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Relaxation training (Standard) such as progressive muscle relaxation, guided imagery, or abdominal breathing, is designed to lower somatic and cognitive arousal states which interfere with sleep. Thisapproachis intended to improve sleep continuity by using sleep restriction to enhance sleep drive. As sleep drive increases and the window of opportunityforsleepremainsrestrictedwithdaytimenappingprohibited,sleepbecomesmoreconsolidated. In addition, the approach is consistent with stimulus control goals in that it minimizes the amount of time spent in bed awake helping to restore the association between bed and sleeping. Sleep hygiene therapy (No recommendation) involves teaching patients about healthy lifestyle practices that improve sleep. It should be used in conjunction with stimulus control, relaxation training, sleep restriction or cognitive therapy. Instructions include, but are not limited to, keeping a regular schedule, having a healthy diet and regular daytime exercise, having a quiet sleep environment,andavoidingnapping,caffeine,otherstimulants,nicotine,alcohol,excessivefluids,orstimulatingactivitiesbeforebedtime. Evidence fortheirefficacywhenusedaloneisrelativelyweak38-42 and no specificagentwithinthisgroupisrecommendedaspreferable to the others in this group. Forexample,trazodone has little or no anticholinergic activity relative to doxepin and amitriptyline, and mirtazapine is associated with weight gain. Note that low-dose sedating antidepressants do not constitute adequate treatment of major depression for individuals with comorbidinsomnia. However,theefficacyoflow-dosetrazodone as a sleep aid in conjunction with another full-dose antidepres- S Schutte-Rodin, L Broch, D Buysse et al Table 12-PharmaceuticalTherapyOptions Drug Non-benzodiazepines cyclopyrrolones eszopiclone 1,2,3mgtablets 2-3mghs 1mghsinelderlyordebilitated;max2mg 1mghsinseverehepaticimpairment;max 2mg 10mghs;max10mg 5mghsinelderly,debilitated,orhepatic impairment 12. Thesemedicationshave been associated with reports of disruptive sleep related behaviors including sleepwalking, eating, driving, and sexual behavior. These studies, of varying qualityanddesign,suggestmoderateefficacyfortrazodonein improving sleep quality and/or duration. It is unclear to what extentthesefindingscanbegeneralizedtootherpresentations of insomnia. A combination of medications from two different classesmayimproveefficacybytargetingmultiplesleep-wake mechanisms while minimizing the toxicity that could occur withhigherdosesofasingleagent. Evidenceofefficacyfor these drugs for the treatment of chronic primary insomnia is insufficient. Avoidanceofoff-labeladministrationofthesedrugs is warranted given the weak level of evidence supporting their efficacyforinsomniawhenusedaloneandthepotentialforsignificantsideeffects. Over-the-counter agents: Antihistamines and antihistamine-analgesic combinations are widely used self-remedies for insomnia. Evidence for their efficacy and safety is very limited,withveryfewavailablestudiesfromthepast10years using contemporary study designs and outcomes. Alcohol, likely the most common insomnia self-treatment, is not recommended because of its short duration of action, adverse effects on sleep, exacerbation of obstructive sleep apnea, and potential for abuse anddependence. Veryfewherbaloralternativetreatmentshave been systematically evaluated for the treatment of insomnia. Of these, the greatest amount of evidence is available regarding valerian extracts and melatonin. Efficacyandsafetydataformost over-the-counter insomnia medications is limited to short-term studies;theirsafetyandefficacyinlong-termtreatmentisunknown. As recommended,alternativetrialsorcombinationsmaybeuseful; however, clinicians should note that if multiple medication trials have proven ultimately ineffective, cognitive behavioral approaches should be pursued in lieu of or as an adjunct to further pharmacological trials. Cautionisadvised regarding polypharmacy, particularly in patients who have not or will not pursue psychological and behavioral treatments. Mode of Administration/Treatment Frequency of administration of hypnotics depends on the specific clinical presentation; empirical data support both nightlyandintermittent(2-5timesperweek)administration. A final strategy sometimes employed in clinicalpracticeis true"as needed"dosing whenthepatients awakensfromsleep. Thisstrategyhasnotbeencarefullyinvestigated, and is not generally recommended due to the potential for carry-over sedation the next morning and the theoretical potential for inducing conditioned arousals in anticipation of a medication dose. Antidepressants and other drugs commonly usedoff-labelfortreatmentofinsomniaalsocarrynospecific restrictions with regard to duration of use. In clinical practice, hypnotic medications are often used over durations of one to twelve months without dosage escalation,52-55 but the empirical data base for long-term treatment remains small. Formanypatients,aninitialtreatmentperiodof2-4weeks may be appropriate, followed by re-evaluation of the continued need for treatment. A subset of patients with severe chronic insomnia may be appropriate candidates for longer-term or chronicmaintenancetreatment,but,asstated,thespecificdefiningcharacteristicsofthesepatientsareunknown. Thereislittle empirical evidence available to guide decisions regarding which drugs to use long-term, either alone or in combination with behavioraltreatments. Thus,guidelinesforlong-termpharmacological treatment need to be based primarily on common clinical practice and consensus. If hypnotic medications are used longterm, regular follow-up visits should be scheduled at least every sixmonthsinordertomonitorefficacy,sideeffects,tolerance, S Schutte-Rodin, L Broch, D Buysse et al and abuse/misuse of medications. Periodic attempts to reduce the frequency and dose in order to minimize side effects and determine the lowest effective dose may be indicated. As noted elsewhere, tapering and discontinuation of hypnotic medication is facilitated by concurrent application of cognitive-behavioral therapies, which increase rates of successful discontinuation and duration of abstinence. However,lowerdosesofall agents (with the exception of ramelteon) may be required in older adults, and the potential for side-effects and drug-drug interactions should be carefully considered. Thetreatment of insomnia comorbid with depression or anxiety disorders shouldfollowthesamegeneraloutlinepresentedabove. However, concurrent treatment with an antidepressant medication atrecommendeddoses,oranefficaciouspsychotherapyforthe comorbidcondition,isrequired. In many cases, this dose will be higher thanthetypicaldoseusedtotreatinsomniaalone. Quetiapine orolanzapinemaybespecificallyusefulinindividualswithbipolar disorder or severe anxiety disorders. In a similar fashion, treatment of insomnia comorbid with a chronic pain disorder should follow the general treatment outline presented above. In some cases, medications such as gabapentin or pregabalin may beappropriatelyusedatanearlierstage. Concurrenttreatment with a longer-acting analgesic medication near bedtime may also be useful, although narcotic analgesics may disrupt sleep continuity in some patients. Furthermore, patients with comorbid insomnia may benefit from behavioral and psychological treatments or combined therapies, in addition to treatment of the associated condition. Thesefacts, however, do not provide the clinician with a clear set of practice standards, particularly when it comes to sequencing or combinationoftherapies. Theliteraturethathasexaminedtheissue of individual pharmacotherapy or cognitive behavioral treatment versus a combination of these approaches demonstrates that short-term pharmacological treatments alone are effective during the course of treatment for chronic insomnia but do not provide sustained improvement following discontinuation,65,66 whereas cognitive behavioral treatments produce significant improvement of chronic insomnia in the short-term, and these improvements appear sustained at follow-up for up to two years. Taken as a whole, these investigations do not demonstrate a clear advantage for combined treatment over cognitive behavioral treatment alone. Buysse has consulted to and/or been on the advisory board of Actelion, Arena, Cephalon, Eli Lilly, GlaxoSmithKline, Merck, Neurocrine,Neurogen,Pfizer,Respironics,Sanofi-Aventis,Sepracor, Servier,SomnusTherapeutics,StressEraser,Takeda,andTransceptPharmaceuticals. Littner M, Hirshkowitz M, Kramer M; Standards of Practice CommitteeoftheAmericanAcademyofSleepMedicine. Practiceparameters for clinical use of the multiple sleep latency test and the maintenanceofwakefulnesstest. Practiceparameters for the psychological and behavioral treatment of insomnia: an update. Practiceparameters for the use of actigraphy in the assessment of sleep and sleep disorders:anupdatefor2007. CharacteristicsofinsomniaintheUnited States: results of the 1991 National Sleep Foundation Survey. Epidemiology of insomnia: prevalence, self-help treatments, consultations,anddeterminantsofhelp-seekingbehaviors. Anefficacy, safety, and dose-response study of Ramelteon in patients with chronicprimaryinsomnia. Doxepininthetreatment of primary insomnia: a placebo-controlled, double-blind, polysomnographicstudy. Comparativeeffectsofmirtazapineandfluoxetine on sleep physiology measures with major depression and insomnia. The efficacy and safety of exogenous melatonin for primary sleep disorders: a meta-analysis.
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C the diagnosis of acute sinusitis is generally made on the basis of history and physical examination. As previously stated, the term rhinosinusitis has been suggested in part to reflect this confusion. The possibility of sinusitis can also be confirmed by imaging patients with atypical presentations (eg, a child with refractory conjunctivitis or a patient with acute severe eye or occipital pain). A-mode ultrasonography is a safe, rapid, and noninvasive technique for evaluating the maxillary and frontal sinuses. Unfortunately, several studies comparing ultrasonography with radiographic techniques (as the gold standard) suggest that the sensitivity and specificity of ultrasonography is poor, ranging from 39% to 61% and 42% to 53%, respectively. Caldwell (anterior-posterior) and Waters (occipito-mental) standard radiographs demonstrate the frontal and maxillary sinuses, respectively. The fine bony anatomy of the ethmoid sinuses is not well seen on any standard radiographs because of problems of normal structural superimposition. Although other sinuses might also be involved, acute sinusitis commonly involves the maxillary sinuses. Accordingly, a single Waters view is a viable diagnostic substitute for a 4-view sinus series in many patients. It is generally believed that mild-to-moderate mucosal thickening is a nonspecific finding. Standard radiographs are of limited value in the evaluation of chronic sinusitis; they are also inadequate for clarifying the need for endoscopic surgery and the precise areas that need surgical attention. Coronal scans provide a road map for surgery, best demonstrating the ostiomeatal drainage areas and intricate relationships between the brain, fovea ethmoidalis, and ethmoid sinuses. However, increasingly, surgeons are using computer-assisted surgical navigation, particularly in revision or other cases of complicated anatomy. Computer-assisted surgical navigation requires axial scans with scanning parameters specific for the computer device used, as well as standard coronal views. This typically takes only 15 to 20 minutes and provides much better high-resolution bone and soft tissue detail, including the ethmoids (which are poorly visualized on any standard radiograph). This is particularly crucial when the ostiomeatal complex and ethmoids are involved. Classic findings for fungal disease are a combination of unilateral lesions of one or more sinuses, nodular mucoperiosteal thickening, focal areas of bone destruction, and/or dense intrasinus concretions. T2-weighted image intensity is useful: high signal with bacterial and viral inflammation, intermediate bright signal with neoplastic processes (eg, squamous cell carcinoma), and very low signal with fungal concretions, similar to that of air. C Summary Statement 31: Nasal-sinus biopsy is useful in several clinical situations: determining whether a lesion is neoplastic and, if so, its nature; confirming the presence of fungal disease; confirming the presence of granulomatous disease; and determining the ultrastructure of cilia. C Laboratory tests might provide additional diagnostic information in patients with acute or chronic sinusitis. Nasal cytology can provide data that support or refute the clinical diagnosis of acute infectious sinusitis; results might suggest the presence of underlying disease (eg, eosinophilic rhinitis). Antral puncture and endoscopically obtained culture were discussed in the ``Microbiology' section. Nasal-sinus biopsy is useful in suspected cases of neoplasia, fungal disease, or granulomatous disease; this technique is also used in patients with ciliary dysmotility to define the ultrastructural nature of the defect. Nasal cytology demonstrates the type of cellular inflammation in patients with acute or chronic sinusitis. This can provide useful adjunctive information to the clinical history and examination with regard to likely infection or associated eosinophilic disease. Samples can be obtained by having the patient blow secretions into transparent plastic wrap or by the use of a cytology brush or Rhinoprobe (Synbiotics Corp, San Diego, Calif). Samples collected by means of the blowing technique often contain less cellular material but are still useful for detecting eosinophils and neutrophils. Additional stains (eg, Papanicolaou, hematoxylin and eosin, acidified toluidine blue, or May-Grunwald-Giemsa) might be used to identify other elements, including mast cells, basophils, neutrophils, nonciliated epithelial cells, squamous cells, or even pollens or mold spores. Nasal-sinus biopsy should be considered to aid in the diagnosis of nasal or paranasal lesions that obstruct sinus cavities and give rise to chronic or recurrent sinus disease. Clinical reasons to obtain a biopsy are (1) to determine whether a lesion is neoplastic and, if so, to clarify the nature of the neoplasm; (2) to confirm the presence of suspected invasive fungal disease; (3) to confirm the presence of granulomatous disease when the diagnosis is unclear on the basis of clinical or radiographic grounds; and (4) to provide an initial evaluation of the ultrastructure of cilia in patients with known or suspected ciliary dysfunction. In the presence of chronic inflammation, a tracheal biopsy is typically required for confirmation. Early signs of sinus neoplasia are nonspecific and include nasal obstruction, anosmia, rhinorrhea, and pain. The most common tumor is an inverted papilloma, which is characterized by a polypoid appearance and unilateral location seen on both physical examination and imaging. Tumors within the nose or sinuses are histologically diverse and both benign and malignant. Generally, a specific diagnosis is not reliable on the basis of clinical or radiographic findings, making a tissue biopsy invaluable. Diagnosis is made on the basis of finding a vascular posterior nasal or nasopharyngeal mass in an adolescent or preadolescent male. Fungal infection produced by phycomycetes (Absidia, Mucor, and Rhizopus species) can progress from the sinuses to the central nervous system and is potentially fatal. Patients with fulminant invasive fungal sinusitis often present with fever, which rapidly progresses to facial pain, proptosis, ophthalmoplegia, and/or facial necrosis. Late radiographic findings can include sinus opacification, mucoperiosteal thickening, bone erosion, and cavernous sinus thrombosis. Suspicious lesions should be biopsied immediately, with the sample sent for fungal staining and culture. Sinusitis can be associated with several granulomatous diseases, both infectious and noninfectious. Sarcoidosis is by far the most common of these disorders identified within the United States. When such lesions are apparent, biopsy should be obtained to exclude neoplasia, and special staining and cultures should be done for mycobacteria and fungi. When ciliary dysfunction is suspected in patients (eg, with recurrent or persistent infectious disease in the absence of underlying rhinitis, anatomic defects, or immunodeficiency), biopsy should be considered for ultrastructural analysis. Reported results include the type of defect (dynein defects are most specific), the percentage of cilia having the defect, the distribution of the defect (bronchial versus nasal if both areas are assessed), and the number of cilia present. The role of nasopharyngeal culture in the diagnosis of acute sinusitis remains controversial. In the past, studies have suggested a poor correlation between the presence of nasal bacteria and the likelihood of active bacterial sinusitis; even in patients with cultureproved sinusitis, the bacteria present in the sinus was different from bacteria in the nasophayrnx. More recently, it has been suggested that the presence of pathogenic organisms (S pneumoniae, H influenzae, or M catarrhalis) in the nasopharynx of patients presenting with upper respiratory tract infection symptoms might define patients more likely to have bacterial disease. In general, these tests were not sensitive indicators of disease or specific cause (82% of test results were normal). Increased C-reactive protein (>40 mg/L) was associated with likely infection with Streptococcus pyogenes or S pneumoniae, a fact that could influence choice and duration of therapy. Viral sinusitis appears to resolve within 21 days without the need for antibiotics. B Summary Statement 34: There is minimal evidence that viruses play a role in chronic sinusitis. B the average child in the United States has 3 to 8 viral upper respiratory tract infections per year; the average adult has 2 to 3 such infections. Thus a number of patients with chronic sinusitis might have had a predisposing viral infection. B Summary Statement 36: Patients with recurrent or chronic sinusitis should be evaluated for the presence of underlying allergy. The incidence is estimated at 10% to 14% of the population at any time, with a cumulative prevalence ranging up to 20%. Obstructed sinuses partially fill with secretions, use trapped oxygen, and become acidotic, leading to even more impaired mucociliary function and impaction of secretions. Bacteria, either already in the sinuses or gaining access because of abnormal ciliary flow, multiply, infecting the mucosal lining. Subsequent inflammatory responses in the epithelium lead to an influx of granulocytes, with swelling and pain from the mucosa and thickened secretions. In one additional study, 43% of acute sinusitis was noted to be seasonal, the cause of which was thought to be allergic.
- Cerebral calcification cerebellar hypoplasia
- Arginase deficiency
- Arthrogryposis multiplex congenita, distal type 2
- Congenital brain disorder
- Biemond syndrome
- Anophthalmia microcephaly hypogonadism
- Pericardial defect diaphragmatic hernia
- Familial ventricular tachycardia
- 3 alpha methylcrotonyl-coa carboxylase 2 deficiency, rare (NIH)
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In 1937 an electroencephalograph was used for the first time to observe the electrical activity in the brain during nonrapid eye movement sleep (Loomis et al. The culmination of this work came in 1957 when Dement and Kleitman defined the stages of sleep (see Chapter 2 of this report) (Dement and Kleitman, 1957). In 1989, a seminal study demonstrated that rats that were subjected to total sleep deprivation developed skin lesions, experienced weight loss in spite of increased food intake, developed bacterial infections, and died within 2 to 3 weeks (Rechtschaffen et al. The field is maturing into an interdisciplinary field in which integration and coordination across the traditional medical specialties, other health care providers. Sleep laboratories dedicated to the evaluation and management of sleep disorders have been established. In 1970, sleep disorders were evaluated at only a handful of sleep laboratories in the world. In 2001, there were close to 1,300 sleep laboratories in the United States (Tachibana et al. Membership in the American Academy of Sleep Medicine and the Sleep Research Society and participation at the annual meeting of the American Professional Sleep Societies has continued to increase. In 2005 sleep medicine was recognized as a medical subspecialty by the Accreditation Council for Graduate Medical Education and the American Board of Medical Specialties. For example, it has recently been recognized that restless legs syndrome (National Institute of Neurological Disorders and Stroke) and sleep apnea (National Heart, Lung, and Blood Institute) may be a major cause of attention deficit hyperactivity disorder (National Institute of Child Health and Human Development, National Institute of Mental Health) and other behavioral problems (Chervin et al. These terms and others fail to describe the full extent of the study and practice of somnology and sleep medicine. In response to this and the emergence of the clinical and research field, this committee believes that an enhanced vocabulary would be helpful to describe the study of sleep and circadian rhythms. Therefore, throughout this report the committee will use the terms somnology and sleep medicine. Sleep medicine: Sleep medicine is a branch of clinical medicine devoted to the diagnosis and treatment of individuals suffering from chronic sleep loss or sleep disorders. Insomnia is typically treated using behavioral therapy techniques (Office of Behavioral and Social Sciences Research) and is often comorbid with depression, eating disorders, and other mental disorders (National Institute of Mental Health). Drugs of abuse, including alcohol and stimulants (National Institute on Drug Abuse, National Institute on Alcohol Abuse and Alcoholism), have major effects on sleep and are often used to treat underlying sleep problems such as insomnia or narcolepsy. Sleep apnea research and therapy cuts across a number of disciplines, including nursing (National Institute of Nursing Research), dentistry and otolaryngology (National Institute of Dental and Craniofacial Research), surgery, neurology (National Institute of Neurological Disorders and Stroke), cardiology, and pulmonary medicine (National Heart, Lung, and Blood Institute). This presents an even greater challenge for a field that requires growth in its scientific workforce and technology. The growth of the discipline in terms of clinical volume has not been reflected in a corresponding increase in the number of clinical and basic sleep researchers. In the spring of 2005 there were 781 American members of the Sleep Research Society, a number representing the majority of individuals performing sleep-related research. There are 151 researchers involved primarily in clinical sleep research, and 126 focus primarily on basic research projects. Over the same period, the number of academic institutions receiving sleep-related career development awards also decreased. Therefore, creating an infrastructure to develop a workforce capable of meeting the clinical and scientific demand remains a major challenge. The percentage of medical schools that include sleep disorders in their curriculums has risen modestly from 54 percent in 1978 (Orr et al. Similar analysis has not recently been performed, but there is no evidence to suggest that medical schools are placing increased emphasis on sleep-related content in their curriculums. Clearly, the educational effort is still inadequate given the magnitude of the morbid effects that sleep loss and sleep disorders have on the most common diseases. In response to this perceived shortcoming in sleep education, the National Heart, Lung, and Blood Institute supported a series of grants (K07 funding mechanism) to develop model medical school curricula. Although this program generated a large number of resources, it is unclear how many of them have been used and implemented. Despite these advances, physician education regarding the recognition, diagnosis, management, and treatment of sleep disorders is still inadequate (Strohl et al. To strengthen the interdisciplinary aspects of the field it is important to attract new investigators to the field and expand the number of trained somnology scientists in other relevant and related disciplines. Distribution of Resources and Technology Development Today, the capacity needed to serve the population seeking diagnosis and treatment is inadequate. Analysis commissioned on behalf of the committee indicated that in many health care systems and communities, the waiting time for a polysomnogram, the procedure used to diagnose many sleep disorders, may be as much as 10 weeks (see Chapter 9). This shortfall will worsen as awareness of the clinical consequences and public health burden of sleep disorders increases. A substantial investment is needed to enlarge the clinical and research workforce and improve the technology for diagnosis and treatment. Further, there is a need for improved treatments for individuals with chronic sleep loss and sleep disorders. For example, the most common treatment for sleep apnea, continuous positive airway pressure therapy, which requires an individual to wear a mask over the face while sleeping, has a low rate of compliance, between 45 to 70 percent (Kribbs et al. There are approximately 1,300 sleep laboratories in the United States, 39 percent of which are accredited by the American Academy of Sleep Medicine (Tachibana et al. However, millions of individuals suffering from sleep disorders remain undiagnosed and untreated (Young et al. The utilization and capacity of sleep laboratories is not distributed based on the prevalence of sleep disorders (Tachibana et al. Apart from creating new sleep centers and laboratories, developing and validating reliable portable diagnostic technologies is required to meet the demand that will arise from greater awareness among the general public (see Chapter 6). Somnology and Sleep Medicine Is an Interdisciplinary Field the field of Somnology and Sleep Medicine is an emerging interdisciplinary field that is being forged from several existing sciences and medical specialties. However, the current organization of academic health centers houses clinicians and scientists in discrete departments that do not favor interdisciplinary research efforts. Although the scientific enterprise of the field requires interdisciplinary strategies, the clinical service of patients is multidisciplinary and requires linkages to other medical specialties. As described in the National Academy of Sciences (2004) report Facilitating Interdisciplinary Research: Interdisciplinary research is a mode of research performed by teams or individuals that integrates information, data, techniques, tools, perspectives, concepts, and/or theories from two or more disciplines or bodies of specialized knowledge to advance fundamental understanding or to solve problems whose solutions are beyond the scope of a single discipline or field of research practice (Figure 1-1A). Multidisciplinary research is taken to mean research that involves more than a single discipline in which each discipline makes a separate contribution. Some are solely clinical in nature; others are clinical programs that include training of physicians and some research. There are also a limited number of comprehensive programs that emphasize clinical care education and training, as well as basic and clinical research. With few exceptions most programs continue to be not integrated and embedded in medical departments. B) Multidisciplinary A A Disciplines joined together to work on a common question or problem, split apart when work is complete, having likely gained new knowledge, insight, strategies from other disciplines. Sleep Loss and Sleep Disorders Require Long-Term Patient Care and Chronic Disease Management Sleep disorders are chronic conditions necessitating complex treatments. Despite the importance of early recognition and treatment, the primary focus of most existing sleep centers is on diagnosis, rather than on comprehensive care of sleep loss and sleep disorders as chronic conditions. The narrow focus of sleep centers may largely be the unintended result of accreditation criteria, which emphasize diagnostic standards and reimbursement for the diagnostic testing (see Chapter 9). However, advances will require an organized strategy to increase and coordinate efforts in training and educating the public, researchers, and clinicians, as well as improved infrastructure and funding for this endeavor. The committee met five times during the course of its work and held two workshops that provided input on the current public health burden of sleep loss and chronic sleep disorders and the organization and operation of various types of academic sleep programs. Chapter 2 of this report describes the basic biology and physiology of sleep and circadian rhythms. Chapter 5 provides an overview of the barriers to providing optimal patient care, including the lack of public and professional education.
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Treatment Folliculitis, widespread/ severe Large furuncles (boils) and carbuncles 500mg every 6 hours 500mg every 6 hours Erysipelas 500mg every 8 hours 500mg every 6 hours Cellulitis nonfacial facial flucloxacillin co-amoxiclav 500mg every 6 hours 500/125mg every 8 hours Table 2. Oral antibiotic management for common bacterial skin conditions 18 Prescriber 19 August 2006 Topical antibiotics Fusidic acid is active against most Gram-positive bacteria, but is particularly active against staphylococci. Fusidic acid is used topically on skin as a 2 per cent preparation and is generally without significant side-effects, although rarely hypersensitivity reactions may occur. Mupirocin, a fermentation product of Pseudomonas fluorescens, has a broad spectrum of activity and is highly active against both staphylococci and streptococci. Mupirocin is available as a 2 per cent topical preparation and is generally well tolerated, although it may sting. The ointment base contains polyethylene glycol, which if absorbed from damaged skin may be nephrotoxic, and the manufacturer advises caution in renal impairment. Properties of oral antibiotics used in bacterial skin infections Oral antibiotics Amoxicillin As with other beta-lactam antibiotics, amoxicillin exerts its antibacterial effect by interfering with bacterial cell wall synthesis, targeting cell wall-synthesising enzymes, known as penicillin-binding proteins. The relatively low toxicity of penicillins is attributed to the absence of penicillin-binding proteins in mammalian cells. The pharmacokinetic profile of amoxicillin, in particular its reliable oral absorption, makes it a suitable oral penicillin against streptococcal skin infections and, in combination with an antistaphylococcal agent, for treatment of mixed infections. Potential side-effects of amoxicillin include nausea, vomiting and diarrhoea, as well as adverse reactions resulting from hypersensitivity. The most common manifestation of hypersensitivity is skin rash, which is estimated to occur in 1-7 per cent of cases. Flucloxacillin is a semi-synthetic penicillin that is stable to the penicillin-degrading enzyme produced by Staph. The spectrum of its activity is primarily Gram-positive, being active against staphylococci and beta-haemolytic streptococci, although it is less active against the latter than penicillin. Flucloxacillin is well absorbed and the principal side-effects are those of the penicillin group as described for amoxicillin above. Infections with these resistant isolates are still primarily encountered in patients with a prior history of 20 Prescriber 19 August 2006 hospitalisation, other significant healthcare institution exposure or repeated courses of prior antibiotic therapy. The number of reports of infections in patients without such risk factors is also increasing, however. Er ythromycin belongs to the macrolide class of antibiotics unrelated to penicillins. The side-effects most commonly encountered following er ythromycin administration are gastrointestinal, including nausea, vomiting and diarrhoea, or skin reactions including urticaria and rash. Cefradine and cefalexin are group 2 cephalosporins that are active against staphylococci and streptococci. They may by used as alternatives to penicillins in the treatment of staphylococcal and streptococcal skin infections in patients allergic to penicillin. This is provided there has not been a severe reaction or anaphylaxis to penicillin: it is estimated that between 3 and 9 per cent of patients allergic to penicillin are cross-allergic to cephalosporins. Other principal side-effects are gastrointestinal, including diarrhoea, nausea, vomiting and abdominal discomfort. In most cases primary infections are mild to moderate in severity and may be managed with either topical or oral antibiotic therapy. Oral antibiotics, principally beta-lactams and macrolides, are generally of low toxicity and well tolerated. Continued surveillance of resistance patterns among bacterial skin pathogens is needed, together with monitoring for clinical failures associated with such resistance. Recent Findings Emerging pathogens include Mycobacterium chimaera and drug-resistant subspecies of Mycobacterium abscessus. Discovery of novel effective agents and/or drug combinations with greater likelihood of cure, shorter treatment duration, and fewer side effects are research priorities. A few species, including Mycobacterium haemophilum and Mycobacterium ulcerans, are rarely isolated from the environment , but this fact may reflect special growth requirements (M. Antibodies against lipoarabinomannan, a glycolipid abundant in the cell wall of mycobacteria, are detected in increasing numbers of healthy children after the age of 1 . In one survey, 33% of adults showed evidence of prior, presumably subclinical, infection with M. In children, lymphadenitis is the most common disease manifestation and comprises 75 to 85% percent of total infections [11, 12]. Disseminated disease involving the blood, central nervous system, or other dispersed sites can occur, particularly for more virulent species, such as M. Skin and soft tissue infections are the most common presentation for the rapid-growing species Mycobacterium fortuitum, M. Clinically, lesions may appear as papules, pustules, nodules, abscesses, panniculitis, folliculitis, or plaques. Infection may present with a "sporotrichoid" pattern of spread, tracking along subcutaneous lymphatics from the site of inoculation proximally. Finally, skin involvement may result from hematogenous dissemination in immune-compromised hosts . Mycobacteria elaborate a lipid-rich, waxy cell wall that functions as a hydrophobic biofilm and allows organisms to adhere to hard surfaces, including pipes, drains, and tubing. Clustered cases have also been reported from non-hospital settings, including tattoo parlors (M. For most species, there are no standard regimens and our understanding of the role of antibiotic susceptibility testing is incomplete . Finally, a study from Singapore reported eight cases of skin and soft tissue infection, five with M. However, since 2015, this species has been identified in nosocomial outbreaks of surgical site infections. The aerosol-dispersion mechanism has been proven using smoke tests, sedimentation plates, and particle counters. Extracorporeal membrane oxygenation machines may also become colonized, although none so far have been implicated in this outbreak, perhaps due to their airtight, closed-system construction . However, the absence of this observed trend may reflect inadequate data collection [12, 90]. Skin infections comprise a higher proportion of cases in countries such as Australia, where M. In contrast, two other studies of 28 inpatient children in Australia reported that M. Prosthetic material is a significant risk factor for deep or disseminated infection and poor outcomes. Signs and symptoms are often vague, but may include fatigue (90%), fever (75%), sweats (60%), dyspnea (60%), weight loss (60%), and cough (50%) . Histopathological samples are frequently negative on acid-fast staining; granulomatous changes in such samples have led to misdiagnosis with sarcoidosis. Macrolide, rifamycin, and ethambutol form the backbone of therapy, often with the addition of moxifloxacin or amikacin.
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Subclinical pancreatic involvement is rather common, with hyperamylasemia found in approximately 25% of patients. In patients with gastritis, helicobacter pylori infection should be sought because of its association with gastric mucosa-associated lymphoid tissue lymphomas18. These features appear early in the International Journal of Pharmaceutical Sciences Review and Research Available online at Persistent parotid gland enlargement, purpura, leukopenia, cryoglobulinemia, and low C4 complement levels are clinical manifestations that should raise the suspicion of lymphoma development. Most lymphomas are extranodal and low grade and are often detected incidentally upon the evaluation of labial biopsy. Poor prognostic factors include the presence of "B" symptoms, lymph node size >7 cm, and high or intermediate histologic grade. However, hand radiographs of these patients may show small soft tissue calcifications. Interstitial nephritis is usually an early feature and is characterized by an interstitial lymphocytic infiltration. Cryoglobulinemia, associated with hypocomplementemia, is a consistent serologic finding in these patients. Uncommon cases of systemic vasculitis with visceral involvement affecting kidneys, lungs, gastrointestinal tract, spleen, breasts, and reproductive tract have been described. Flat purpura is usually seen in patients with hypergammaglobulinemia, whereas palpable purpura is a manifestation of dermal vasculitis19,20. The occurrence of central nervous system and spinal cord involvement in Sjogren syndrome is estimated by various studies at 8-40%, with manifestations including myelopathy, optic neuropathy, seizures, cognitive dysfunction, and encephalopathy21,24,25. Sensory, motor, or sensorimotor peripheral neuropathy, often subclinical, can be detected in up to 55% of unselected 22 patients with Sjogren syndrome. Cranial neuropathies can develop particularly trigeminal neuropathy or facial nerve palsy. Progressive weakness and paralysis secondary to hypokalemia due to underlying renal tubular acidosis can occur and is potentially treatable23. Other manifestations Anti-thyroid antibodies and abnormal thyroid-harmone stimulation tests are common, but clinically overt autoimmune thyroditis is not frequent. Fertility, parity and sexual activity are not affected apparently, whereas insufficient vaginal lubrication causing dyspareunia appears to be correlated with atrophic vaginitis and perivacular infiltration. Elevated erythrocyte sedimentation rate is detected in approximately 70% of the patients. The sensitivity and specificity of the diagnostic criteria exhibited good discrimination between patients and controls. Lip Biopsy Lip biopsy confirms lymphocytic infiltration of the minor salivary glands. However, the lymphocytic foci are not present in all minor salivary glands, and multiple glands should be 5 examined to secure an accurate diagnosis. This is the most accurate test available, though it is not essential for the diagnosis. The collection of saliva from a single gland (generally the parotid) is usually not performed. When the lip biopsy proves inconclusive, sialometry and the presence of circulating auto-antibodies may provide the key to diagnosis5. These antibodies concentrate in the nucleoplasm and cytoplasm of the acinar cells, with a diffuse or perinuclear distribution, and their presence is associated to prolonged duration of the disease, recurrent parotid gland enlargement, and florid extraglandular symptoms. Evaluation of Xerostomia Various tests of salivary gland function have been developed. These include direct measurement of salivary flow (sialometry), radiocontrast assessment of salivary ductal system (sialography), and functional evaluation of therate and density of salivary gland uptake of 99Tcmpertechnetate (scintigraphic isotope scanning). These tests are primarily used in clinical trials, rarely to confirm the diagnosis in routine clinical practice. Rose Bengal Staining Rose bengal is an aniline compound that stains the devitalized or damaged epithelium of both the cornea and conjunctiva. Tear Break-up Time: A drop of fluoroscein is instilled into the eye, and the time between the last blink and appearance of dark, nonfluorescent areas in the tear film is measured. An overly rapid break-up of the tear film indicates an abnormality of either the mucin or the lipid layer. Treat of Sicca Symptoms A preventive measure for sicca manifestations is very important. Lubrication of dry eyes with artificial tear drops and ocular ointments should be done as often as necessary, even hourly if required. A variety of commercially available preparations differ primarily in viscosity and type of preservative. Patients usually test several different preparations to determine which is most suitable for their individual needs. Bicarbonate-buffered electrolyte solutions, which mimic the electrolyte composition of human tears, have shown promising results. Avoidance of windy and/or low humidity indoor and outdoor environments is helpful. Cigarette smoking and drugs with anticholinergic side effects such as phenothiazines, tricyclic antidepressants, antispasmodics, and anti-Parkinsonian agents should be avoided. When corneal opacification or perforation occurs, corneal transplantation is recommended. No single method is consistently effective, and most efforts are aimed only at palliation. Various artificial saliva preparations are available, but they tend to be not highly liked by patients. Conscientious oral hygiene after meals is a prerequisite for prevention of dental disease. Topical treatment with stannous fluoride enhances dental mineralization and retards damage to tooth surfaces. In cases of rapidly progressive dental disease, the fluoride can be directly applied to the teeth from plastic trays that are used at night. These agents stimulate the M1 and M3 muscarinic receptors present on salivary glands, leading to increased secretory function (9). Increased salivary flow rate can occur within 15 minutes of oral-dose pilocarpine hydrochloride 5 mg (generally administered four times daily) and can last for at least 4 hours6. Cevimeline (30 mg three times daily) has also been shown also to increase the salivary flow10. Pilocarpine and cevimeline can cause transient hemodynamic changes and arrhythmias and should be used with caution in patients with cardiovascular disease. Side effects such as flushing, headache, and sweating are uncomfortable but usually mild. But when used for many months or years, they may become less effective and also cause serious side effects. Side effects may include easy bruising, thinning of bones, cataracts, weight gain, a round face, diabetes and high blood pressure. Hydroxychloroquine (Plaquenil): this antimalarial drug may be useful if the patient have inflamed joints, as with rheumatoid arthritis. Common side effects may include excessive sweating, nausea, and a runny or stuffy nose. Immunosuppressant: these medications, such as cyclophosphamide (Cytoxan), methotrexate (Rheumatrex), mycophenolate (CellCept) and azathioprine (Imuran), suppress the immune system11. The duration of corticosteroid and/or immunosuppressive therapy is dictated by the severity of the disease manifestation. Typically, corticosteroid tapers are not initiated until control of the acute problem is achieved and then are conducted gradually over weeks to months with careful monitoring for disease relapses. When immunosuppressants are required, they are usually Page 97 International Journal of Pharmaceutical Sciences Review and Research Available online at
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Use of dietary supplements and their interactions with prescription drugs in the elderly. Ginkgo + Benzodiazepines Ginkgo does not significantly affect the pharmacokinetics of alprazolam. Studies with midazolam suggest that ginkgo may increase, decrease or have no effect on its metabolism. Clinical evidence (a) Alprazolam Ginkgo leaf extract 120 mg twice daily for 16 days was given to 12 healthy subjects before and with a single 2-mg dose of alprazolam on day 14. The ginkgo preparation (Ginkgold) was standardised to ginkgo flavonol glycosides 24% and terpene lactones 6%. The ginkgo preparation used was stated to contain 24% flavone glycosides and 6% terpene lactones. The ginkgo preparation was assayed, and contained 29% flavonol glycosides and 5% terpene lactones. The ginkgo preparation used was Ginkgold, which was stated to contain 24% flavone glycosides and 6% terpene lactones. Importance and management the pharmacokinetic evidence here shows that alprazolam and midazolam levels are not significantly affected by ginkgo, and no clinically relevant interaction would be expected. The conflicting finding of the metabolism of midazolam being slightly inhibited in one study and slightly induced in another is, however, unexplained, but either effect would be modest at the most. The clinical relevance of the possible interaction of ginkgo with diazepam in rats is unknown. Multiple-dose administration of Ginkgo biloba did not affect cytochrome P-450 2D6 or 3A4 activity in normal volunteers. Effect of Ginkgo biloba extract on lopinavir, midazolam and fexofenadine pharmacokinetics in healthy subjects. Ginkgo + Calcium-channel blockers; Diltiazem the interaction between ginkgo and diltiazem is based on experimental evidence only. Ginkgo 20 mg/kg had no significant effect on the levels of intravenous diltiazem 3 mg/kg. Because the findings of animal studies cannot be directly extrapolated to humans, further study is needed before any specific recommendations can be made. Until more is known, bear the possibility of an interaction in mind in the event of an unexpected response to treatment. Ohnishi N, Kusuhara M, Yoshioka M, Kuroda K, Soga A, Nishikawa F, Koishi T, Nakagawa M, Hori S, Matsumoto T, Yamashita M, Ohta S, Takara K, Yokoyama T. Effects of Ginkgo biloba leaf extract on the pharmacokinetics of diltiazem in rats. G Ginkgo + Caffeine Ginkgo does not appear to affect the pharmacokinetics of caffeine. Clinical evidence In 12 healthy subjects, ginkgo 60 mg four times daily for 28 days did not affect the metabolism of caffeine 100 mg. Importance and management Evidence from studies in healthy subjects suggests that ginkgo does not affect the metabolism of caffeine and is therefore unlikely to increase its adverse effects. Importance and management Limited clinical data suggest that ginkgo may raise the levels of nifedipine and increase its effects. Monitor for signs of nifedipine adverse effects such as headaches, hot flushes, dizziness and palpitations. Yoshioka M, Ohnishi N, Koishi T, Obata Y, Nakagawa M, Matsumoto T, Tagagi K, Takara K, Ohkuni T, Yokoyama T, Kuroda K. Studies on interactions between functional foods or dietary supplements and medicines. Effects of Ginkgo biloba leaf extract on the pharmacokinetics and pharmacodynamics of nifedipine in healthy volunteers. Effects of Ginkgo biloba leaf extract on the pharmacokinetics of nifedipine in rats. Because of this, and because the doses used were higher than those used in humans, the animal data here are unlikely to be of general clinical importance. Shinozuka K, Umegaki K, Kubota Y, Tanaka N, Mizuno H, Yamauchi J, Nakamura K, Kunitomo M. Ginkgo + Chlorzoxazone Ginkgo does not appear to affect the pharmacokinetics of chlorzoxazone. Evidence, mechanism, importance and management In a study in 12 healthy subjects, ginkgo 60 mg four times daily for 28 days did not significantly affect the metabolism of chlorzoxazone 500 mg. The ginkgo preparation used was standardised to 24% flavone glycosides and 6% terpene lactones. Ginkgo + Calcium-channel blockers; Nifedipine G Ginkgo may increase the levels and some of the effects of nifedipine. Clinical evidence In the preliminary report of a clinical study, 22 healthy subjects were given ginkgo 120 mg daily for 18 days before a single 10-mg oral dose of nifedipine. However, the maximum level tended to increase (30% increase), and two subjects experienced a doubling of nifedipine maximum serum levels. In addition, the incidence and severity of headaches, hot flushes and dizziness tended to be higher with the combination when compared with nifedipine alone. Subjects also experienced increased heart rate with the combination although the decrease in blood pressure was unaffected. Mechanism Experimental data3 have found that ginkgo has no significant effect on the pharmacokinetics of intravenous nifedipine, suggesting that ginkgo reduces the first-pass metabolism of nifedipine. Ginkgo Importance and management the evidence for an interaction between ginkgo and ciclosporin is limited to one study in rats. However, ginkgo contains flavonoids, and of these quercetin has been implicated in modest interactions with ciclosporin in other studies (see Flavonoids + Ciclosporin, page 190 for more information). On this basis, while there is insufficient evidence to suggest that concurrent use should be avoided, there is the possibility that ginkgo may make ciclosporin levels less stable as the quercetin content of different preparations is likely to vary. Clinical evidence A study in 8 healthy subjects found that ginkgo leaf extract 80 mg three times daily had no significant effects on the pharmacokinetics of a single 500-microgram dose of digoxin. Importance and management the clinical study suggests that ginkgo is unlikely to alter digoxin levels in clinical use. Therefore no dosage adjustment would be expected to be necessary if patients taking digoxin also wish to take ginkgo. As digoxin is used as a probe substrate for P-glycoprotein, this study also suggests that ginkgo is unlikely to interact with other drugs that are substrates of P-glycoprotein. Ginkgo + Dextromethorphan Ginkgo does not appear to affect the metabolism of dextromethorphan. Clinical evidence Ginkgo leaf extract 120 mg twice daily for 16 days was given to 12 healthy subjects with a single 30-mg dose of dextromethorphan on day 14. The ginkgo preparation (Ginkgold) contained ginkgo flavonol glycosides 24% and terpene lactones 6%. There was no change in the metabolism of dextromethorphan when it was taken after the ginkgo. Importance and management the available evidence seems to reliably suggest that ginkgo does not affect the pharmacokinetics of dextromethorphan. G Ginkgo + Donepezil Ginkgo does not appear to alter the pharmacokinetics or effects of donepezil. Concurrent use did not affect the pharmacokinetics or cholinesterase activity of donepezil, and cognitive function appeared to be unchanged. The effects of Ginkgo biloba extracts on the pharmacokinetics and pharmacodynamics of donepezil. Ginkgo + Fexofenadine Ginkgo does not appear to affect the pharmacokinetics of fexofenadine. Evidence, mechanism, importance and management In a clinical study, 13 healthy subjects took a single oral dose of fexofenadine 120 mg after 4 weeks of twice-daily doses of ginkgo 120 mg containing 29% flavonol glycosides and 5% terpene lactones. Over the next couple of days she exhibited a variety of psychotic symptoms including paranoid delusions, disorganised behaviour, anxiety and auditory hallucinations. Her blood-alcohol level was zero on admission and there was no evidence of alcohol withdrawal during her stay in hospital. Fexofenadine is a P-glycoprotein substrate and the findings of this study therefore suggest that ginkgo does not affect P-glycoprotein activity. These factors make it difficult to find the exact cause of the psychotic symptoms. Importance and management this appears to be the only case report in the literature and, because of the multiple factors involved, such as a history of alcohol abuse, it is difficult to assess its general importance. Bear this interaction in mind in case of an adverse response to the combination of ginkgo and valerian.
N-Acetyl L-Tyrosine (Tyrosine). Fluticasone.
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- Treating phenylketonuria (PKU), a condition in which people cannot make tyrosine from phenylalanine.
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The Journal of Neuroscience, 2 July 2014, 34(27): 9124-9133 Michel Panisset and Sylvain Chouinard. Neck circumference: Referring physician: Family physician: What is your primary problem with sleep? Have you ever been told you make unusual movements such as talking, swinging arms about, acting out dreams, etc. Weight at age 20 Lbs Weight at age 30 Lbs Weight at age 40 Lbs Weight at age 50 Lbs Weight at age 60 Lbs Heaviest weight Lbs, age q No If you have gained weight, do you feel sleepiness is associated with weight gain? Check any of the following behaviors that you have observed the patient doing while asleep. Include a description of the activity, the time during the night when it occurs, frequency during the night and whether it occurs every night. Even if you have not done some of these things recently, try to work out how they would have affected you. Please describe an incident when you fell asleep during the day when you were not expected to fall asleep. Laughter, anger, athletic activity, excitement are the usual factors that initiate an attack of cataplexy. Do you hear or see something in the beginning or last part of sleep that is not real? Do you experience "creepy crawling" and/or aching feeling in your legs which make your want to move them? Any other neurologic disorder Yes No p. Medications: Allergies to Any Medications: 7. If yes, please describe: 11. After reading each group of statements carefully, circle the number (0, 1, 2, or 3) next to the one statement that best describes the way you have been feeling the past week, including today. I feel that there are permanent changes in my appearance that make me look unattractive. I am worried about physical problems such as aches and pains, or upset stomach, or constipation. I am so worried about my physical problems that I cannot think about anything else. On such occasions, the instructions are to be followed afterward when you intend to go to sleep. If you find yourself unable to fall asleep within about 15-20 minutes, get up and go into another room. Since I do not want you to watch the clock, just estimate how long you have been lying awake. Return to bed intending to go to sleep only when you are very sleepy, or after a predetermined amount of time ( ). While out of bed during the night, you can engage in quiet, sedentary activities. If you return to bed but still cannot fall asleep within 15-20 minutes, repeat step 2. Set your alarm and get up at the same time every morning, regardless of how much sleep you got during the night. In elderly, scheduling a nap might be beneficial, but try to limit to 30 minutes (and track this! Sleep patterns and acute physical exercise: the effects of gender, sleep disturbances, type and time of physical exercise. Relaxation training for anxiety: a ten-years systematic review with meta-analysis. Have a blanket or robe close by Know where you plan to go if you need to get up at night and set-up this area to be comfortable and relaxing beforehand. To Sleep (Cleveland Clinic Wellness): $40 for lifetime access Internet Ritterband et al. Scenario #3: the patient admitted that when unable to sleep, he/she often remains in bed, feeling frustrated and anxious. Use sleep hygiene education and behavioral interventions first, (80%-90% of Behavioral Insomnia resolves with behavioral/environmental interventions) before considering use of medications or naturopathic interventions Youth with psychiatric illness and insomnia should have their psychiatric illness adequately treated before considering use of sleep medications or naturopathic interventions. Educate parents and the youth on sleep needs and hygiene and refer them to appropriate sources of information (see Suggested Readings). Treat Parasomnias with reassurance and safety measures, using benzodiazepines sparingly for severe, potentially dangerous cases. Behavioral interventions are the treatment of choice for young children with bedtime struggles and frequent awakenings. Resist using medications unless the child is neuro-developmentally compromised and unresponsive to behavioral treatments. Each sleep domain has a set of age-appropriate "trigger questions" for use in the clinical interview. B = bedtime problems E = excessive daytime sleepiness A = awakenings during the night R = regularity and duration of sleep S = snoring Examples of developmentally appropriate trigger questions: Toddler/preschool (2-5 years) Does your child have any problems going to bed? Regularity and duration of sleep Does your child have a regular bedtime and wake time? If last week was unusual for a specific reason, choose the most recent typical week. Unless noted, check Always if something occurs every night, Usually if it occurs 5 or 6 times a week, Sometimes if it occurs 2 to 4 times a week, Rarely if it occurs once a week, and Never if it occurs less than once a week. Child needs special object to fall asleep (doll, special blanket, stuffed animal, etc. Wake up at the same time every day, no matter how much sleep you got the night before. You only want to spend the amount of time in bed that you actually need for sleep. So if you are still wide-awake at your chosen bedtime, wait a while longer until you are sleepy enough to fall asleep quickly. Read a book, watch television, or do something else relaxing; then go back to bed when you feel sleepy enough to fall asleep quickly. Clinical guide to pediatric sleep: diagnosis and management of sleep problems, 2nd edition. The following checklist can help families become more effective in managing the behavior issues associated with children with sleep problems. Checklist for parents: the American Academy of Pediatrics recommends that children should not have televisions, video game electronics, or electronic media residing in their room Help your child keep a consistent bedtime and wake time every day of the week. Late weekend nights or sleeping in till noon can disrupt school night bedtimes Make sure the schedule includes exercise, when to sleep, and when to eat, not too late at night. Spending lots awake or time in bed may prevent the bed from being associated with sleeping Bedrooms should be comfortable and not be too warm or cool. Excessive lights or noise in or near the bedroom environment should be eliminated at bedtime Remove clocks from bedrooms of children who tend to stare or ruminate about the clock. Checklist for younger children: Avoid highly stimulating or scary play, television shows, or movies just before bedtime. Avoid allowing young children to fall asleep in any other places except their bed. If a child does not fall asleep within 20 minutes, they should be taken out of bed and engaged in low stimulation activities like reading until drowsy and then return to bed. When checking to see if young children are asleep, minimize any stimulation or talking.
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Each section of the manual can also be used independently to develop knowledge in a specific area, and the manual as a whole can be used as a reference book in health care settings. Over the last two years, the Scottish Centre for Infection and Environmental Health has adapted the Chinese manual to make it relevant to nurses and midwives in Europe. It is intended that each module should consist of theory and also require practice for completion. Key words, that is, words or terms of particular relevance to an individual module. Learning activities, to be carried out when indicated in the text; a workbook is provided separately for this. The summary of key points is a reiteration of the most important messages to absorb and remember from each module. The workbook is designed to assist you to complete the activities, and there will be instructions. This document is designed to help you find out if you are on the right track with the learning activities. It is recommended that in order to get the most benefit from the manual, you should not refer to this until you have completed all the learning activities for each module. Further information Theory versus practical learning composition the manual content contains most of the theory required to provide a firm basis of knowledge on infections and infectious disease. The learning activities are intended to be more practical and are related to nursing or midwifery practice incorporating wider aspects relevant to the module content. Depending on your area of practice, some learning activities will be more useful than others. A workbook containing instructions for the the manual is designed to be self-contained. Infection control is especially important within healthcare settings, where the risk of infection to patients is greatly increased. Good infection control techniques adopted during patient care can assist greatly in preventing or reducing avoidable hospital-acquired infections. Local infection control policy manuals should be produced within individual settings in order to give guidance to staff on the implementation of important measures and procedures. In addition, national and local regulations or guidance should be clearly documented and followed where appropriate. If guidance is not followed, there may be an increased risk of cross infection of both patients and staff. History of infection control Infection control measures help prevent the spread of infection. In the 14th century, the Venetians quarantined ships arriving at their port in order to contain diseases such as plague. The introduction of antibiotics in the 1940s saw a decrease in basic measures, such as cleaning, in everyday hospital practice, which previously had been the only defence measure for patients against microorganisms living in their environment. People thought that the microorganisms that had caused many deaths had been beaten. In addition, they were able to inactivate antibiotics by developing chemicals that rendered the antibiotics ineffective, leading to resistance. Hospital-acquired (nosocomial) infections Hospital-acquired infections, or nosocomial infections, are infections that were not present or incubating on admission of a patient to hospital. These infections can cause unnecessary suffering for the patient and also create unnecessary costs for the health facility. Page 4 Module 1 Microbiology To begin to understand why we must undertake infection control measures we must first consider aspects of microbiology. We share our world, including our bodies, with millions of microscopic organisms and we need to understand how best we can live with them. Bacteria (including mycoplasmas, rickettsiae and chlamydiae) are small microorganisms of simple primitive form. Bacteria can commonly be found living within our bodies and in our environment, for example in animals, soil and water. Viruses are a group of infective agents so small that they are only visible through electron microscopy. All precautions and measures taken in order to prevent and control infection are based on the interruption of this cycle. Helminths are large parasites worms, which can be a major cause of morbidity in some countries. Airborne: through inhalation of small particles that remain suspended in the air for long periods of time and can be widely dispersed by air currents. Spread is therefore through close contact with infected persons who may be sneezing, coughing, talking, or undergoing airway procedures such as intubation or bronchoscopy. Vectorborne: usually through arthropods such as mosquitoes and ticks but cockroaches, ants and flies can also transmit infection. Portals of exit within healthcare settings include: intravenous lines, urinary catheters, wound sites, open skin lesions, invasive devices, the respiratory system, skin, and mucous membranes. Essential measures should be taken to help prevent and control this cycle of infection, including limiting sources, preventing the routes of transmission, minimising portals of entry, and protecting susceptible patients. Although gloves cannot prevent penetrating injuries from sharp instruments and equipment, they can reduce the incidence of hand contamination from blood and body fluids. They should also be Isolation- or transmission-based Precautions Protection of staff and patients against patient blood and body fluids. Measures to prevent cross infection from common organisms either colonizing or infecting patients. All healthcare workers, staff, patients, and visitors are encouraged to undertake universal precautions at all times. In addition, these measures can also help to minimize cross infection of other organisms. Ideally these gloves should not be washed or disinfected as these can cause deterioration or disintegration, causing holes which may not be visible. Mucous membranes of healthcare workers (for example, eyes and mouth) should be protected from blood or body fluid splashes. Hands should never be put inside a container, nor should any items in the container be retrieved from it. The containers should be changed whenever they become two thirds full, or if they become contaminated on the outside, to avoid potential inoculation injuries or contamination on disposal. The above measures will help to limit the potential exposures of healthcare workers to bloodborne pathogens. Handling and disposal of linen Linen contaminated with blood or body fluids should be handled carefully. Contaminated linen (for example, bed sheets, pajamas, and towels) is usually described as infected or soiled. Identification of contaminated linen can be made by using a bag of an agreed-upon colour, or labelling the bag clearly. If no bags are available and a non-disposable bucket is used, the bucket Module 1 scalpels, intravenous devices, and other sharp instruments should be handled with care in order to avoid inoculation injuries or contamination onto mucous membranes. If the soiled objects are not to be decontaminated immediately, the bags should be stored safely where they can be easily recognized. Minimal handling of body fluids or moist body substances while washing is essential. Proper handling of clinical wastes Clinical waste includes any materials generated from patient care. Such clinical waste can include soiled dressings, cotton swabs, and catheter bags.
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Pharmacokinetics For information on the pharmacokinetics of an anthraquinone glycoside present in rhubarb, see under aloes, page 27. Interactions overview A case report describes raised digoxin levels and toxicity in a patient taking a Chinese herbal laxative containing rhubarb (daio), see Liquorice + Digitalis glycosides, page 274 for further details. No further interactions with rhubarb found; however, rhubarb (by virtue of its anthraquinone content) is expected to share some of the interactions of a number of other anthraquinone-containing laxatives, such as aloes, page 27 and senna, page 349. Of particular relevance are the interactions with corticosteroids and potassium-depleting diuretics. It contains chrysophanol, emodin, rhein, aloe-emodin, physcion and sennosides A to E. Various tannins, stilbene glycosides, resins, starch and trace amounts of volatile oil are also present. Indian rhubarb contains similar anthraquinones, but English rhubarb contains only chrysophanol and some of its glycosides. Dahlgren (Fabaceae) Synonym(s) and related species Red bush tea, Green red bush, Kaffree tea. In experimental studies, it has shown some antioxidant, chemopreventive and immunomodulating effects. The unfermented product remains green in colour and contains aspalathin, a dihydrochalcone, whereas the fermented product is red in colour due to oxidation of the constituent polyphenols. Other flavonoids present in both green and red rooibos include rutin, isoquercetin, hyperoside and quercetin. For information on the pharmacokinetics of individual flavonoids present in rooibos, see under flavonoids, page 186. Interactions overview Midazolam levels are reduced by rooibos tea in vitro and in rats, but clinical evidence for an interaction is lacking. For information on the interactions of individual flavonoids present in rooibos, see under flavonoids, page 186. R Use and indications Rooibos teas have been traditionally used in South Africa for a wide range of aliments including asthma, colic, headache, nausea, depression, diabetes and hypertension. Rooibos + Midazolam the interaction between rooibos tea and midazolam is based on experimental evidence only. Rooibos + Iron compounds Rooibos tea does not appear to significantly reduce the absorption of iron. Clinical evidence In a parallel group study in healthy subjects, mean iron absorption after ingestion of radiolabelled iron 16 mg with a beverage was 7. It contains some polyphenolic flavonoids which might bind iron in the gut; however, these differ from the polyphenols found in tea, such as the catechins, which have reported to affect iron absorption. Tannins found in tea are also thought to reduce iron absorption, but rooibos tea has less than 5% tannins. Importance and management the evidence suggests that rooibos does not reduce the absorption of iron. Experimental evidence An in vitro study investigating the effects of rooibos tea on midazolam pharmacokinetics found that a 10% solution of rooibos tea 4 g/L brewed for 5 minutes reduced the levels of the 4-hydroxy metabolite of midazolam to undetectable levels. Importance and management Although the data are limited and there appear to be no clinical studies, it would seem that rooibos tea may have the potential to significantly reduce the levels of midazolam, and therefore reduce its efficacy. Nevertheless, until more is known, it would seem prudent to monitor the outcome of concurrent use, being alert for a decrease in the efficacy of midazolam. For information on the pharmacokinetics of individual flavonoids present in sage, see under flavonoids, page 186. Constituents the major constituents of sage are flavonoids including luteolin and derivatives, caffeic acid derivatives, diterpenes and triterpenes. Salvia officinalis contains the monoterpene hydrocarbons - and -thujones as the major components, together with 1,8-cineole, camphor and borneol, and others. Salvia lavandulifolia does not contain thujones, and Salvia triloba only small amounts, making these oils less toxic. For information on the interactions of individual flavonoids present in sage, see under flavonoids, page 186. It has antiseptic and spasmolytic properties, and a tea infusion is used as a gargle for sore throats. Sage (Salvia lavandulifolia in particular because of the absence of thujones) has recently generated interest as a cognition enhancer due to its anticholinesterase properties. The oil may be applied topically as an antiseptic and rubefacient but it should not be taken internally, applied externally in large amounts or used by pregnant women. Small (Arecaceae) Synonym(s) and related species American dwarf palm, Sabal, Serenoa. Constituents S the fruit of saw palmetto contains about 25% fatty acids (extracts are often standardised to a minimum of 11% total fatty acids) consisting of capric, caprylic, lauric, palmitic, oleic, linoleic and linolenic acids in the form of fixed oils. Sterols including campesterol, stig masterol and -sitosterol are also present, as are long-chain alcohols, carotenoids, various polysaccharides and some flavonoids, including rutin, isoquercetin and kaempferol. For information on the pharmacokinetics of individual flavonoids present in saw palmetto, see under flavonoids, page 186. Interactions overview There may be an increased response to anticoagulant treatment in patients who also take saw palmetto. Saw palmetto does not appear to have a clinically relevant effect on the majority of cytochrome P450 isoenzymes and no other interactions with saw palmetto have been found. For information on the interactions of individual flavonoids present in saw palmetto, see under flavonoids, page 186. Analysis of the inhibitory potential of Ginkgo biloba, Echinacea purpurea, and Serenoa repens on the metabolic activity of cytochrome P450 3A4, 2D6, and 2C9. Use and indications the main contemporary use of saw palmetto fruit is to treat the urological symptoms of benign prostatic hyperplasia. It has also been used as a diuretic, a sedative, an endocrine agent, an antiseptic and for treating disorders involving the sex hormones. Excessive bleeding during surgery has been reported in another patient who had been taking saw palmetto. Curbicin is a herbal remedy used for micturition problems, and contains extracts from the fruit of saw palmetto and the seed of Cucurbita pepo. An estimated 2 litres of blood were lost during surgery and bleeding time did not return to normal for 5 days. Importance and management Evidence appears to be limited to case reports and an experimental study of unknown clinical relevance. Herbal drug Curbicin and anticoagulant effect with and without warfarin: possibly related to the vitamin E component. Intraoperative haemorrhage associated with the use of extract of Saw Palmetto herb: a case report and review of literature. In vitro study suggested that saw palmetto inhibited this route or metabolism, but this does not appear to be clinically relevant. Importance and management the findings of these studies suggest that saw palmetto does not alter the metabolism of alprazolam or midazolam, and therefore no dosage adjustments of these benzodiazepines would be expected to be needed on concurrent use. Saw palmetto + Caffeine Saw palmetto does not appear to affect the pharmacokinetics of caffeine. Clinical evidence In a randomised study, 12 healthy subjects were given saw palmetto 160 mg twice daily for 28 days, with a single 100-mg dose of caffeine at the end of treatment with saw palmetto. Importance and management Evidence appears to be limited to the study cited, which suggests that in most patients saw palmetto is unlikely to raise caffeine levels. S Saw palmetto + Benzodiazepines No pharmacokinetic interaction appears to occur between saw palmetto and alprazolam or midazolam. Clinical evidence In a study in 12 healthy subjects, saw palmetto 320 mg daily for 16 days did not affect the pharmacokinetics of a single 2-mg dose of alprazolam given on day 14. Clinical evidence In a study in 12 healthy subjects the metabolism of a single 250-mg 346 Saw palmetto Experimental evidence No relevant data found. Importance and management Evidence appears to be limited to the study cited, which suggests that saw palmetto is unlikely to raise dextromethorphan levels. This finding is confirmed by a study using debrisoquine, see Pharmacokinetics, page 344. Multiple doses of saw palmetto (Serenoa repens) did not alter cytochrome P450 2D6 and 3A4 activity in normal volunteers. Importance and management Evidence appears to be limited to the study cited, which suggests that saw palmetto is unlikely to raise chlorzoxazone levels. Clinical evidence In a study in 12 healthy subjects, saw palmetto 320 mg daily for 16 days did not affect the metabolism of a single 30-mg dose of dextromethorphan given on day 14. Koch (Schisandraceae) Synonym(s) and related species Gomishi (Japanese), Magnolia vine, Wu-Wei-Zi (Chinese).
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A more serious problem is permanent injury to the fetal heart, leading to a very slow heartbeat (heart block). This problem can occur as early as the third month of pregnancy and is often fatal. Lymphoma can develop in the lymph nodes, but also the parotid glands and other tissues such as the skin, lungs, Kidneys and stomach. A progressive painless enlargement lasting for a few months should alert the doctor about lymphoma development. Therefore, doctors try to treat the symptoms of the disease to minimize their effects on your daily life. Long-acting pellet in the morning and a lubricating ointment at night may be used. This can be temporary (by inserting small plastic plugs) or permanent by tying off the ducts with a suture or burning the duct with a probe (cauterization). It is more often detected in patients with the limited form of systemic sclerosis. Special problems encountered by scleroderma patients are reduced mouth opening, finger-tip ulcers, and deformities of the fingers, all of which interfere with maintaining good oral hygiene. Therefore, it is particularly important for scleroderma patients to consult their dentists and periodontists to make sure they use appropriate measures to maximize oral hygiene. Patients with this condition may notice irritation, a gritty feeling, or painful burning in the eyes. Dry mouth or difficulty eating dry foods, and swelling of the glands around the face and neck are also common. Some patients experience dryness of other mucous membranes (such as the nasal passages, throat, and vagina) and skin. Patients with dry eyes are at increased risk for infections around the eye and may have damage to the cornea. Dry mouth may cause an increase in dental decay, gingivitis (gum inflammation), and oral yeast infections (thrush) that may cause pain and burning. Some patients have episodes of painful swelling in the saliva glands around the face. Rash hes on the arm ms and legs re elated to infla ammation in small blood v vessels (vascu ulitis) and inflam mmation in th he lungs, liver r, and kidney may occur ra arely and be d difficult to dia agnose. Neurologi ical complicat tions that cau use symptoms such as num mbness, tingli ing, and weak kness have also been desc cribed in som me patients. People with this disease have abnormal proteins in their b blood suggest ting that their immune system, wh hich mally function ns to protect the norm body y against canc cers and invading infec ctions, is reac cting against t their own tissue. Re esearch sugge ests that genetic facto ors and possib bly tified) viral infections (as yet unident y predispose p people to may deve eloping this co ondition. This con ndition can af ffect people o of any age, b but symptoms usually appear between the ages of 4 45 and 55. About t half of affected patients a also have rhe eumatoid arth hritis or other r connective t tissue diseases, such as lupus s. Diagnosis depends on a combinatio on of symptom ms, physical f findings, blood tests, and s sometimes sp pecial studies. D Dry eyes and m mouth may be early signs of the condition but require further inv vestigation because t these symptoms can be caused by many other conditions or med dications. Special tests may y be used to as ssess any dec crease in tear or saliva production (an e example woul ld be the Schi irmer test for r tear productio on. Bio opsies of saliv va glands arou und the face o or under the surface of the e inner lip ma ay rheumato also some etimes be use ed to establish h a diagnosis. Dry eyes usually respond to the use of artificial tears applied regularly during the day or to gels applied at night. Other measures, such as plugging or blocking tear ducts, can be used in more severe cases. Eyedrops that reduce inflammation in the glands around the eyes (cyclosporine Restasis) may be used to increase tear production. Dry mouth can be relieved by drinking water, chewing gum, or using saliva substitutes. Some patients benefit from using prescription medications that stimulate saliva flow, such as pilocarpine (Salagen) or cevimuline (Evoxac). If patients develop yeast infections, these can be relieved by antifungal therapies. The currently available treatments may help relieve some of the dryness but usually some dryness persists. All patients should receive regular dental care in order to prevent cavities and tooth loss that may occur as a complication of the disorder. Patients with dry eyes should see an ophthalmologist (eye doctor) regularly for signs of damage to the cornea. Patients with excessive redness and pain in the eyes should be evaluated for infections. Patients with rare but serious systemic symptoms, such as fever, rashes, abdominal pain, or lung or kidney problems, may require treatment with corticosteroids such as prednisone (Deltasone and others) and/or immunosuppressive agents methotrexate (Rheumatrex), azathioprine (Imuran), mycophenolate (Cellcept), cyclophosphamide (Cytoxan). In addition, rituximab (Rituxan) and other biological therapies (as used in rheumatoid arthritis) are undergoing evaluation for treating patients with severe systemic manifestations of disease. Patients should be aware that they do face an increased risk for infections in and around the eyes and an increased risk for dental problems-both of which are due to the longterm reduction in tears and saliva. When a diagnosis is made, many patients must focus a great deal of attention dealing with dry eyes and dry mouth, but these symptoms tend to subside with time. To reduce risk for cavities and other dental problems, patients must pay close attention to proper oral hygiene and regular dental care. Patients should see their physician regularly for general health screening, and should pay close attention to any abnormal swelling in the glands around the face or neck, under the arms, or in the groin areas as this may be a sign of lymphoma. Currently available To reduce risk for cavities and other dental problems, patients must pay treatments often do not completely eliminate the close attention to proper oral symptoms of dryness in some patients. Rheumatologists are specialists in musculoskeletal disorders and therefore are more likely to make a proper diagnosis. For more information the American College of Rheumatology has compiled this list to give you a starting point for your own additional research. It is always best to talk with your rheumatologist for more information and before making any decisions about your care. Individuals should consult a qualified health care provider for professional medical advice, diagnoses and treatment of a medical or health condition. I work for a ophthalmologist specialist and I also am interested in becoming a dental hygienist so this disease greatly interested me. The lymphocytes then will move into the glands for example, the salivary glands to help fight off any foreign pathogens.