ObjectiveThe study was undertaken to correct or reaffirm current recommendations based on old observations of doubtful validity because of their lack of routine colonoscopy, scintigraphy, or angiography. MethodPatterns of bleeding were derived from transfusion records of 78 patients admitted 106 times for lower gastrointestinal bleeding with no detectable cause other than colon diverticula. ResultBleeding stopped spontaneously in 82 of 108 episodes and in 66 of 67 patients requiring less than four units of transfusion on any day. When four or more units were required in a day, 25 of 42 patients required emergency surgery. When a bleeding site was identified and removed, only 1 of 25 patients bled again from another diverticulum. After discharge without surgery, 28 of 73 began to bled again. After "blind" colectomy and ileoproctostomy, four of seven patients developed leaks or abscesses, and two died. Conclusions

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With routine endoscopy, histamine antagonists, proximal gastric vagotomy (PGV) and declining prevalence of duodenal ulcers, morbidity and mortality of ulcer surgery should have declined. Two hundred thirty-four ulcer operations performed since 1976 were compared with 778 between 1961 and 1971. The hospital mortality rate has increased from 2.7 to 14.5%. Increased mortality was related to a doubling of the rate of emergency operations over age 50 and to a 94% decline in elective operations under 50. Mortality was increased by the need for emergency operations and more by concurrent diseases than by old age. Few operations could have been avoided by earlier elective surgery. Most perforations and hemorrhages occurred from previously unsuspected ulcers, many in patients being treated for other advanced or terminal diseases. Although most deaths occurred in this group, 42% survived. Such patients should be expeditiously offered the definitive operations most appropriate to the locations of their ulcers. Since 1976 among 200 survivors, 20 ulcers have recurred. Most recurred after PGV was tried for pyloric and prepyloric ulcers (8 of 16 recurred) and after previously untreated perforated ulcers were simply closed (4 of 11 recurred). The authors so far have one recurrence after 43 PGVs for duodenal ulcers. These recurrences confirm the need for vagotomy in perforated duodenal ulcer and for resection of ulcers proximal to the duodenum.

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