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  • Title: Electrohydraulic lithotripsy of upper ureteral calculi with semirigid ureteroscope.
    Author: Yang SS, Hong JS.
    Journal: J Endourol; 1996 Feb; 10(1):27-30. PubMed ID: 8833726.
    Abstract:
    Forty-three patients with single ureteral calculi located above the pelvic brim were treated by electrohydraulic lithotripsy (EHL) using a semirigid mini-ureteroscope. Of the 43 calculi, 36 (84%) were fragmented in one procedure. Six calculi (14%) were pushed back to the renal pelvis and treated successfully by complementary extracorporeal shockwave lithotripsy (SWL). The total success rate of ureteroscopic manipulation thus was 98%. The operation time (mean 26.4 minutes) and postoperative hospital stay (mean 2.53 days) were relatively short. Complications were limited to four (9%) minor perforations of the ureter managed by internal stenting. Among these patients with complications, there were no significant ureteral strictures noted on excretory urography or ureteroscopic examination 1 to 3 months after ureterolithotripsy. The costs of ureteroscopy with EHL are lower than that of SWL or ureteroscopic lasertripsy. The total fees for ureteroscopy with EHL are about two thirds those for SWL in Taiwan. Despite the longer learning curve required for ureteroscopy, ureteroscopy associated with EHL is a cost-effective alternative for the treatment of upper ureteral calculi, especially when SWL is not readily available.
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