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KMID : 1207720200120040442
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Clinics in Orthopedic Surgery
2020 Volume.12 No. 4 p.442 ~ p.447
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Challenges in Total Hip Replacement after McMurray's Osteotomy: A Report of 3 Cases and Review of Literature
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Vaishya Raju
Vaish Abhishek
Ansari Aabid Husain
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Abstract
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Background: McMurray's osteotomy of the hip was a popular surgery practiced for almost 5 decades for the management of the fractured neck of the femur and hip osteoarthritis since its first description in 1936. It is an oblique, medial displacement intertrochanteric osteotomy. In the long term, McMurray's osteotomy patients develop limb length discrepancy and secondary osteoarthritis due to the altered biomechanics of the hip and may require total hip replacement (THR). THR after the previous osteotomy is more challenging than that for unoperated hip joints due to severe distortion of the hip anatomy and soft-tissue contractures. These challenges are related to distorted bony anatomy, soft-tissue contractures, and the choice of implants.
Methods: Three patients with previous McMurray's osteotomy of the hip developed secondary osteoarthritis and underwent total hip replacement. We discussed specific challenges encountered during THR and techniques to deal with such problems.
Results: All patients had pain-free hip, with minimal residual shortening (average, 1.2 cm) at an average follow-up of 3.67 years (range, 1 to 6 years). The Harris hip score improved significantly postoperatively and no complications were encountered.
Conclusions: A detailed and careful preoperative planning, correct execution of surgical techniques, and postoperative rehabilitation are the keys to the successful management of these cases.
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KEYWORD
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Hip, Osteoarthritis, Osteotomy, Total hip replacement, Femoral neck fractures
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