• Zixuan Ye, Mingjing Ke, Tao Wang, Yingxin Guan, Liang Ou, Linbiao Zheng, Zehua Chen, Zhen Shen, Liuyi Zheng, Changfei Yuan, Wenyao Li, Jinqing Liu, Yuheng Li, Shaodan Zhang, Huai Wu, Wengang Liu, and Xuemeng Xu.
• The Fifth Clinical Medical School, Guangzhou University of Chinese Medicine.
• Medicine (Baltimore). 2021 Jan 29; 100 (4): e23891e23891.

BackgroundElectroacupuncture is increasingly used in rehabilitation for postoperative cognitive dysfunction (POCD), but relevant evidence remains unclear for patients receiving total knee arthroplasty (TKA).MethodsThe databases research of PubMed, EMBASE, CINAHL, and China National Knowledge Infrastructure (CNKI) will be conducted from inception to December 31, 2020. The relevant randomized controlled trials (RCTs) from data will be screened one by one. The remaining studies that meet the inclusion criteria will be extracted and analyzed using RevMan V.5.3 software. Paired 2 reviewers will assess quality of the included studies and publication bias by using the Cochrane Collaboration risk of bias tool, and Egger test and Begg test respectively. And grading of recommendations assessment, development and evaluation (GRADE) will be used to estimate the quality of evidence.ResultsIn this study, we will analyze the effect of electroacupuncture on Mini-Mental State Examination (MMSE), interleukin 1β (IL-1β), tumor necrosis factor-α (TNF-α), S100-β protein, and adverse events for patients with TKA.ConclusionOur findings will provide evidence for the effectiveness of electroacupuncture on the treatment and prevention of POCD for TKA patients.Registration NumberAvailable at: https://osf.io/azyt9 (DOI number: 10.17605/OSF.IO/AZYT9).Copyright © 2021 the Author(s). Published by Wolters Kluwer Health, Inc.

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