[Experience in posterolateral mini-incision total hip arthroplasty]
Xiaosheng Li1, Tiezhu Chen, Hongwen Chen
1Department of Orthopedics, Hunan Provincial People's Hospital, Changsha 410005, China.
Summary
Posterolateral mini-incision total hip arthroplasty offers a smaller scar and less soft tissue damage. Clinical efficacy and patient satisfaction are comparable to conventional approaches.
Area of Science:
- Orthopedic Surgery
- Arthroplasty
- Minimally Invasive Surgery
Background:
- Total hip arthroplasty (THA) is a common procedure for hip joint diseases.
- Posterolateral approaches are widely used for THA.
- Minimally invasive techniques aim to reduce surgical trauma and improve recovery.
Purpose of the Study:
- To evaluate the surgical techniques and clinical efficacy of posterolateral mini-incision THA.
- To compare outcomes between mini-incision and conventional posterolateral THA.
Main Methods:
- A randomized controlled trial comparing posterolateral mini-incision THA (Group A, 50 hips) with conventional posterolateral THA (Group B, 48 hips).
- Key metrics included incision length, blood loss, drainage, operation time, and postoperative Harris scores.
- Patients were followed postoperatively for prosthesis position and complications.
Main Results:
- Group A had significantly shorter incision lengths (average 7.4 cm) compared to Group B (average 20.0 cm).
- Blood loss, drainage, and operation time were comparable between groups.
- Postoperative Harris scores and radiographic outcomes (acetabular cup abduction angle) showed no significant difference.
Conclusions:
- Posterolateral mini-incision THA results in a smaller scar and potentially less soft tissue damage.
- Clinical outcomes, including functional recovery and patient satisfaction, are similar to the conventional approach.
- Proper patient selection and surgical skill are crucial for successful mini-incision THA.


