Predictors of Chronic Postsurgical Pain in Elderly Patients Undergoing Hip Arthroplasty: A Multi-Center Retrospective Cohort Study

Yi Lu,1,* Bang Hu,2,* Haitao Dai,3,* Bao Wang,1 Jiayin Yao,4 Xinhua Yao1 1Department of Anesthesiology, The Affiliated TCM Hospital of Guangzhou Medical University, Guangzhou, Guangdong Province, People’s Republic of China; 2Department of Colorectal Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Disease, The Sixth Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong Province, People’s Republic of China; 3Department of Interventional Radiology, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong Province, People’s Republic of China; 4Department of Gastroenterology, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Disease, The Sixth Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong Province, People’s Republic of China*These authors contributed equally to this workCorrespondence: Xinhua YaoDepartment of Anesthesiology, The Affiliated TCM Hospital of Guangzhou Medical University, 16th Zhuji Road, Guangzhou, Guangdong Province, 510130, People’s Republic of ChinaTel +86 13719289709Email yxh200210@126.comJiayin YaoDepartment of Gastroenterology, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Disease, The Sixth Affiliated Hospital of Sun Yat-Sen University, 26th Yuancun Second Road, Guangzhou, Guangdong Province, 510655, People’s Republic of ChinaTel +86 13826462890Email yjyin@mail3.sysu.edu.cnBackground: Identifying patients at high risk of developing chronic postsurgical pain (CPSP) is of extreme importance in order to help launch appropriate therapeutic strategies and intensive initiation of pain management.Aim: In this study, we aimed to conduct a multi-center retrospective cohort study to establish a prognostic model and a nomogram to predict the risks of CPSP in elderly patients who underwent hip arthroplasty at 6 months postoperatively.Methods: We collected data from 736 patients aged