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 261,466 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A retrospective analysis of 20 patients with amoebic liver abscesses was performed. Seven of 20 patients had more than one abscess. In all, 33 separate abscesses were observed. The diagnosis was based on clinical findings such as malaise, fever, abdominal discomfort, and pain in the right abdomen, haematological and serological anomalies, such as leukocytosis, elevated erythrocyte sedimentation rate, and slightly elevated liver enzymes. The serological investigation included complement fixation, indirect haemagglutination, and latex fixation test; this latter test produced strong reactions in all patients with acute symptoms. The typical ultrasonographic pattern resembled that of a minor echogenic lesion at the time of diagnosis and initiation of therapy. However, in a few acutely ill patients the lesions could not be identified by ultrasonography on first examination, but were clearly identifiable on second investigation on the following days. This finding has not been published previously. It may be observed in a very early stage of the disease only and is, therefore, dependent on rapid diagnosis of amoebiasis. During the follow-up investigations of three months to one year, the majority of abscesses could still be identified.
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PMID:[Amebic liver abscess: sonographic and clinical observations on 20 patients]. 718 41

Clinical data were obtained on 33 patients involved in 27 episodes of ciguatera fish poisoning occurring during a 14-week period on St Thomas in the US Virgin Islands. All patients had gastrointestinal tract symptoms, with 30 patients (91%) complaining of diarrhea and 23 patients (70%) complaining of vomiting; these symptoms occurred early in the disease and were of short duration. Twenty-three patients (70%) complained of malaise, and 19 patients (58%) had pain and weakness in the lower extremities. Dysesthesias were noted by 19 patients (58%); the median duration of dysesthesias was two weeks or more, with symptoms present is some cases for more than two months. Cardiovascular signs and symptoms, including both hypotension and bradycardia were noted in some acute cases. Therapy included antidiarrheal and antiemetic agents, intravenous fluids, atropine, and pralidoxime chloride. Efficacy of pralidoxime therapy could not be established on the basis of our data.
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PMID:Clinical features of ciguatera fish poisoning: a study of the disease in the US Virgin Islands. 720 Dec 99

Eight patients, 7 with hidradenitis suppurativa and 1 with chronic recurrent staphylococcal abscess, all of whom failed to respond to antibiotic therapy, conservative therapeutic measures, and surgery, were experimentally placed on Staphage Lysate. Treatment after appropriate skin testing consisted of subcutaneous infections of 0.1 ml and intranasal installation of 0.3 ml of Staphage Lysate. Treatments were weekly for twelve weeks, biweekly for six months, and then monthly. Complications, which occurred early, were minimal and involved rash, vertigo, malaise, chills, nausea, fever, and headache. Six of the 8 patients reported noticeable improvement in odor, consistency, and amount of drainage and considerable decreases in pain. Seven of the 8 patients reported improvement in the ability of lesions to drain spontaneously, and a decrease in the frequency of inflammatory nodules. All 8 patients reported that the inflammatory periods were definitely shorter. Early data suggests that Staphage Lysate is a useful adjuvant in the treatment of hidradenitis suppurativa.
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PMID:A preliminary report on the use of Staphage Lysate for treatment of hidradenitis suppurativa. 724 54

Sumatriptan is a potent and selective agonist at a vascular serotonin1 (5-hydroxytryptamine1; 5-HT1) receptor subtype (similar to 5-HT1D) and is used in acute treatment of migraine and cluster headache. Following administration of sumatriptan 100mg orally, relief of migraine headache (at 2 hours) was achieved in 50 to 67% of patients compared with 10 to 31% with placebo in controlled clinical trials. In a comparative study, oral administration of sumatriptan 100mg consistently achieved significantly greater response rates than a fixed combination of ergotamine 2mg plus caffeine 200mg during 3 consecutive migraine attacks (66 vs 48% for first attack). Oral sumatriptan 100mg was also more effective than aspirin 900mg plus metoclopramide 10mg orally in a similar study. In the majority of controlled clinical trials, headache relief (at 1 hour after administration) was achieved in 70 to 80% of patients with migraine receiving sumatriptan 6mg subcutaneously compared with 18 to 26% of placebo recipients. Approximately 40% of patients who initially responded to oral or subcutaneous sumatriptan experienced recurrence of their headache, usually within 24 hours, but the majority of these patients responded well to a further dose of sumatriptan. Patients with cluster headache were treated for acute attacks with sumatriptan 6mg subcutaneously or placebo in 2 crossover trials. Headache relief was achieved within 15 minutes in 74 and 75% of patients receiving sumatriptan in these studies compared with 26 and 35%, respectively, with placebo. Patients receiving sumatriptan 12mg had a similar response rate as those receiving 6mg, but the higher dose was associated with an increased incidence of adverse events. Based on extensive safety data pooled from controlled clinical trials, sumatriptan is generally well tolerated and most adverse events are transient. The most frequently reported adverse events following oral administration include nausea, vomiting, malaise, fatigue and dizziness. Injection site reactions (minor pain and redness of brief duration) occur in approximately 40% of patients receiving subcutaneous sumatriptan, although the incidence appears to be markedly reduced when patients self-administer the drug with an auto-injector. Chest symptoms (mainly tightness and pressure) occur in 3 to 5% of sumatriptan recipients, but have not been associated with myocardial ischaemia except in a few isolated cases. Sumatriptan is contraindicated in patients with ischaemic heart disease, angina pectoris including Prinzmetal (variant) angina, previous myocardial infarction and uncontrolled hypertension, but is not contraindicated in patients with migraine and asthma. Data from long term studies in acute treatment of migraine and cluster headache suggest that sumatriptan remains effective and well tolerated over several months.(ABSTRACT TRUNCATED AT 400 WORDS)
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PMID:Sumatriptan. A reappraisal of its pharmacology and therapeutic efficacy in the acute treatment of migraine and cluster headache. 751 61

Thirty-six patients with intrabiliary rupture of hepatic echinococcal cysts were managed between 1974 and 1993. Clinical findings, skin tests, serologic tests, and imaging techniques were used to establish the diagnosis. Twenty-five (69.4%) patients had pain, 24 (66.6%) jaundice, 22 (61.1%) fever, 20 (55.5%) chills, 10 (27.7%) malaise, and 7 (19.4%) other symptoms as the major causes of admission. All patients underwent choledochotomy and T-tube drainage. Treatment directed to the cyst was cystectomy and capittonage, cystectomy and drainage, and partial hepatectomy in 22, 12, and 2 patients, respectively. Omentoplasty was added to the treatment in 10 patients. Seven (19.4%) patients had complications. The period of hospitalization for patients with and without complications was 34.6 +/- 18.1 and 15.1 +/- 2.7, days, respectively. This study indicates that better results are obtained in patients with cystic lesions of the liver by avoiding percutaneous puncture or biopsy, the early use of ultrasonography and computed tomography, evacuation of the cyst together with its germinative membrane and the involved biliary tract under adequate care to avoid spillage into the peritoneal cavity, treating the remaining cavity according to its location, size, and the presence of infection, and decreasing the pressure in the biliary tract by T-tube drainage.
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PMID:Management of intrabiliary rupture of hydatid cyst of the liver. 757 69

A 10-year-old boy on continuous ambulatory peritoneal dialysis had low-grade fever, pain and tenderness of the right shoulder; he had no history of infection or exposure to tuberculosis. The underlying granulomatous infection was diagnosed by histological examination of bone and the polymerase chain reaction with primer sequences specific for Mycobacterium tuberculosis. Special stains and cultures were negative. The initiation of antituberculous therapy was followed by a sharp improvement in the fever, malaise and shoulder pain within several weeks. Extrapulmonary tuberculosis is common in patients with chronic renal failure on dialysis and the diagnosis is difficult. The clinician must recognise the high and early mortality rate in order to initiate an aggressive diagnostic approach and early therapy.
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PMID:Tuberculous osteomyelitis: an unusual case of tuberculous infection in a child undergoing continuous ambulatory peritoneal dialysis. 757 17

Inferior pancreaticoduodenal aneurysms are uncommon. A 77-year-old woman was seen with a 1-week history of sharp pain in the right lower abdominal quadrant radiating to the back, associated with malaise, anorexia, vomiting and nonbloody diarrhea. Appendicitis was diagnosed, but at laparotomy a large retroperitoneal hematoma was found; no aneurysm was identified. The abdomen was closed and aortography was done. An aneurysm of the inferior pancreaticoduodenal artery arcade was demonstrated, with occlusion of the celiac artery at its origin. The arc of Buehler was patent and enlarged and supplied the hepatic and splenic arteries. Embolization with Gianturco coils placed proximal to the aneurysm was successful.
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PMID:Emergency embolization of a ruptured aneurysm of the pancreaticoduodenal arcade. 763 4

A phase I-II clinical trial was conducted to determine the maximum-tolerated dose (MTD) of oral cyclosporine (CsA) and vinblastine in patients with metastatic renal cell cancer (RCC) as well as to estimate the response rate. Sixteen patients received a 5 mg/kg oral loading dose of CsA followed by 3 days of CsA in 4 divided daily doses escalating from 10 mg/kg per day up to 17 mg/kg per day. Vinblastine (Vbl) was administered as an intravenous bolus on the morning of the 3rd day with dose escalation from 6 to 10 mg/m2. Cycles were repeated every 4 weeks until tumor progression. Forty-nine cycles of CsA with vinblastine were administered. The maximum tolerated dose of Vbl was 10 mg/m2, with neutropenia as the dose-limiting toxicity resulting in one death. CsA could not be escalated above 17 mg/kg per day because of nausea and vomiting. Other toxicities included constipation (100%), malaise (100%), temporary increase in pain (36%), and one seizure that may have been drug-related. There were no clinically significant changes in renal function or serum bilirubin. Mean peak whole-blood CsA level at the highest CsA dose level was 919 ng/ml (range: 414-1,827) with a trough prior to Vbl injection of 451 ng/ml (range: 128-1,229). There were no tumor responses. The combination of oral CsA and Vbl is not nephrotoxic but is poorly tolerated. In most patients optimal blood levels of CsA for reversal of MDR cannot be reliably achieved, and vinblastine dose intensity must be compromised because of the significant toxicity of this regimen.
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PMID:Phase I-II study of vinblastine and oral cyclosporin A in metastatic renal cell carcinoma. 774 14

We describe 11 patients first seen with symptoms or signs related to lymphoma predominantly or exclusively involving one or both kidneys. The patients were seven men and four women, aged 40-77 years (median, 67). Seven of them had one or more other prior (four), subsequent (two) or both simultaneous and subsequent (one) primary malignant or premalignant lesions. The presenting symptoms of the patients with lymphoma included local pain (five cases), loss of appetite or nausea (four cases), hematuria (two cases), weight loss (two cases) or malaise (two cases). One patient had renal failure at presentation. One lymphoma was an incidental finding at the time of aneurysm resection. Nine patients had unilateral disease; two patients had bilateral disease. Six unilateral cases were initially considered on clinical (five) or clinical and pathological (one) evaluation to be primary carcinomas of the kidney. Gross examination of nephrectomy specimens revealed fleshy or firm, yellow, tan, or gray tumors from 5.7 to 22 cm (median, 7.5) in greatest dimensions that frequently invaded perinephric fat and adjacent structures. The lymphomas were subclassified as diffuse large cell (seven cases), follicular and diffuse large cell (one case), small lymphocytic plasmacytoid (two cases), and small noncleaved cell lymphoma (non-Burkitt's type) (one case). Immunophenotyping in nine cases revealed that all were B-lineage tumors. Three patients had Ann Arbor stage I disease, three had stage II, and five had stage IV. On follow-up, ranging from 1 week to 169 months (median, 15 months), 5 patients were alive and free of lymphoma. Four patients died of progressive disease 1 week to 23 months after diagnosis. One patient is alive at 4 months but has not completed chemotherapy. One asymptomatic patient has not been treated. Renal lymphomas are predominantly large-cell lymphomas of B-lineage affecting middle-aged and older adults and often can be treated successfully. Both clinically and pathologically, they can be mistaken for carcinomas of the kidney. A high proportion of patients in this series had malignant tumors of other types.
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PMID:Lymphoma of the kidney. A report of 11 cases. 855 20

Dengue is an important insect-borne viral disease, transmitted in the Western hemisphere by the A. aegypti mosquito. It is endemic in the Caribbean with sporadic outbreaks in different regions. Cases in the United States are mostly imported cases but can be seen in the Gulf states as well as the Southeast. Dengue is most frequently a self-limiting illness characterized by sudden onset of fever, chills, headache, retroocular pain, general malaise, myalgias, arthralgias, and a skin rash. In a small group of patients, the same viruses may cause dengue hemorrhagic fever and dengue shock syndrome. In the Western hemisphere, dengue with hemorrhagic manifestations and dengue with shock syndrome have been documented frequently in adults. There are four serotypes of dengue viruses and all have been documented to be present in the Western hemisphere. The clinical illness is similar for any of the four serotypes; after infection there is lifelong homotypic immunity and heterotypic immunity for several months. The diagnosis of dengue is based on clinical findings and can be confirmed by serologic tests or virus isolation. There is no specific treatment for dengue; hydration is important as well as aggressive fluid management if hypotension develops. It is important to avoid aspirin and salicylates. The best treatment is prevention through mosquito control and public education to eradicate the breeding grounds for the mosquito.
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PMID:Dengue in the Western Hemisphere. 791 2


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