期刊
EUROPEAN UROLOGY
卷 73, 期 1, 页码 53-59出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.eururo.2017.07.038
关键词
Mannitol; Partial nephrectomy; Renal function; Nephron-sparing surgery
资金
- Memorial Sloan Kettering Cancer Center
- NIH/NCI Cancer Center [P30 CA008748]
Background: Mannitol is currently used as a renal protective agent to mitigate the effects of renal ischemia during nephron-sparing surgery (NSS). This routine practice lacks rigorous methodological study. Objective: To assess the effect on renal function outcomes after surgery of mannitol infusion prior to renal ischemia during NSS. Design, setting, participants: This prospective, randomized, placebo-controlled, double-blind trial included 199 patients with a preoperative estimated glomerular filtration rate (eGFR) >45 ml/min/1.73m(2) scheduled for NSS; the trial was conducted between July 2012 and July 2015. Intervention: Patients undergoing NSS were randomized to receive mannitol (12.5 g) or placebo intravenously within 30 min prior to renal vascular clamping. Outcome measurements and statistical analysis: The primary outcome was the difference in eGFR (renal function) between the two groups at 6 mo following surgery assessed with an analysis of covariance model using preoperative eGFR, treatment group, and surgical approach as covariates. Results and limitations: At baseline, the median age of the patients was 58 yr, and the median eGFR was 88 ml/min/1.73m(2). Comparing placebo with mannitol infusion, the adjusted difference of 0.2 eGFR units at 6 mo was not significant (p = 0.9), with the upper bound of the 95% confidence interval (-3.1 to 3.5) excluding a clinically relevant effect of mannitol. Limitations include evaluation of a single mannitol dose and patients all had excellent preoperative renal function. Conclusions: Intraoperative 12.5 g mannitol infusion during NSS has no demonstrable clinical benefit when compared with standardized fluid hydration in patients with normal preoperative renal function, and its use in this setting is not warranted. (c) 2017 European Association of Urology. Published by Elsevier B.V. All rights reserved.
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