Background: The present study was aimed to determine the frequency of urinary tract stones and estimate success rate of ESWL procedure in three general hospitals in Lorestan province, Iran.
Materials and Methods: In this cross- sectional study, a total of 336 patients referring to the three lithotripsy wards for lithotripsy were included. The lithotripters: PIZOLIT-3300WOLF, SLKMODULITH-STORZ, GENEMED-190 were used in Shafa, Tohid and Shohada Ashayer hospitals, respectively. The Chi-square test was applied to evaluate the univariate association between independent variables and outcome. P < 0.05 was considered to be statistically significant.
Results: The results showed that the highest success rate was observed by WOLF lithotripter in Shafa hospital with success rate of 72%. The perfect success rate for the ureter stones was 40%, and the relative success and failure rates were equal to 32% and 26%, respectively.
Conclusion: Although three lithotripters with different specifications were included in this study, there is no significant differences in perfect and relative success rate. In addition, the results showed that the most success rate was obtained in stones lesser than 10 mm sizes and bigger than 10 mm the rate of success will be reduced.
Thomas R، Cass AS: Extracorporeal shock wave lithotripsy in morbidly obese patients. J Urol. 1993; 150: 30-2
Koo BC، Burtt G، Burgess NA: Percutaneous stonesurgery in the obese: outcome stratified according to body mass index. BJU Int. 2004; 93: 1296-9.
Troy AJ، Anagnostou T، Tolley DA: Flexible upper tract endoscopy. BJU Int. 2004; 93: 671-9.
Kerbl K، Rehman J، Landman J، et al. Current management ofurolithisasis: progress or regress? J Endourol 2002;16:281–8.
Türk C، Knoll T، Petrik A، Sarica K، Seitz C، Straub M، Knoll T. EAU Guidelines on Interventional Treatment for Urolithiasis. Eur Urol. 2016;69(3):475-82.
Lingeman JE. Prospective randomized trial of extracorporealshock wave lithotripsy and percutaneous nephrostolithotomyfor lower pole nephrolithiasis: initial long-termfollow up. J Endourol 1997;11:95.
Keshvari M, Darabi Mohammad R, Shakibi M.Comparison Of Distal Ureter Stones Treatment With Extracorporeal Shock Wave Lithotripsy And Transurethral Lithotripsy Techniques. Journal Of Gorgan University Of Medical Sciences. 2010 ; 2 (34):53-57.
Peschel R، Janesschek G، Bartsch G. Extra corporeal shock wave lithotripsy versus ureteroscopy for distal ureteral calculi: a prosepctive randomized study. J Urol. 1999 Dec; 162(6):1909-1912
Saedi D, Moulavi M. Association between some CT characteristics of renal stones and extracorporeal shockwave lithotripsy success rate. Tehran Univ Med J. 2012; 70 (3) :169-175
Hollander JB، Van Horn AC، Knapp PM JR. In vitro calcium oxalate lithotripsy: comparison ofDornier hm3 and Siemenslitho star. J Endourol 1993; 7(6):461-4.
Chaussy C، Schuller J، Schmiedt E، Brandl H، Jocham D،Liedl B. Extracorporeal shock-wave lithotripsy (ESWL) fortreatment of urolithiasis. Urology 1984;23:59–66.