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 56,091 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Initial studies of the tolerance and efficacy of praziquantel in the treatment of human infections due to Schistosoma haematobium were conducted at the WHO Tropical Diseases Research Centre, Ndola, Zambia. The first stage of the trial was a double-blind assessment against placebo of the tolerance and efficacy of oral doses of 1x20, 2x20, or 3x20 mg/kg in patients with a minimum schistosome egg excretion of 50 per random 10-ml sample of urine. Later a single-blind trial was carried out of the efficacy of three oral doses, each of 20 mg/kg, given at 4-hour intervals, or of a single oral dose of 50 mg/kg.In 79 young Zambians with S. haematobium infections (and often other parasitic infections), patient tolerance to the drug was very good, only minor post-treatment symptoms of intermittent epigastric pain, anorexia, and headache being noted, all of short duration.No changes of clinical relevance were detected in the results of a battery of haematological and biochemical tests. Post-treatment eosinophilia occurred in 42% of drug-treated patients but also in 30% of those given placebo. Serial electrocardiograms revealed no changes of significance.At six months after treatment, of 73 patients followed up, only 1 case of parasitological failure was detected. At one year, 66 (83.5%) of 79 patients with S. haematobium infection were followed up and 2 (2.5%) parasitological failures were detected.Two years after treatment, 45 (57%) of 79 patients with S. haematobium showed negative urines, 7 (9%) had positive hatching tests, and 27 (34%) were absent.
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PMID:Initial experiences with praziquantel in the treatment of human infections due to Schistosoma haematobium. 39 53

As part of a programme of multicentre trials of the tolerance and therapeutic effect of praziquantel, clinical trials were carried out in Brazil in patients with active Schistosoma mansoni infections, each of whom had a minimum geometric mean egg output of 100 eggs per gram of faeces calculated from multiple pretreatment stool examinations.The first stage was a double-blind assessment of tolerance and efficacy of oral doses of 1 x 20, 2 x 20, or 3 x 20 mg of praziquantel per kg of body weight. Subsequently, single-blind trials explored the effects of 3 x 20 mg/kg at 4-hourly intervals, and a single dose of 50 mg/kg.Side effects increased in frequency as dosage increased. Nausea, epigastric pain, headache, dizziness, and drowsiness were all noted but their severity was mild or moderate and they disappeared in 48 hours. In general, monitoring laboratory tests showed little change.Following a stringent parasitological follow-up, 96% of 28 patients followed at 1 year after treatment with either 3 x 20 mg/kg or 1 x 50 mg/kg were cured. Praziquantel seems to be a very promising drug against S. mansoni and further clinical trials should be strongly encouraged.
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PMID:Preliminary trials with praziquantel in human infections due to Schistosoma mansoni. 39 54

Two patients suffered from acute renal failure following the use of a larger than usual volume of ethanolamine oleate during the injection of varicose veins. Prominent symptoms of headache, nausea and epigastric pain were associated with the onset of acute renal failure. Spontaneous recovery occurred.
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PMID:Ethanolamine oleate and acute renal failure. 106 Sep 35

HELLP-syndrome (H - haemolysis, EL - elevated liver enzymes, LP - low platelet count) is a serious complication of pregnancy. It can be considered as a variant of severe preeclampsia, where haemolysis, hepatic damage (elevated liver enzymes) and thrombocytopenia (low platelets) are all present. Four case reports of HELLP-syndrome are described. HELLP-syndrome may develop within a few hours. It can be seen pre-, intra- and postpartum. Many patients do not exhibit a clinical picture of severe preeclampsia. Patients who develop HELLP-syndrome usually complain of malaise, nausea, epigastric pain and headache. The diagnosis is confirmed when haemolysis, elevated liver enzymes and thrombocytopenia are demonstrated. Patients with HELLP-syndrome require intensive care by a team of obstetricians, anaesthesiologists and haematologists.
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PMID:[HELLP syndrome--4 case reports]. 849 85

Fifty patients suffering from functional dyspepsia have been treated in a double-blind study either with 1-sulpiride (75 mg die per os) or with metoclopramide (30 mg die per os) for 30 days. The frequency and severity of the symptoms in the two patient groups were similar. The administration of either drug was followed by a reduction of the symptoms, but 1-sulpiride was more effective on nausea, headache, pyrosis, epigastric pain, and showed an earlier effect than metoclopramide in inducing total regression of symptoms.
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PMID:[L-sulpiride versus metoclopramide in functional dyspepsia: a randomized double-blind study]. 158 35

The purpose of this review is to describe the relationship between panic disorder, somatization, functional disability, and high medical utilization. Data from community, primary-care, and specialty studies were reviewed to determine the prevalence of anxiety and panic disorder in these populations. Data from the Epidemiologic Catchment Area Study were reviewed to emphasize the effect of panic disorder on health-care utilization and health perception in a community population. Data on the prevalence of panic disorder in primary care and mode of presentation of primary-care patients with panic disorder were also reviewed. Finally, the epidemiologic psychiatric findings from our recent study of distressed high utilizers of primary care were presented. Panic disorder was found to occur in 1-3% of people in the study community and 1.4-8% of primary-care patients. Of people with or without psychiatric disorder, people with panic disorder in the community had the highest risk of having multiple medically unexplained symptoms and of being high utilizers of medical ambulatory services. People with panic disorder in the community compared to both community psychiatric and nonpsychiatric controls tend to perceive themselves as having poor physical health and to be high users of emergency and hospital inpatient services, as well as ambulatory services. Most patients with panic disorder present to their primary-care physician with somatic complaints, especially cardiac (tachycardia, chest pain), gastrointestinal (epigastric pain or irritable bowel syndrome), or neurologic complaints (headaches, dizziness, or presyncope). Patients who were distressed high utilizers of primary care had an extremely high prevalence of current panic disorder (12%) and lifetime panic disorder (30%), which supported the association between panic disorder and high medical utilization found in the Epidemiologic Catchment Area (ECA) Study.
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PMID:Panic disorder: relationship to high medical utilization. 173 34

Sixteen patients acutely poisoned with aldrin were examined to evaluate a possible correlation between serum aldrin and dieldrin levels and clinical complaints. The patients were classified as having mild (N = 8), moderate (N = 5) or severe (N = 3) poisoning according to clinical symptoms. Concentrations of less than 20 micrograms/l were usually associated with mild poisoning, which involved complaints such as nausea, vomiting and epigastric pain, whereas concentrations of 100 to 200 micrograms/l were considered to represent moderate intoxication and were associated with nausea, vomiting, epigastric pain, headache, dizziness, and convulsions. Severe or fatal cases were associated with levels above 700 micrograms/l. Taken together, these results suggest that serum aldrin and dieldrin levels can be used as indicators of clinical prognosis after acute poisoning with these insecticides and that convulsions could suddenly occur even in the absence of prodromal signs or symptoms.
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PMID:Human aldrin poisoning. 179 80

Ten women with severe pre-eclampsia, i.e. a blood pressure greater than or equal to 150/110 mmHg or 140/90 mmHg and proteinuria greater than 3 g/24 h were, after initial antihypertensive treatment, centrally monitored with a pulmonary artery catheter (Swan-Ganz). All had been normotensive in early pregnancy. Mean age was 29 years (range 23-37). Mean gestational age upon admission was 29 weeks (range 23-36) and 7 of the women were nulliparous. Nine of the 10 patients had subjective symptoms, e.g. headache and/or epigastric pain. All were considered in need of intensive care. Two patients were found to have an abnormal coagulation and liver function. All patients had normal serum creatinine values despite proteinuria. Hypertension was treated with dihydralazine and/or labetalol. Volume substitution was carried out with plasma and albumin. The women could be divided into two groups: 5 patients where progress of the disease despite therapy led to delivery within 24 h, and 5 patients whose diastolic blood pressure could be stabilized around 100 mmHg after treatment and pregnancy could be prolonged by 5-13 days. Common for all patients was a hyperkinetic circulation with an increased cardiac output despite a variety of central pressures. Invasive monitoring of central pressures with a Swan-Ganz catheter demonstrated that the clinical status could be stabilized and the pregnancy prolonged in 5 of the 10 women with severe pre-eclampsia. The variety of the central hemodynamic values illustrates clearly that treatment has to be individualized regarding antihypertensive medication, fluids and diuretics.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Hemodynamic measurements with Swan-Ganz catheter in women with severe proteinuric gestational hypertension (pre-eclampsia). 192 95

The long acting angiotensin-converting enzyme inhibitor enalapril was compared with the calcium channel blocker nifedipine as sustained-release formulation in 136 patients with mild to moderate hypertension. This multicentre study was carried out in a double-blind, double-dummy fashion by 28 cardiologists in private practice. After a 2-week placebo period, patients were randomly allocated to 2 treatment groups; the first group received enalapril 20 mg daily (n = 68), and the second group received sustained-release nifedipine 20 mg twice daily (n = 68). The duration of treatment was 12 weeks. In both groups, hydrochlorothiazide 25 mg was added at week 4 if diastolic blood pressure remained greater than 90 mm Hg. At week 8, if the target diastolic pressure of less than 90 mm Hg was not achieved, the dosage of hydrochlorothiazide was increased to 50mg. The clinical characteristics of the patients in each group were comparable. After 4 weeks of treatment, the reduction in supine diastolic blood pressure was similar in both groups (12.1 mm Hg in the enalapril group vs 10.3 mm Hg in the nifedipine group). Moreover, although the difference between the groups was more noticeable after 12 weeks of treatment (16.3 vs 13.9 mm Hg, respectively), it did not reach significance. The number of patients experiencing clinical adverse effects was significantly greater in the nifedipine group than in the enalapril group [33 (48.5%) vs 18 (26.5%), respectively]. The most common complaints of patients administered nifedipine included swollen ankles, flushing and headaches, whereas complaints in the enalapril group included cough, asthenia, and epigastralgia. Three patients were withdrawn from the study because of side effects in the enalapril group and 10 were withdrawn from the nifedipine group. These results indicate that enalapril and sustained-release nifedipine are equally effective in controlling mild to moderate hypertension. However, enalapril was much better tolerated in this study.
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PMID:Comparative efficacy and safety of enalapril and sustained-release nifedipine in patients with mild to moderate hypertension. The Enalapril vs Nifedipine French Study Group. 218 26

Diarrhea affects approximately 330,000 travelers from industrialized nations each year. Diarrhea is a reflection of inadequate hygiene or waste disposal in the countries visited, usually developing countries. The greatest incidence occurs in 20-29 years olds who take the most dietary risks. Some foods that pose the greatest risk in descending order include raw oysters, steak tartare, ice cubes, washed vegetables, cold milk, puddings, and sandwiches with mixed fillings. 40% of all travelers have a self limiting and rarely grave diarrheal illness caused by local enterotoxigenic Escherichia coli (ETEC). Following an incubation period of 5-9 days, symptoms appear (cramps, fever, and 10 or more diarrheal episodes/day). 5% are infected with Giardia lamblia and 4% with Entamoeba histolytica. Giardiasis occurs worldwide and is characterized by grumbling diarrhea, cramps, and flatulence. E. histolytica causes a severe illness characterized by colitis with bloody stools, anorexia, malaise, sweats, weight loss, and epigastric pain. Only 10-100 Shigella bacteria are required by cause shigellosis. Symptoms include blood and mucus in the diarrhea and malaise. A traveler who ingests food with 100,000 Salmonella bacteria in it most likely will fall ill 48 hours after eating the contaminated food. Typhoid and paratyphoid fevers have an incubation period of about 12 days and may be fatal. Initial symptoms consists of headache, malaise, fever, and pain and 2 weeks later bloody diarrhea appears. Additional common diarrheal illnesses include cholera, post infectious tropical malabsorption, and those caused by Vibrio parahaemolyticus and Campylobacter species. Another disease common in areas of poor hygiene is poliomyelitis with fever, sore throat, and headache present in mild forms. If the virus invades the central nervous system, however, paralysis occurs.
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PMID:Exotic diarrhoeal problems and poliomyelitis. 259 59


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