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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
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2015 (Engelska)Ingår i: Progrès en urologie (Paris), ISSN 1166-7087, Vol. 25, nr 1, s. 27-33Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

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.

Ort, förlag, år, upplaga, sidor
2015. Vol. 25, nr 1, s. 27-33
Nyckelord [en]
Partial nephrectomy, Solitary kidney, Nephron-sparing surgery, Renal function
Nationell ämneskategori
Kirurgi
Identifikatorer
URN: urn:nbn:se:umu:diva-101417DOI: 10.1016/j.purol.2014.09.039ISI: 000349935800005PubMedID: 25450751OAI: oai:DiVA.org:umu-101417DiVA, id: diva2:805951
Tillgänglig från: 2015-04-17 Skapad: 2015-03-30 Senast uppdaterad: 2018-06-07Bibliografiskt granskad

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