Comparative Results of Extracorporeal Shock Wave Lithotripters with Three Kinds of Shock Wave Generator

Abstract

was lower in group C than in groups A and B. According to the location, group C had a lower success rate than groups A and B for renal stones, while there were no differences between the three groups in the treatment of other stone locations. The number of treatment sessions for group A was greater than those for groups B and C (group A, 3.83; group B, 1.85; group C, 1.93). Many more sessions were required for group A in comparison with groups B and C in case of renal stones, ureteropelvic junction and upper ureteral stones. The number of sessions for group B was the least for lower ureteral stones. Complications, including stein- strasse, fever, perirenal hematoma and hematuria, were detected in groups A, B and group C at 10, 15.3 and 7.1%, respectively. Conclusions: There were no differences in the success rates between the three extracorporeal shock wave lithotripters using a shock wave gener- ator. The mean number of treatment sessions was most with the pie- zoelectric type; whereas, complications were most prevalent with the electromagnetic type. (Korean J Urol 2007;48:54-60) ꠏꠏꠏꠏꠏꠏꠏꠏꠏꠏꠏꠏꠏꠏꠏꠏꠏꠏꠏꠏ