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Biomedical subjects

J D Grange

Publications and source records attributed to J D Grange.

At least 19 recordsLinked to original sources
PubMed1992

Treatment of severe alcoholic hepatitis by infusion of insulin and glucagon: a multicenter sequential trial.

Severe alcoholic hepatitis is still a therapeutic challenge. It has been recently advocated that a 3-wk infusion with insulin and glucagon reduces its short-term mortality rate. A multicenter, randomized, single-blind, sequential trial was designed to compare this treatment with placebo. The triangular boundary was defined with alpha = 0.05, beta = 0.10 and estimated survival at 4 wk of 50% with placebo, 75% with treatment. Patients with biopsy-proven severe alcoholic hepatitis (presence of one or more of three criteria: encephalopathy, prothrombin activity less than or equal to 50%, bilirubinemia greater than or equal to 100 mumol/L) were randomized into two groups; one treatment group received an infusion (12 hr/day) of an association of insulin (30 IU) and glucagon (3 mg), and a control group received an infusion of glucose. Treatments were administered during a 3-wk period, and the mortality rate was noted at 4 wk. The decision to discontinue the trial was reached on the basis of results from the first 44 patients. Overall results were assessed in the 72 patients included at the time of this decision (treatment group: n = 37; control group: n = 35). Fifty-three patients had cirrhosis. No significant differences were noted between the two groups at inclusion on the basis of clinical, laboratory and histological criteria. The mortality rate was not significantly different in the two groups; 10 patients (27%) in the treatment group and 5 patients (14%) in the control group died. Causes of death were similar in the two groups and consisted primarily of gastrointestinal hemorrhage, hepatic failure and infectious events.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed1992

[Retinoblastoma].

Retinoblastoma (RB) is the most frequent ocular tumor in childhood. Due to recent advances in molecular biology, RB has become a study model for cancer suppressor genes, and antenatal diagnosis has now become feasible. The goals of therapy include an improved survival rate, decrease in iatrogenic sequelae (especially enucleation), and avoidance of radio-induced neoplasias. This review examines recent data from the literature.

Child↗
PubMed1992

Association of chronic interstitial cystitis, protein-losing enteropathy and paralytic ileus with seronegative systemic lupus erythematosus: case report and review of the literature.

We report the case of a female patient with seronegative lupus and predominant bladder and intestinal involvement in the form of interstitial cystitis and protein-losing enteropathy. This association is exceptional in the literature but may be underestimated because of frequent latency of interstitial cystitis. It may define a peculiar subgroup of lupus patients usually responsive to steroid therapy. In this case, only cyclophosphamide markedly improved the protein-losing enteropathy but did not influence the bladder disease.

Adult↗
PubMed1990

Amoxicillin-clavulanic acid therapy of spontaneous bacterial peritonitis: a prospective study of twenty-seven cases in cirrhotic patients.

Spontaneous bacterial peritonitis in cirrhosis is a serious complication that demands urgent attention. We report here a prospective study of the treatment of 27 episodes of spontaneous bacterial peritonitis in 22 cirrhotic patients with amoxicillin and clavulanic acid. The infection of ascitic fluid was diagnosed by a positive culture plus an ascitic neutrophil count exceeding 75/microliters, or by an ascitic neutrophil count exceeding 500/microliters. The infection was treated with 1 gm amoxicillin and 0.2 gm clavulanic acid every 6 hr for 14 days. In 17 cases (63%), bacteria were isolated from the ascitic fluid. All the bacteria isolated were sensitive to amoxicillin and clavulanic acid, whereas in five cases they were resistant to amoxicillin alone (Escherichia coli in two cases, Klebsiella pneumoniae in two cases and Bacteroides fragilis in one case). Cure of the infection was achieved in 23 episodes (85%) after 14 days' treatment; 17 patients (63%) were able to leave the hospital. Fourteen of 20 patients (70%) treated for the first episode of infection died within 1 yr: eight from infection, two from gastrointestinal hemorrhage, one from infection and hemorrhage and three from tumors. One patient who had repeated infections underwent liver transplantation and has not had any infectious complications 1.5 yr after surgery. Amoxicillin and clavulanic acid may be an effective first-line therapy for ascitic fluid infection in cirrhosis. Nevertheless, the 1-yr prognosis continues to be grave and the severity of the underlying liver disease remains the most important determinant for survival.

Adult↗
PubMed1990

Preventive therapy of first gastrointestinal bleeding in patients with cirrhosis: results of a controlled trial comparing propranolol, endoscopic sclerotherapy and placebo.

Propranolol and endoscopic sclerosis of esophageal varices are the two approaches currently used in prophylaxis of the first gastrointestinal hemorrhage in the cirrhotic patient. One hundred twenty-six cirrhotic patients with esophageal varices and no histories of bleeding were included in the trial regardless of the gravity of the cirrhosis or the size of the esophageal varices. Patients with hepatocarcinomas or other cancers, clearly impossible follow-up, previous treatment for portal hypertension or contraindication to beta-blockers were excluded. After randomization, 43 patients received propranolol twice daily at a dose reducing the heart rate by 25%; 42 patients were treated with intravariceal and extravariceal injections of Polidocanol; 41 control patients received vitamin K orally as placebo. The patients were seen at 3-mo intervals for 2 yr. On entry to the trial the three groups were comparable in terms of clinical and biological parameters, including size of esophageal varices (grade I = 51, grade II = 54, grade III = 17), Child-Pugh classification (A = 29, B = 61, C = 32) and the origin of cirrhosis (alcoholic in 79% of cases). Twenty-four patients bled (two bled in the propranolol group, nine bled in the endoscopic sclerosis of esophageal varices group and 13 bled in the placebo group). Actuarial estimates (Kaplan-Meier) of the time of onset of first bleeding showed that the differences were significant between propranolol and placebo (p less than 0.004) and between propranolol and sclerotherapy (p less than 0.03) but not between sclerotherapy and placebo.(ABSTRACT TRUNCATED AT 250 WORDS)

Esophageal and Gastric Varices↗
PubMed1990

Pharmacokinetics of intravenous and oral pentoxifylline in healthy volunteers and in cirrhotic patients.

The pharmacokinetics of pentoxifylline were investigated in six healthy volunteers and in 10 patients with alcoholic cirrhosis. After a 100 mg intravenous infusion, pentoxifylline elimination half-life was prolonged in cirrhotic patients (2.12 +/- 1.22 hours versus 0.83 +/- 0.29 hours, p less than 0.05) because of a decrease in its plasma clearance (1.44 +/- 0.46 L.hr-1.kg-1 in patients with cirrhosis versus 3.62 +/- 0.75 L.hr-1.kg-1 in volunteers, p less than 0.001). The elimination half-life of the metabolite (5-hydroxypentoxifylline) was similar to that of the parent compound. After oral administration of a 400 mg sustained-released tablet, absolute bioavailability of pentoxifylline increased in cirrhotic patients (0.71 +/- 0.24 versus 0.33 +/- 0.13, p less than 0.01). Although plasma concentrations of pentoxifylline and hydroxypentoxifylline were significantly increased in cirrhotic patients, the AUCpentoxifylline/AUChydroxypentoxifylline ratio remained unchanged in both groups after either intravenous or oral administration. These findings show that liver cirrhosis profoundly alters the pharmacokinetics of pentoxifylline. However the formation of hydroxypentoxifylline is not modified in these patients, suggesting an extrahepatic metabolism.

Administration, Oral↗
PubMed1990

[Exudative enteropathy and interstitial cystitis due to systemic lupus erythematosus].

A 33-year-old woman presented with chronic diarrhea, vomiting and anasarca due to systemic lupus erythematosus with protein-losing enteropathy, interstitial cystitis and glomerulonephritis. Methylprednisolone could not prevent aggravation of diarrhea, obstructive uropathy, and nephrotic syndrome, and prolonged intestinal ileus developed. Because of this steroid-resistance, bolus injections of cyclophosphamide (1 g i.v. monthly) were decided. Protein-losing enteropathy and ileus both disappeared rapidly following the first injection. Protein-losing enteropathy, intestinal ileus and interstitial cystitis are exceptional manifestations of systemic lupus erythematosus; steroid-resistance of the digestive manifestations has only been reported in one case and our observation is the first reporting the efficacy of cyclophosphamide.

Adult↗
PubMed1989

Pharmacokinetics of amoxycillin/clavulanic acid in serum and ascitic fluid in cirrhotic patients.

A combination of amoxycillin and clavulanic acid (Augmentin) might be useful for first-line treatment of spontaneous bacterial peritonitis in patients with cirrhosis. We have studied the pharmacokinetics of amoxycillin/clavulanic acid in serum and ascitic fluid of six cirrhotic patients. A total of 66 simultaneous serum and ascitic samples were analysed. Following iv injection of 1 g amoxycillin plus 0.2 g clavulanic acid, the ascites to serum AUC ratio was 1.38 for amoxycillin and 1.01 for clavulanic acid, indicating a good distribution of these drugs into the ascitic fluid. In this study, experimental data were fitted to a three compartment body model which revealed that the prolonged serum half-lives of amoxycillin (274 min) and clavulanic acid (200 min) were probably due to the slow return from the ascitic compartment.

Adult↗
PubMed1989

[Evaluation of 100 melanomas of the choroid and ciliary body treated by application of ruthenium (RU 106 Rh 106)].

100 cases of uveal melanomas, were treated with 106 RU 106 RH beta-brachytherapy, between June 1983 and September 1987. 82 eyes having a follow-up superior or equal to 6 months, were analysed. 13 of these 82 eyes have been enucleated. 2 patients, have died, 2 have at this time, hepatic dissemination. The first 43 patients were analysed at the 18th month after irradiation. The majority of tumors with initial thickness inferior to 5 mm had a regression superior to 50%, at the 18th month. The majority of tumors with initial thickness superior to 5 mm, had a regression inferior to 50%, at the same time. Functional results have also been noticed in this series of 43 eyes, and were satisfactory.

Adult↗