A prospective, randomized clinical investigation ofcholecystoenterostomy and choledochoenterostomy

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Summary

A prospective, randomized clinical trial was conducted to assess the efficacy of bilioenteric bypass in noncalculous distal biliary obstruction. Thirty-one patients required bypass for either malignant obstruction or chronic pancreatitis and were randomized into two groups: cholecystoenterostomy or choledochoenterostomy with cholecystectomy [15, 16]. Nine bypasses failed after cholecystoenterostomy and two after choledochoenterostomy (p<0.04). Eight of the 9 failures occurred in the subgroup of 22 patients with malignant biliary obstruction. In this subgroup, five bypasses failed within 90 days of operation, all after cholecystoenterostomy (p=0.03 compared with choledochoenterostomy). The results indicate that choledochoenterostomy is the superior operation for malignant distal biliary obstruction. Additional studies will be necessary to identify the procedure of choice for benign noncalculous obstructions.

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1

From the Department of Surgery, University of California, Irvine and the Surgical Service, Long Beach Veterans Administration Medical Center, Long Beach, California.

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