Predictive value of neutrophil-to-lymphocyte ratio and platelet-to-lymphocyte ratio for systemic inflammatory response syndrome after percutaneous nephrolithotomy
WANG Yixiang1, LI Mingshan1, LIU Yili1, WANG Ping1
Department of Urology, the Fourth Hospital Affiliated to China Medical University, Shenyang 110032, China
Abstract:Objective: To explore the predictive value of preoperative neutrophil-lymphocyte ratio (NLR) and platelet-lymphocyte ratio (PLR) for the development of postoperative systemic inflammatory response syndrome (SIRS) in percutaneous nephrolithotomy (PCNL). Methods: In the present study, we retrospectively recorded clinical data of 147 renal stone patients undergoing PCNL between 2015 and 2018. Forty-one out of 147 (27.9%) patients developed to SIRS after surgery. We divided patients into SIRS group and non-SIRS group. The relationship between the occurrence of postoperative SIRS and preoperative NLR, PLR and other clinical indexes was analyzed. The binary logistic regression was used to detect independent risk factors for SIRS after PCNL. Results: The univariate analysis revealed that the SIRS patients had significantly higher values of preoperative NLR (P=0.012), preoperative PLR (P<0.001), hemoglobin decrease (P=0.035) and rate of residual stones (P=0.026) than non-SIRS patients. The Multivariate analysis suggested that only PLR was the independent factor for the development of SIRS. The ROC analysis showed the best cut-off value of PLR in predicting postoperative SIRS was 130.8, and the values of AUC, sensitivity and specificity were 87.3%, 63.4% and 85.0% respectively. Conclusion: Preoperative PLR is an effective index in predicting the occurrence of SIRS after PCNL. Preoperative interventions to prevent the development of postoperative SIRS are imperative for renal stone patients with PLRs more than 130.8.
王羿翔, 李明山, 刘屹立, 王平. 两种淋巴细胞比预测经皮肾镜碎石取石术后全身炎症反应的作用[J]. 微创泌尿外科杂志, 2019, 8(5): 340-344.
WANG Yixiang, LI Mingshan, LIU Yili, WANG Ping. Predictive value of neutrophil-to-lymphocyte ratio and platelet-to-lymphocyte ratio for systemic inflammatory response syndrome after percutaneous nephrolithotomy. JOURNAL OF MINIMALLY INVASIVE UROLOGY, 2019, 8(5): 340-344.
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