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The management of the irritable bowel syndrome (IBS) remains unsatisfactory. For abdominal pain, antispasmodics are, at best, of only modest efficacy. Tricyclic antidepressants in low dose are useful (with the number needed to treat being three), but side effects and patient concerns regarding use of a centrally acting agent for depression remain limitations. Selective serotonin reuptake inhibitors are of uncertain efficacy in IBS. Opioid agonists, especially loperamide, are useful for diarrhea but not for pain in IBS; rebound constipation also remains a problem. Bile salt sequestering agents are not of established value in IBS but seem to be useful clinically in a small group of IBS patients with diarrhea. Aloestron, a 5HT(3) antagonist, should be reserved, if available, for women with severe diarrhea predominant IBS who have failed to respond to conventional therapy, and started at a low dose. Fiber and bulking agents may help constipation in some trials, but the evidence that they are efficacious in IBS is equivocal; they are frequently prescribed as first-line drugs for IBS regardless of the primary bowel disturbance but often increase bloating, gas, and pain. Laxatives are not of established value in IBS but are often taken by patients with constipation predominant IBS. Tegaserod, a partial 5HT(4) agonist, is now available in the United States and other countries for use in women with IBS whose primary bowel symptom is constipation; its efficacy in men and in those with alternating bowel habits is unknown. Probiotics are of uncertain efficacy. Chinese herbal medicine data are insufficient. Other new drugs in development include the cholecystokinin antagonists and novel visceral analgesics. Both current and potential therapies for IBS are reviewed in this article.
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PMID:Pharmacologic therapy for the irritable bowel syndrome. 1273 51

Anorexia nervosa (AN) and bulimia nervosa (BN) are eating disorders characterized by an aberrant pattern of eating behavior, relentless pursuit of thinness, an intense fear about weight gain and an altered perception of body shape. The pathobiology of eating disorders is complex. Several social, psychological and developmental phenomena are proposed to contribute to the etiology of eating disorders. The role of neuropeptide Y, corticotropin releasing hormone and leptin has also been investigated to understand the pathogenesis of eating disorders. However, most of the neuropeptide alterations noted in eating disorders are secondary to starvation. Several nonpharmacological approaches such as cognitive and behavior-based therapy and interpersonal therapy have been developed to assist weight gain and to modify the behavioral impairment associated with eating disorders. Pharmacotherapy serves as an adjunct in AN, whereas it plays a more significant role in the management of BN. Antidepressants are effective in a limited number of AN patients with comorbid depression. On the other hand, the efficacy of fluoxetine in BN patients in reducing the frequency of binge eating and in the severity of behavioral abnormalities is quite impressive. Several adjunct therapies such as prokinetics and anxiolytics have also been used in AN and BN to assist eating behavior. An insight into genetic and neurochemical abnormalities occurring in eating disorders will help to find better therapeutic agents for these disorders. (c) 2001 Prous Science. All rights reserved.
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PMID:Anorexia nervosa and bulimia nervosa: An appraisal. 1276 23

In the evaluation of Acute Drug Poisoning (ADP) in patients seriously ill with a potentially non-toxic dose of the drug that is theoretically responsible, it is important to insist on anamnesis in the coingestion of other drugs or toxics. Initially attention is given to life support measures, oxygenation, protection of the airway and expanding the volemia. The ECG is a diagnostic tool of the first order in ADPs, above all for tricyclic antidepressants (TAD) and cardio-vascular drugs. In the majority of cases continuous monitoring is usually necessary during the first 12-24 hours. The benzodiazepines do not usually give rise to serious poisoning. The use of flumazenil will be reserved for cases of respiratory depression, deep coma or where the cause is undetermined. They can give rise to convulsions, above all in the case of mixed poisonings with anti-depressants and abstinence syndrome. The TADs have an enormous potential seriousness, as they can cause mortal arrhythmias. The therapeutic range of lithium is very narrow; it can produce signs of basically digestive and neurological toxicity. In the case of poisoning by digoxin, the use of anti-digital anti-bodies will be considered in cases of serious bradyarrhythmias, AV blocks or PCR. Glucagon is the antidote for serious poisoning by beta-blockers and for refractory hypotension in cases of calcioantagonists.
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PMID:[Acute pharmacologic poisoning (I). Psychotropic and antiarrhythmic drugs]. 1281 78

Psychosis only rarely occurs in patients with untreated Parkinson's disease. Much more commonly, psychosis is induced by drug therapy for Parkinson's disease and is the strongest known risk factor for nursing home placement. Delusions are less frequent than hallucinations, but are more concerning as they are often paranoid in nature. Treatment begins with a search for correctable infectious, toxic, and metabolic aetiologies. If symptoms persist, anti-Parkinson's disease medications are slowly reduced. However, withdrawal of these drugs usually worsens parkinsonism and is often not tolerated. Certain atypical antipsychotics can be used to treat psychosis without compromising motor function. The choice of atypical antipsychotic is largely based on ease of use and adverse effect profile as most have comparable efficacy in improving psychosis. Currently, there are five marketed atypical drugs - clozapine, risperidone, olanzapine, quetiapine and ziprasidone. Ziprasidone is the only agent whose adverse effect profile has not been reported in Parkinson's disease. The most common adverse effects of clozapine in Parkinson's disease are sedation, orthostatic hypotension and sialorrhoea. Sedation is generally helpful since these patients are frequently awake at night and tend to have worse behavioural problems then. Clozapine does not induce deterioration of motor function, but it has the potential to cause agranulocytosis, which is idiosyncratic and not dose-related. In risperidone-treated Parkinson's disease patients, reported adverse effects include somnolence, sialorrhoea, dizziness, palpitations, constipation, delirium, fatigue, leg cramps, depression, urinary incontinence and hypotension. Although in some Parkinson's disease studies, risperidone has been well tolerated, others have shown that many patients are unable to tolerate the drug due to deterioration of motor function. While an initial study of olanzapine in Parkinson's disease psychosis showed the drug to be effective without deterioration of motor function, succeeding reports demonstrated a deleterious effect of the drug on motor functioning. The most common adverse effects of quetiapine in Parkinson's disease patients are sedation and orthostatic hypotension. There is a lack of double-blind trials; however, cumulative reports involving >200 Parkinson's disease patients strongly suggest that quetiapine is well tolerated and effective. Unlike clozapine, it does not improve tremor and may induce mild deterioration of motor function. Recently, cholinesterase inhibitors have been reported to alleviate psychosis in Parkinson's disease. Although ondansetron, an antiemetic with antiserotonergic properties, has been reported to relieve psychosis in Parkinson's disease, its prohibitive cost has prevented further study in this population. Electroconvulsive treatment is generally reserved for the patient with psychotic depression who is unable to tolerate any pharmacological therapy.
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PMID:Treatment of psychosis in Parkinson's disease: safety considerations. 1281 32

Norethindrone 2 mg. with mestranol 0.1 mg. (Ortho-Novum 2 mg.) was taken in cyclic fashion for fertility control by 62 private patients through 312 cycles. Each patient was interviewed every month during the trial period. No pregnancies occurred. The most common side effects noted were breakthrough bleeding, headache, fatigue and tension, nausea and depression. Five patients left the study because of depression and one because of nausea. It is suggested that the use of norethindrone 2 mg. with mestranol 0.1 mg. be reserved for the following situations: (1) those patients who have used other methods without success and in whom a further pregnancy would, in the opinion of the family physician, create hardship; (2) those patients in whom fear of pregnancy is part of the cause of marital problems; and (3) those patients in whom the product is primarily used for the treatment of menstrual disorders.
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PMID:The use of norethindrone (2 Mg.) with mestranol (0.1 Mg.) in fertility control; a preliminary report. 1399 1

Patients with submental fullness may not be candidates for a full or short-scar face lift because of medical contraindications, uncontrolled hypertension, a refractory nicotine habit, or anticoagulant medications, or patients may disqualify themselves because of cost, unavailable recovery time, or emotional resistance. Submental suction-assisted lipectomy has traditionally been reserved for younger patients. For older patients, suction-assisted lipectomy is typically used as an adjunct for face/neck lifts. This report describes experiences with suction-assisted lipectomy for older patients who were not face lift candidates, for the aforementioned reasons. The study goals were to better delineate the indications for submental suction-assisted lipectomy, as opposed to a face lift, and to obtain improved results with a less-invasive procedure. A 6-year study involving 132 patients (21 to 73 years of age), of whom 4.5 percent were men, was performed. Eighty-eight patients (67 percent), the primary focus of this study, were more than 40 years of age. Of those 88 patients, 24 patients (18 percent of the 132 patients in this series) were in their forties, 45 (34 percent) were in their fifties, 16 (12 percent) were in their sixties, and three (2.3 percent) were at least 70 years of age. The median follow-up time in this series was more than 1 year. The results were assessed with the five criteria for facial rejuvenation described by Ellenbogen and Karlin. All patients demonstrated improvement, with three to five of the Ellenbogen-Karlin neck rejuvenation criteria being met for each patient. All patients demonstrated an improved submandibular border, a more visible anterior sternocleidomastoid muscle border, and an improved neck angle (as determined with angle measurements). For many patients, all five of the Ellenbogen-Karlin criteria were met. A visible subhyoid depression and a visible thyroid cartilage bulge were the two criteria most often not met. A retrospective evaluation using Baker's preoperative classification of patient types for short-scar face lifts was performed. Results for patients more than 64 years of age (11 patients) were less satisfactory, often with redundant or crepe paper-like skin. Submental suction-assisted lipectomy, as opposed to a face lift, was observed to be a reasonable alternative for older patients who were unable or unwilling to undergo a face lift. Localized fullness in the midline was observed to be the best predictor of a good outcome (even better than age or skin tone). A crepe paper appearance of the skin preoperatively was the best predictor of failure. The surgical anatomical features, technique, advantages, disadvantages, and principles are discussed. Complications and their treatment are addressed. It is concluded that submental suction-assisted lipectomy alone, without platysmaplasty, can be helpful for patients with submental fullness who are unsuitable candidates for a face lift and who accept the limitations of liposuction without platysmaplasty. Suction-assisted lipectomy can sufficiently contract and smooth the skin envelope for selected patients, with less consideration for age than previously proposed.
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PMID:Submental suction-assisted lipectomy without platysmaplasty: pushing the (skin) envelope to avoid a face lift for unsuitable candidates. 1450 26

BACKGROUND: Quality of life weights based on valuations of health states are often used in cost utility analysis and population health measures. This paper reports on an attempt to develop quality of life weights within the Zimbabwe context. METHODS: 2,384 residents in randomly selected small residential plots of land in a high-density suburb of Harare valued descriptors of 38 health states based on different combinations of the five domains of the EQ-5D (mobility, self-care, usual activities, pain or discomfort and anxiety or depression). The English version of the EQ-5D was used. The time trade-off method was used to determine the values, and 19,020 individual preferences for health states were analysed. A residual maximum likelihood linear mixed model was used to estimate a function for predicting the values of all possible combinations of levels on the five domains. The model was fit to a random subset of two-thirds of the observations, with the remaining observations reserved for analysis of predictive validity. The results were compared to a similar study undertaken in the United Kingdom. RESULTS: A credible model was developed to predict the values of states that were not valued directly. In the subset of observations reserved for validation, the mean absolute difference between predicted and observed values was 0.045. All domains of the EQ-5D were found to contribute significantly to the model, both at the moderate and severe levels. Severe pain was found to have the largest negative coefficient, followed by the inability to wash and dress oneself. CONCLUSION: Despite a generally lower education level than their European counterparts, urban Zimbabweans appear to value health states in a consistent manner, and the determination of a global method of establishing quality of life weights may be feasible and valid. However, as the relative weightings of the different domains, although correlated, differed from the standard set of weights recommended by the EuroQol Group, the locally determined coefficients should be used within the Zimbabwean context.
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PMID:How do Zimbabweans value health states? 1467 66

While aerobic endurance training has been a substantial part of international recommendations for cardiac rehabilitation during the last 30 years, there is still a rather reserved attitude of the medical community to resistance exercise in this field. Careful recommendations for resistance exercise in cardiac patients was only published a few years ago. It has been taken for granted that strength exercise elicits a substantial increase in blood pressure and thus imposes, especially in cardiac patients, a risk of potentially fatal cardiovascular complications. Results of the latest studies show that the existing recommended overcaution is not justified. Strength exercise can indeed result in extreme increases of blood pressure, but this is not the case for all loads of this kind. The actual blood pressure response to strength exercise depends on the isometric component, the exercise intensity (load or resistance used), muscle mass activated, the number of repetitions in the set and/or the duration of the contraction as well as involvement of Valsalva maneuver. Intra arterially performed blood pressure measurements during resistance exercise in patients with heart disease showed that strength training carried out at low intensities (40-60% of MVC) and with high numbers of repetitions (15-20) only evokes a moderate increase of blood pressure comparable with blood pressure measures induced by moderate endurance training. If used properly and performed accurately, individually dosed, medically supervised and controlled through experienced sport therapists, a dynamic resistance exercise is-at least for a certain group of patients-not associated with higher risks than an aerobic endurance training and can in addition to endurance training improve muscle force and endurance, have a positive influence on cardiovascular function, metabolism, cardiovascular risk factors as well as psychosocial well-being and overall quality of life. However, with respect to currently available data, resistance exercise cannot be generally recommended for all groups of patients. The appropriate kind and execution of training is highly dependent on current clinical status, cardiac capacity as well as possible accompanying diseases of the patient. Most of the studies carried out up to date included small samples of middle-aged male patients with almost normal levels of aerobic endurance performance and good left ventricular function. Data is missing for risk groups, older patients and women. Therefore, an integration of dynamic resistance exercises in cardiac rehabilitation can only be recommended without hesitation for CHD patients with high physical capacity (good myocardial function, revascularized). Since patients with myocardial ischemia and/or low left ventricular functioning might develop wall motion disturbances and/or dangerous ventricular arrhythmia when performing resistance exercises, prevalence of the following conditions is recommend: moderate to high LV-function, high physical performance (>5-6 metabolic equivalents= >1.4 watts/kg body weight) in absence of angina pectoris symptoms or ST-depression, by maintained current medication. In the proposed recommendations, a classification of risks for resistance training in cardiac rehabilitation is being made based on current data and is complemented by specific recommendations for particular groups of patients and detailed guidelines for setup and completion of the therapy program.
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PMID:[The stakes of force perseverance training and muscle structure training in rehabilitation. Recommendations of the German Federation for Prevention and Rehabilitation of Heart-Circulatory Diseases e.v]. 1516 Feb 71

The long-term effectiveness of a structured health education program (HEP) for spouses and frail older adults was evaluated in a staff model health maintenance organization (HMO). HEP is a multicomponent group program that includes emotion-focused and problem-focused coping strategies, education, and support. For caregivers, HEP was more effective than usual care (UC) in reducing depression, increasing knowledge of community services and how to access them, and changing caregivers' feelings of competence and the way they respond to the caregiving situation. For care recipients, HEP was more effective than UC in preventing increases in somatic symptoms and symptoms of anxiety/insomnia. ((c) 2004 APA, all rights reserved)
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PMID:Supporting caregivers of frail older adults in an HMO setting. 1529 11

Cardiac rehabilitation patients improve cardiorespiratory fitness and quality of life, yet therapeutic processes that produce these changes remain unknown. A cross-lagged panel design was used to determine whether early-treatment enhancement of self-efficacy regarding abilities to change diet and exercise habits and the quality of the patient-staff working alliance predicted late-treatment changes in a wide range of outcomes, but not vice versa. Eighty cardiac patients participating in a 12-week program completed measures at early, mid- and late treatment. Early-treatment changes in exercise self-efficacy predicted late-treatment changes in activity level, depression, and working alliance, but not vice versa. Diet self-efficacy changes correlated with concurrent changes in fat intake and body weight. Early-treatment changes in cardiorespiratory fitness and activity level predicted late-treatment changes in working alliance, but not vice versa. Findings suggest that increased exercise self-efficacy represents an important therapeutic mechanism by which rehabilitation gains are realized. ((c) 2004 APA, all rights reserved)
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PMID:Process and outcome in cardiac rehabilitation: an examination of cross-lagged effects. 1530 45


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