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Published in: World Journal of Surgical Oncology 1/2013

Open Access 01-12-2013 | Research

Predictors of postoperative renal functional damage after nephron-sparing surgery

Authors: Jun Qi, Yongjiang Yu, Tao Huang, Qiang Bai, Jian Kang, Junhao Liang, Yu Wu

Published in: World Journal of Surgical Oncology | Issue 1/2013

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Abstract

Background

Although nephron-sparing surgery has been reported not to affect total renal function, it is a non-negligible fact that functional damage of the operated kidney usually results, for various reasons. This study aimed to explore the effects of preoperative baseline characteristics, tumor characteristics, and function protection methods on postoperative renal damage.

Methods

This study was a retrospective review of 51 patients who underwent open nephron-sparing surgery. The mean age of the patients (39 men, 12 women) was 54.2 ± 13.9 years, range 32 to 71 years. The glomerular filtration rate (GFR) was measured preoperatively and 6th months after the operation. Univariate analysis was used to screen indicators with significant differences in different levels of renal function damage. All variables found to be significant on univariate analysis were entered into a multiple logistic regression model to predict risk factors for renal function damage.

Results

Univariate analysis showed that there was a significant difference in age, GFR of operated kidney, tumor diameter, tumor depth, and ischemic protection type between patients with little damage and those with heavy damage (P < 0.05). Forward stepwise logistic regression analysis suggested that age (odds ratio, 3.08; 95% confidence interval 1.78 to 7.04; P = 0.037), preoperative GFR of operated kidney (odds ratio, 0.51; 95% confidence interval 0.11 to 0.73; P = 0.033), and tumor diameter (odds ratio, 5.49; 95% confidence interval 2.14 to 7.88; P = 0.012) and depth (odds ratio, 5.82; 95% confidence interval 2.66 to 8.06; P = 0.010) were independent risk factors for postoperative renal function damage.

Conclusions

Patients with older age, poor renal function, and large tumor diameter and depth might be at higher risk of renal function damage after nephron-sparing surgery.
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Metadata
Title
Predictors of postoperative renal functional damage after nephron-sparing surgery
Authors
Jun Qi
Yongjiang Yu
Tao Huang
Qiang Bai
Jian Kang
Junhao Liang
Yu Wu
Publication date
01-12-2013
Publisher
BioMed Central
Published in
World Journal of Surgical Oncology / Issue 1/2013
Electronic ISSN: 1477-7819
DOI
https://doi.org/10.1186/1477-7819-11-216

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