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RIRS/fURSSemi-rigid UreterosopyUreteroscopy

Evidence for Ureterorenoscopy and Laser Fragmentation (URSL) for Large Renal Stones in the Modern Era

By August 1, 2015October 25th, 2021No Comments

Robert Geraghty 1Omar AbourmarzoukBhavan RaiChandra Shakhar BiyaniNicholas J RukinBhaskar K Somani

Curr Urol Rep. 2015 Aug;16(8):54.

Abstract

Large renal stones (>2 cm) are managed with percutaneous nephrolithotomy (PCNL), which has a good stone-free rate (SFR) but a relatively high incidence of complications graded Clavien ≥ 3. We wanted to review the literature for the use of ureterorenoscopy and laser fragmentation (URSL) for the management of these stones. A systematic review was done from 1990 to April 2014 for all English language articles reporting on a minimum of 10 patients for stones >2 cm in size (done by 2 reviewers independently) in accordance with the PRISMA and Cochrane review guidelines. A total of 379 articles were identified and after screening for the titles (54) and abstracts (29), 12 papers (651 patients) were included. The male to female ratio was 356:232 with a mean age of 54 years (range 16-86 years). With a mean stone size of 2.7 cm (2-3.15 cm) and the mean operating time of 96 min (28-238 min); the SFR was 91 % (1.45 procedures/patient). The overall number of complications was 58 (8.6 %) of which 26 (4.5 %) were complications classed Clavien ≥ 3 (haematuria with subcapsular haematoma/clot retention-7; ureteral perforation-7; steinstrasse-5; sepsis/pyelonephritis-5; prostatitis-1; cerebrovascular accident-1). Ureterorenoscopy for large renal stones in the modern era has good SFR with a small risk of major complications.

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