This prospective single-arm interventional study evaluated the efficacy and safety of flexible ureteroscopy for the treatment of large renal stones measuring 2 cm or more in pediatric patients. All enrolled participants underwent flexible ureteroscopic stone disintegration using a single-use flexible ureteroscope and Holmium laser lithotripsy. The study was designed to assess whether this minimally invasive approach could provide effective stone clearance with acceptable perioperative safety in children with large renal stones.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
90
Flexible ureteroscopy was performed using a 7.5-Fr single-use flexible ureteroscope. Renal stones were fragmented with a Holmium:YAG laser. A ureteral access sheath was used when feasible, and a double-J ureteral stent was placed at the end of the procedure.
Ain Shams University Hospitals
Cairo, Egypt
Stone-Free Rate After Flexible Ureteroscopic Stone Disintegration
Stone-free status was assessed by computed tomography of the urinary tract (CTUT) after flexible ureteroscopic stone disintegration. The proportion of participants meeting the study-defined criteria for stone-free status was recorded.
Time frame: 1 month after the procedure
Operative Time
Duration of the flexible ureteroscopic procedure was recorded for each participant.
Time frame: Intraoperatively
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