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- Title
Risk Factors for Ureteral Damage in Ureteroscopic stone Treatment: Results of the German Prospective Multicentre Benchmarks of Ureterorenoscopic Stone Treatment-Results in Terms of Complications, Quality of Life, and Stone-Free Rates Project.
- Authors
Lebentrau, Steffen; Müller, Philippe-Fabian; Miernik, Arkadiusz; Schönthaler, Martin; Gilfrich, Christian; Peter, Julia; Schostak, Martin; May, Matthias
- Abstract
Background: The Post-Ureteroscopic Lesion Scale (PULS) is a validated, standardised scale that classifies iatrogenic ureteral lesions during ureteroscopy (URS). Objective: To determine risk factors for the various PULS-grades caused by URS. Method: We prospectively investigated the independent influence of various risk factors in correlation with PULS-Grade 1+ and 2+ on 307 patients with ureterorenoscopic stone treatment from 14 German urologic departments. Results: The following are the outcomes of the study: 117 (38.4%) and 188 (61.6%) of the calculi (median stone size 6 mm) were found in the kidney or ureter; 70% and 82.4% underwent preoperative or postoperative ureteral stenting; 44.3 and 7.2% received laser or ballistic lithotripsy; 60% of the patients presented with PULS grade 1+ and 8% with PULS grade of 2+. Only intracorporal lithotripsy revealed a significant independent risk factor for PULS grade 1+ or 2+. Both laser and ballistic therapies raised the probability of PULS grade 1+ by the factors 3.6 (p < 0.001) and 3.9 (p = 0.021), respectively. The ORs in conjunction with PULS grade 2+ were 3.1 (p = 0.038) and 5.8 (p = 0.014) respectively. Neither endpoint exhibited a significant difference regarding the lithotripsic procedure (laser vs. ballistic). Conclusion: Intracorporal lithotripsy is associated with a significant increase in damage to the ureter; further research is needed to determine its long-term effects.
- Subjects
RENAL colic; URETER diseases; LASER lithotripsy; DISEASE risk factors; QUALITY of life; KIDNEY stones; URETERS; LITHOTRIPSY
- Publication
Urologia Internationalis, 2019, Vol 102, Issue 2, p187
- ISSN
0042-1138
- Publication type
Article
- DOI
10.1159/000495072