典型文献
Combination of C-reactive protein and fibrinogen is useful for diagnosing periprosthetic joint infection in patients with inflammatory diseases
文献摘要：
Background::The screening of periprosthetic joint infection (PJI) in patients with inflammatory diseases before revision arthroplasty remains uncertain. Serum C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), plasma fibrinogen (FIB), monocyte/lymphocyte ratio, and neutrophil/lymphocyte ratio (NLR) can help screening PJI, but their values in patients with inflammatory diseases have not been determined.Methods::Patients with inflammatory diseases who underwent revision hip or knee arthroplasty at West China Hospital, Sichuan University, from January 2008 to September 2020 were divided into infected and non-infected groups based on the 2013 International Consensus Meeting criteria. Sensitivity and specificity of the tested biomarkers for diagnosing infection were determined based on receiver operating characteristic (ROC) curves, and optimal cutoffs were determined based on the Youden index. The diagnostic ability of these biomarkers was re-assessed after combining them with each other.Results::A total of 62 patients with inflammatory diseases were studied; of them 30 were infected. The area under the ROC curve was 0.813 for CRP, 0.638 for ESR, 0.795 for FIB, and 0.656 for NLR. The optimal predictive cutoff of CRP was 14.04 mg/L with a sensitivity of 86.2% and a specificity of 68.7%, while FIB had a sensitivity of 72.4% and a specificity of 81.2% with the optimal predictive cutoff of 4.04 g/L. The combinations of CRP with FIB produced a sensitivity of 86.2% and specificity of 78.1%.Conclusion::CRP with a slightly higher predictive cutoff and FIB are useful for screening PJI in patients with inflammatory diseases, and the combination of CRP and FIB may further improve the diagnostic values.Trial Registration::ChiCTR.org.cn, ChiCTR2000039989
文献关键词：
Periprosthetic joint infection;C-reactive protein;Fibrinogen;Diagnosis;Revision arthroplasty
中图分类号：
作者姓名：
Xu Hong;Xie Jinwei;Wan Xufeng;Liu Li;Wang Duan;Zhou Zongke
作者机构：
Department of Orthopedic Surgery, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China;Department of Orthopedic Surgery, West China School of Nursing, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
文献出处：
引用格式：
[1]Xu Hong;Xie Jinwei;Wan Xufeng;Liu Li;Wang Duan;Zhou Zongke-.Combination of C-reactive protein and fibrinogen is useful for diagnosing periprosthetic joint infection in patients with inflammatory diseases)[J].中华医学杂志（英文版）,2022(16):1986-1992
A类：
cutoffs,ChiCTR2000039989,Periprosthetic
B类：
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AB值：
0.475683
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