Abstract
The results of the 1974 A/S/G/E survey of complications relating to colonoscopy and polypectomy are analyzed. Members reported 25, 298 diagnostic colonoscopies with a morbidity of 0.32% and a mortality of 0.008%. The most common complication of diagnostic colonoscopy was perforation (55 cases or 0.22%). The only fatalities (2) were associated with perforation. There were 6, 214 colonoscopic polypectomies reported with a morbidity of 2.3 % and no mortality. The most common complication of polypectomy was hemorrhage (115 casesor 1.9%).