Electrohydraulic lithotripsy in 111 patients: a safe and effective therapy for difficult bile duct stones.

Background: Choledocholithiasis and intrahepatic bile duct stones pose a significant health hazard, especially in the elderly. The large stone not removable with conventional endoscopic techniques, can be effectively and safely managed with electrohydraulic lithotripsy (EHL).

Methods: This study is a retrospective review of consecutive patients at the Wellesley Central Hospital and St.