• Liqing Yang, Yuefeng Sun, Ge Li, and Jiulong Liu.
• Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, China.
• Medicine (Baltimore). 2017 Dec 1; 96 (51): e8805e8805.

ObjectiveThis meta-analysis aims to determine whether hemoglobin A1c (HbA1c) and perioperative hyperglycemia are associated with the increased risk of periprosthetic joint infection following total knee and hip arthroplasty.MethodsA systematic search is performed in Medline (1966-October 2017), PubMed (1966-October 2017), Embase (1980-October 2017), ScienceDirect (1985-October 2017), and the Cochrane Library. Only high-quality studies are selected. A meta-analysis is performed using Stata 11.0 software.ResultsSix retrospective studies including 26,901 patients meet the inclusion criteria. The present meta-analysis indicates that there are significant differences between groups in terms of perioperative random blood glucose level [weighted mean difference (WMD) = 2.365, 95% confidence interval (95% CI): 1.802-2.929, P = .000] and perioperative hemoglobin A1c level (WMD = 3.266, 95% CI: 2.858-3.674, P = .000). No significant difference is found regarding body mass index (BMI) condition between groups (WMD = 0.027, 95% CI: -0.487 to 0.541, P = .919).ConclusionThe present meta-analysis shows that high HbA1c and perioperative hyperglycemia are associated with a higher risk of periprosthetic joint infection following total joint arthroplasty. Screening of HbA1c and perioperative blood glucose is therefore an effective method to predict deep infection.Copyright © 2017 The Authors. Published by Wolters Kluwer Health, Inc. All rights reserved.

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