[Extracorporeal shockwave lithotripsy in the treatment of common bile duct calculi]

Fifteen patients with stones in the common bile duct, in whom treatment with endoscopic papillotomy and stone-extraction had been unsuccessful were treated with extracorporeal shockwave lithotripsy. Nine patients were stone-free after one or two sessions, and two patients after further endoscopic treatment. One patient achieved partial clearance and palliation. One patient had a choledochoduodenostomy performed due to ineffectiveness of the shockwave lithotripsy. Two patients, who were thought to have a stone, turned out to have neoplasma in the common bile duct. Complications were frequent but temporary and needed no treatment. We conclude that extracorporeal shockwave lithotripsy is a valuable and safe alternative in those cases where conventional endoscopic treatment has failed, and should be considered before operation, especially to old for high-risk patients.