Background. Extracorporeal shock wave lithotripsy (ESWL) has progressively acquired popularity as being the gold standard\r\ntreatment for upper urinary tract lithiasis in infants since 1980. Our aim was to evaluate the outcome of ESWL for kidney stones\r\nand the use of double-J stent in infants.Material andMethods. A prospective clinical trial study performed on 50 infants with renal\r\ncalculi at pelvic admitted in the Urology ward of Shafa Hospital, Sari, Iran, between 2001 and 2010. Main outcome measure of\r\nour study was clearing stones after one or more consecutive sessions of ESWL. Results. The study included 50 patients with renal\r\ncalculi at pelvic. Among them, there were 35 (70%) boys and 15 (30%) girls with the age ranging from 1 to 13 months (mean of 7\r\nmonth �± 3 days). All of them were treated by standard ESWL using Simons Lithostor plus machine. The stone sizes ranged from\r\n6mm to 22 mm. Double-J stents were placed in 11 infants (22%) with stones larger than 13 mm. Most of the patients required\r\nonly one ESWL session. Conclusion. Since there were no complications following ESWL treatment, we can conclude that, in short\r\nterm, ESWL is an effective and safe treatment modality for renal lithiasis in infants. In addition, we recommend double-J stent in\r\ninfants with stones larger than 13 mm.
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