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- Bahi, R., et al.
(författare)
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Ischemia is not an independent predictive factor of chronic renal failure after partial nephrectomy in a solitary kidney in patients without pre-operative renal insufficiency
- 2015
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Ingår i: Progrès en urologie (Paris). - : Elsevier BV. - 1166-7087. ; 25:1, s. 27-33
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Tidskriftsartikel (refereegranskat)abstract
- Objective: To assess the influence of vascular clamping and ischemia time on long-term post-operative renal function following partial nephrectomy (PN) for cancer in a solitary kidney.Patients and methods: This is a retrospective study including 259 patients managed by PN between 1979 and 2010 in 13 centers. Clamping use, technique choice (pedicular or parenchymal clamping), ischemia time, and peri-operative data were collected. Pre-operative and last follow-up glomerular filtration rates were compared. A multivariate analysis using a Cox model was performed to assess the impact of ischemia on post-operative chronic renal failure risk.Results: Mean tumor size was 4.0 ± 2.3 cm and mean pre-operative glomerular filtration rate was 60.8 ± 18.9 mL/min. One hundred and six patients were managed with warm ischemia (40.9%) and 53 patients with cold ischemia (20.5%). Thirty patients (11.6%) have had a chronic kidney disease. In multivariate analysis, neither vascular clamping (P = 0.44) nor warm ischemia time (P = 0.1) were associated with a pejorative evolution of renal function. Pre-operative glomerular filtration rate (P < 0.0001) and blood loss volume (P = 0.02) were significant independent predictive factors of long-term renal failure.Conclusion: Renal function following PN in a solitary kidney seems to depend on non-reversible factors such as pre-operative glomerular filtration rate. Our findings minimize the role of vascular clamping and ischemia time, which were not significantly associated with chronic renal failure risk in our study.
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