Transurethral fragmentation of bladder stone in children: Our experience
Keywords:Urinary bladder stone, Children, Endoscopic, Trans-urethral, Fragmentation
Background: This study is performed to find the outcome of transurethral fragmentation and clearance of bladder stones in children as well as assessment of stone recurrence after the procedure.
Methods: It was a retrospective analysis of the medical record of 365 patients with bladder stones, treated with transurethral fragmentation at the Department of Pediatric Urology, The Children’s Hospital and the Institute of Child Health, Lahore, over a period of 5 years. Bladder stones were fragmented by using ureterorenoscope (URS) and pneumatic Lithotripsy under general anesthesia. Patients were asked to void next day for spontaneous passage of stone fragments. Duration of procedure, hospital stay, peroperative, and postoperative complications were recorded on a self-structured proforma. The collected data was analyzed with SPSS, version 22.
Results: The mean age of the patients was 4.7 ±2.31 years, and male to female ratio was 6:1. Clinical presentation was painful micturition with milking of penis (55%), followed by straining during micturition (17.5%), urinary retention (10%), increased frequency of urine (8%), febrile UTI (7.5%), and hematuria (2%). The mean stone size on ultrasound was 17.2 ±3.8 mm (Range 7-25 mm). The average operating time was 18 minutes (Range: 12-35 minutes). The transurethral fragmentation was successfully done in all (100%) patients. Average hospital stay was 24 hours. Most patients (98.5%) passed all stone fragments in urine & were stone free at one week, confirmed by ultrasound and X-Ray Kidney, Ureter, and Bladder (KUB). Postoperative minor complications were found in (6%) patients including hematuria (3%), dysuria (2%), febrile UTI (1%), failure to void (0.5%). Stone recurrence was 0.27% and no urethral stricture was noted up to one year follow up.
Conclusion: Endoscopic treatment of bladder stone in children appears effective and safe by fragmenting the stone into multiple small pieces, which passed out spontaneously without any need for extraction of stone. The associated complications and recurrence rate are very negligible.
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