The following article is a study conducted by one of our users using the Right Gait & Posture system. From the orthopedics department of the General Hospital of the Chinese People's Liberation Army.Extract as follows here:
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
Yiming Wang1,7†, Han Yu1,7†, Jianfeng Yang1,7†, Kai Xu2 , Long Cheng3 , Peng Xin4 , Jingya Liu5 , Haichao Ren1,7,
Xiaoyu Li6 , Qingqing Qi7 , Yan Wang7,8* and Chao Xue7,8*
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<0.05), while the difference between preoperative and postoperative AA is not significant. BMI, Crowe Type, AA were related to change of cadence. The less the postoperative AA of patients, and the more the cadence in the postoperative gait of patients.
Conclusion
Our study showed that THA could improve the gait function of patients with symptomatic hip osteoarthritis secondary to hip dysplasia. Adjusting AA lower could obtain a much more postoperative cadence.
Keywords
Hip prosthesis position, Postoperative gait, Femoral anteversion angle, Acetabular anteversion angle
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