Comparative efficacy of pre-stented versus non-stented retrograde intrarenal surgery: A randomized controlled trial

Pre-stenting prior to RIRS significantly enhances surgical outcomes, including improving access sheath insertion success, reducing operative time, and increasing the stone-free rate without a substantial increase in complications. These findings suggest that routine pre-stenting can be beneficial in patients undergoing RIRS for nephrolithiasis, leading to more efficient procedures and improved results.