Randomised clinical trial of two bypass operations for unresectable cancer of the pancreatic head

Abstract

Objective: To compare two different types of prophylactic gastric bypass in patients with cancer of the pancreatic head who were not suitable for curative resection. Design: Prospective study. Setting: University hospital, Turkey. Subjects: 44 patients with unresectable cancer of the pancreatic head without duodenal obstruction who presented between May 1995 and June 2000 who were randomised into 2 groups. Interventions: 22 patients had an antecolic, isoperistaltic gastrojejunostomy, jejunojejunostomy, and hepaticojejunostomy after cholecystectomy. The remaining 22 had a hepaticojejunostomy and antecolic, antiperistaltic gastrojejunostomy procedure after cholecystectomy. Main outcome measures: Mortality, morbidity, postoperative course, and survival. Results: There were no significant differences between the groups in the incidence of postoperative complications, time until restoration of oral diet, relaparotomy rate, late upper gastrointestinal bleeding, mortality, duration of hospital stay, and survival. The isoperistaltic operation took significantly longer than the antiperistaltic operation (p < 0.001) and there was less delayed gastric emptying in the antiperistaltic group but not significantly so. Both operations caused a significant lengthening in the postoperative gastric emptying time (p = 0.04 and p = 0.01, respectively). Conclusions: Both procedures are suitable for patients with unresectable carcinoma of the pancreatic head without impending duodenal obstruction. There was a trend towards better clinical results with the isoperistaltic procedure.