[Piezo-ceramic lithotripsy applied to calculi of the bile ducts. Experiences with 45 patients].

Forty five patients with gallbladder stones has been treated by extracorporeal lithotripsy with piezoceramic lithotripter. The efficacy, the safety and the side effects of the treatment had been evaluated. In 40 patients the stone was completely broken, 35 patients needed more than a single treatment (1 to 5). All the treatments were carried out in local anesthesia without any analgesia drug. No one patients complained for any pain. The side effects recorded were 3 cases of microscopic hematuria, 2 cases slight increase of serum parameters of hepatic functionality, in 7 cases skin petecchiae. No mayor effects were noted.