Influence of hip prosthesis position on postoperative gait in symptomatic hip osteoarthritis secondary to hip dysplasia patients after primary total hip arthroplasty: a short-term follow-up study

Autor: Yiming Wang, Han Yu, Jianfeng Yang, Kai Xu, Long Cheng, Peng Xin, Jingya Liu, Haichao Ren, Xiaoyu Li, Qingqing Qi, Yan Wang, Chao Xue
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: BMC Musculoskeletal Disorders, Vol 25, Iss 1, Pp 1-11 (2024)
Druh dokumentu: article
ISSN: 1471-2474
DOI: 10.1186/s12891-024-07876-2
Popis: Abstract Background The aim of this study was to analyze the influence of the positioning of the components of total hip arthroplasty (THA) evaluated by the acetabular anteversion (AA) and femoral anteversion (FA) angle on postoperative gait in patients with symptomatic hip osteoarthritis secondary to hip dysplasia undergoing THA. Methods Between May 2023 and May 2024, patients with symptomatic hip osteoarthritis secondary to hip dysplasia (Crowe Type I and IV) who underwent THA were enrolled in the study. The AA angle and FA angle were measured by computer tomography (CT). Gait data were determined by using the Dynamic Right Gait & Posture analysis system. The relationship between FA, AA and gait data was analyzed by Pearson correlation test, subgroup Pearson correlation test, multiple linear regression. Results A total of 40 patients (45hips) were included in the study. Compared with preoperative, the patient’s postoperative foot progression angle, foot contact angle, plantarflexion velocity, swing foot speed, gait velocity, cadence, stride length were significantly improved. Preoperative FA is significantly different from postoperative FA (P
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