In this study, a fatal of 134855 patients who underwent upper gastrointestinal tract endoscopy werestudied.229 autopsy cases at our hospital between 1976and 1991, 4400 cases with liver diseases, 635 caseswith puimanary diseases and 653 eases underhemodialysis controi were also studied. Endoscopictreatment far the centrol of hemorrhage was appliedto 552 gastric and 114 duodenal ulcers. We experienced 380 cases who underwent operation due tobleeding gastric or duodenal ulcers. The incidence of gastric ulcers aut of 134855 was 5.8%, 8.0% of which was bleeding gastric ulcers. The incidence of duodenal ulcers was 2.3%, 4.3%ofwhich was bleeding orres. The incidence of active gastric and duodenal ulcers in autopsy cases was 10.7% and 4.1%, respectively. Bleeding gastriculcers were found in 13.4%of active gastric ulcers.The incidence of gastric ulcers among cases withliver cirrhosis was 6.6%, 26.5% of which was bleeding gastric ulcers. The incidence of duodenal ulcersin the same group was 2.2%, 15.3%of which wasbleeding ones. Gastric ulcers were detected in 5.0% of cases with lung cancer and in 7.4% of cases with pneumonoconiosis. Among hemodialysis cases, theincidence of gastric ulcers was 5.3%, 25.7% of whichwas bleeding ones. Among the same group, the incidence of duodenal ulcers was 1.8%, 58.3% of whichwas bleeding ones. Permanent hemostasis wasachieved in 95.2% of cases with gastric ulcers byendoscopic local injection of hypertonic saline epinephrine(HSE). Parmanent hemostasis was successfulin 86.8% of cases with duodenal ulcers. The resultsof hemostasis were greatly influenced by underlyingdiseases. Endoscopic arrest of hemorrhage seems tohave rnarkedly reduced the rate of emergency operation for patients with bleeding gastric and duodenalulcers.
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