Abstract
The advantages of endoscopic retrograde cholangiopancreatography (ERCP) over open surgery make it the predominant method of treating choledocholithiasis. Today, technologic advances such as magnetic resonance cholangiopancreatography and laparoscopic surgery are challenging ERCP's primacy in the management of common bile duct (CBD) stones. This article reviews the current status of endoscopic treatment of biliary stones and examines this in relation to laparoscopic management. The techniques and safety of endoscopic sphincterotomy and balloon sphincteroplasty are reviewed. Balloon sphincteroplasty should be limited to study protocols because of safety questions and inherent limitations. After sphincterotomy, 85% to 90% of CBD stones can be removed with a Dormia basket or balloon catheter. These techniques are described as having both advantages and disadvantages. Methods for managing "difficult stones" include mechanical lithotripsy, intraductal shock wave lithotripsy, extracorporeal shock wave lithotripsy, chemical dissolution, and biliary stenting. These approaches are presented along with data supporting their use in specific situations. Laparoscopic cholecystectomy has emerged as the preferred alternative to open cholecystectomy. Parallel advances in the endoscopic and laparoscopic management of CBD stones have made the issue regarding the optimal treatment strategy complex. Three approaches to the management of choledocholithiasis in the laparoscopic era are presented as follows: strict therapeutic splitting, flexible therapeutic splitting, and strict laparoscopic management. The optimal approach needs to be defined in prospective comparative trials. For now, preoperative endoscopic stone extraction should still be recommended as the approach of choice in patients suspected to have CBD stones based on clinical, biochemical, and imaging parameters. Primary laparoscopic evaluation and management is reasonable in patients who have a low-to-moderate probability of having CBD stones.
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