Chinese Journal of Tissue Engineering Research ›› 2022, Vol. 26 ›› Issue (3): 359-364.doi: 10.12307/2022.059

Previous Articles     Next Articles

Early gait changes after total hip arthroplasty through direct anterior approach and posterolateral approach

Wang Chong1, Zhang Meiying2, Zhou Jian2, Lao Kecheng2   

  1. 1Sports Medicine Rehabilitation Center, Qingdao Municipal Hospital, Qingdao University, Qingdao 266000, Shandong Province, China; 2Department of Bone and Joint and Sports Medicine, Qingdao Municipal Hospital, Qingdao University, Qingdao 266000, Shandong Province, China
  • Received:2021-03-04 Revised:2021-03-06 Accepted:2021-05-07 Online:2022-01-28 Published:2021-10-27
  • Contact: Lao Kecheng, Chief physician, Department of Bone and Joint and Sports Medicine, Qingdao Municipal Hospital, Qingdao University, Qingdao 266000, Shandong Province, China
  • About author:Wang Chong, Master candidate, Physician, Sports Medicine Rehabilitation Center, Qingdao Municipal Hospital, Qingdao University, Qingdao 266000, Shandong Province, China
  • Supported by:
    Technology Innovation Project of Qingdao Municipal Hospital, No. 2019-WJZD020 (to ZJ)

Abstract: BACKGROUND: Total hip arthroplasty is a commonly used method for the treatment of hip osteoarthritis. Both direct anterior approach and posterolateral approach can achieve good results in total hip arthroplasty. The current research mainly focuses on the advantages and disadvantages of two surgical approaches. The use of gait analysis technology to study the early postoperative gait of patients is less.  
OBJECTIVE: The gait analysis technique was used to compare the gait changes of patients undergoing total hip arthroplasty with the direct anterior approach and the posterolateral approach in different time periods, and to explore the early postoperative rehabilitation effect of the two approaches.
METHODS:  The 66 patients with unilateral hip osteoarthritis who were treated with total hip arthroplasty at Qingdao Municipal Hospital from September 2019 to June 2020 were selected in this study, and divided into posterolateral approach group (n=33) and direct anterior approach group (n=33) according to the random number table method. The gait analysis technique was used to compare the changes of patients’ gait in the two groups before surgery, 1, 3, and 6 months after surgery. This study was approved by Ethics Committee of Qingdao Municipal Hospital.  
RESULTS AND CONCLUSION: (1) At 1 month after surgery, stride length, pace, pace frequency and lateral support of patients in both groups were significantly improved compared with those before surgery (P < 0.05). (2) At 3 months after surgery, stride length, pace, pace frequency, and lateral support were increased in the two groups compared with 1 month after surgery (P < 0.05). (3) There was no statistical significance in stride length, stride speed, stride frequency, and support phase of the affected side in the direct anterior approach group at 3 and 6 months after surgery (P > 0.05). The stride length, stride speed, stride frequency, and support phase of the affected side were increased in the posterolateral approach group at 6 months compared with that at 3 months (P < 0.05). (4) At 1 and 3 months after surgery, the stride length, stride frequency, stride speed and support phase of affected side in the direct anterior approach group were better than those in the posterolateral approach group (P < 0.05). At 6 months after operation, there was no significant difference between the two groups (P > 0.05). (5) It is indicated that both surgical approaches can significantly improve patients’ gait, and direct anterior approach can better promote the recovery of hip function and early exercise of patients.

Key words: total hip arthroplasty, direct anterior approach, posterolateral approach, gait analysis, hip osteoarthritis, rehabilitation

CLC Number: