Isolated obstruction of the splenic vein leads to segmental portal hypertension, which is a rare form of extrahepatic portal hypertension, but it is important to diagnose, since it can be cured by splenectomy. In a review of the English literature, 209 patients with isolated splenic vein obstruction were found. Pancreatitis caused 65% of the cases and pancreatic neoplasms 18%, whereas the rest was caused by various other diseases. Seventy-two per cent of the patients bled from gastroesophageal varices, and most often the bleeding came from isolated gastric varices. The spleen was enlarged in 71% of the patients. A correct diagnosis in connection with the first episode of bleeding was made in only 49%; 22% were operated on because of gastrointestinal bleeding, but the cause of bleeding was not found. The diagnosis should be suspected in patients with gastroesophageal varices, but without signs of a liver disease, especially if isolated gastric varices are found. The diagnosis is confirmed by portography.

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In a multi-centre double-blind (double-dummy) trial the effectiveness of low-dose antacid gel (6 X 12 ml/d; neutralisation capacity 120 mmol) was compared with that of a standard dose of cimetidine (1 g/d) in the curative treatment of gastric ulcer. Antacid gel was given to 65 patients, cimetidine to 60. Diagnosis was confirmed by endoscopic biopsy, which was also employed in a serial follow-up. After 4 weeks antacid gel and cimetidine produced cures in 43% and 52%, respectively; after 8 weeks 76% and 89%, respectively, the difference between the two methods not being statistically significant. There was also no statistically significant difference with regard to ulcer pain. In one case each in the antacid and cimetidine groups, the treatment had to be stopped because of side effects. Diarrhoea was more common on cimetidine than on antacid gel. It is concluded that both low-dose antacids gels and cimetidine are suitable in the treatment of gastric ulcers.