[Incidence and complications of regional portal hypertension in the course of chronic pancreatitis].
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Biomedical subjects
Publications and source records attributed to R Farini.
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Eighty-four patients with endoscopically-proved active duodenal ulcer were admitted to a multicentre double-blind trial with either pirenzepine tablets (25 mg three times per day for 1 week followed by 25 mg two times per day for 3 weeks) or placebo. Seventy-nine patients completed the trial, 44 treated with pirenzepine and 35 with placebo. After 4 weeks, complete healing had been achieved in 52% of the pirenzepine-treated patients and in 34% of the placebo-treated ones. Symptomatic responses were signigicantly better in those receiving pirenzepine than in those receiving placebo. In addition, the supplementary antacid consumption was significantly lesser in the pirenzepine group than in the placebo group. No important side-effects were observed in the two groups.
Ninety-six patients with endoscopically proved active duodenal ulcers were admitted to a multicentre double-blind trial with either pirenzepine (100 mg/day, 25 mg in the morning and midday and 50 mg at bed time) or placebo for 4 weeks. Ninety-two patients (46 in each group) completed the trial. After 4 weeks, complete healing had been achieved in 70% of the pirenzepine-treated patients and in 32% of the placebo-treated ones (P less than 0.01). No important side-effects and no abnormal changes in blood values or urinalysis were observed during treatment. The difference in the ulcer healing rates observed in the two parts of this multicentre trial is briefly discussed.
In 12 X-ray and gastroenterology departments 1570 patients, clinically suspected to have a gastric pathology, have been examined by double contrast (surface) examination of the stomach followed by gastroscopy. Diagnostic accuracy was 93% in respect of endoscopic data, assumed correct by hypothesis. On the basis of a cost and benefit evaluation, made according to the well known criteria, a wider routine use of the double contrast technique is proposed.
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Cimetidine, a H2-receptor inhibitor was able to prevent the development of gastric ulcers induced in rats by chronic administration of prednisolone and hydrocortisone associated to fasting. The results suggest that cimetidine may be used in patients under long term steroid treatment.
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There is no agreement in the literature as regards the carrying out of the Secretin-Pancreozymin test in order to achieve the greatest accuracy in the diagnosis of pancreatic insufficiency. In this study the results obtained by bolus i.v. injection of Secretin and Pancreozymin GIH are compared with those obtained by i.v. infusion of the hormones. The test - always prolonged for one hour - was done in 125 subjects, divided into two groups matched for sex, age and pancreatic or digestive disease. Volume, pH, bicarbonates, calcium and amylase were measured in the juice collected. The results showed that bolus i.v. injection of Secretin and Pancreozymin has greater diagnostic sensitivity (94%) than the infusion method (84%). If infusion is used, it is necessary to protract the test for more than one hour.
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The serum immunoglobulin levels, the presence of circulating autoantibodies, the number of peripheral "atypical" lymphocytes and the number of DNA and RNA synthesizing mononuclear cells were studied in a group of "healthy" HB-Ag (australia Antigen) carriers and in a group of healthy HB-Ag negative control subjects. In the HB-Ag carriers, in spite of the persistent antigenaemia, all these immunological findings were normal (as in the control subjects).
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