Impact of Dementia on Perioperative Complications in Elderly Patients Undergoing Total Knee Arthroplasty: A Retrospective National Inpatient Sample Database Study

Yusong Zhang, Linjia Li, Yuanwei Wu, Jian Wang, Yuxin Zhong, Qinfeng Yang, Jiwei Luo, Department of Orthopaedics, Teng County People, s Hospital, Second Clinical Medical College, Southern Medical University, Division of Orthopaedic Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Department of Orthopaedic Surgery, Dongguan Chang, an Hospital, Department of Orthopaedics, Nanfang Hospital , ZengCheng Branch, Southern Medical University

Geriatric Orthopaedic Surgery & Rehabilitation

Published online on January 25, 2026

Abstract

Geriatric Orthopaedic Surgery & Rehabilitation, Volume 17, January-December 2026.
BackgroundDementia is widely recognized as a factor that influences the outcomes of total knee arthroplasty (TKA). However, recent studies have not fully elucidated the effects of dementia on perioperative medical and surgical complications, as well as in-...