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Long-term results of valgus-extension femoral osteotomy for advanced osteoarthritis of the hip

S. Morita, MD, Associate Professor1; H. Yamamoto, MD, Associate Professor1; S. Hasegawa, MD, Assistant Professor1; S. Kawachi, MD, Chief Director2; and K. Shinomiya, MD, Professor and Director Chairman1

1 Department of Orthopaedic Surgery, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8519, Japan.
2 Department of Orthopaedic Surgery, Toride Kyodo General Hospital, 2-1-1 Hongoh, Toride-shi, Ibaraki 302-0022, Japan.

Correspondence should be sent to Dr S. Morita.

We treated 31 hips in 30 patients with advanced osteoarthritis of the hip secondary to acetabular dysplasia, by valgus-extension femoral osteotomy. The mean follow-up was 12.7 years (10 to 17). Acetabuloplasty was added in ten severely dysplastic hips.

In 28 hips, radiological widening of the joint space was seen three years after operation, but in 12 had narrowed again by ten years. Survivorship analysis showed that the rate of survival was 82% using the pain score as the index of failure, and 72% based on radiological findings at ten years. Better long-term results were obtained in hips which had an acetabular head index greater than 70% or a roof osteophyte more than 5 mm in length three years after operation. Acetabuloplasty should be added for the hip which is severely dysplastic and with a poorly developed roof osteophyte.




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K. Suzuki, S. Kawachi, M. Matsubara, S. Morita, T. Jinno, and K. Shinomiya
Cementless total hip replacement after previous intertrochanteric valgus osteotomy for advanced osteoarthritis
J Bone Joint Surg Br, September 1, 2007; 89-B(9): 1155 - 1157.
[Abstract] [Full Text] [PDF]


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Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General