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[Urinary complications of one-stitch ureteroneocystostomy in renal transplantation].

Abstract : PURPOSE: To assess urinary complications related to the "one-stitch" technique extravesical ureteroneocystostomy in renal transplantation, and evaluate the impact of such complications on kidney graft and patient survival. PATIENTS AND METHODS: A single-institution, retrospective study was performed on 202 renal transplant recipients, from January 2004 to December 2008. Two combined kidney and liver transplantations were excluded. The "one-stitch" extravesical ureteroneocystostomy technique, fast and easy to perform, was systematically used. The evaluated urinary complications were urinary fistula, ureteral stenosis, symptomatic ureteral reflux, stone formation and complicated hematuria. We tried to point out factors impacting urinary complications occurrence and studied grafts and patients survival according to the existence of urinary complications. RESULTS: Fifty-five patients presented urinary complications (27.5%). The most frequent urinary complications were complicated hematuria (36 over 200, 18%), ureteral stenosis (15 over 200, 7.5%). Few cases of stone disease (one over 200, 0.5%), urinary fistula (two over 200, 1%) and symptomatic ureteral reflux (one over 200, 0.5%) were noted. Male gender (100 vs 34, P=0.95), age (46.78 ± 14.17 vs 48.06 ± 14.19 years, P=0.58), Body mass index (24.14 ± 5.04 vs 24.28 ± 4.83, P=0.86) and past history of renal transplantations (16 ± 3% vs 10 ± 3%, P=0.27) as well as cold ischemia time (17.08 ± 7.07 vs 16.9 ± 8.95 hours, P=0.71) were not significantly different in the urinary complications group and the non-urinary complications group. Median hospitalization time was similar in both groups (14 vs 12 days, P=0.37). The existence of urinary complications didn't affect the 5 years kidney graft survival (91.9% vs 89.9%, HR 1.21, CI 95% [0.37-3.3], P=0.83) neither the 5 years patient survival (94.8% vs 92.15%, HR 0.52 CI 95% [0.13-2.07], P=0.85). CONCLUSION: If benign urinary complications in "one-stitch" ureteroneocystostomy were frequent in our study (17% grade II Clavien Dindo), kidney graft and patients survivals were not affected.
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https://www.hal.inserm.fr/inserm-00722674
Contributor : Philippe Saas <>
Submitted on : Friday, August 3, 2012 - 9:12:10 AM
Last modification on : Wednesday, September 16, 2020 - 10:43:28 AM

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N. Bardonnaud, P. Pillot, G. Guichard, J. Lillaz, G. Delorme, et al.. [Urinary complications of one-stitch ureteroneocystostomy in renal transplantation].. Progrès en Urologie, Elsevier Masson, 2012, 22 (1), pp.22-9. ⟨10.1016/j.purol.2011.08.040⟩. ⟨inserm-00722674⟩

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