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Journal of Bone and Joint Surgery - British Volume, Vol 89-B, Issue 2,
230-235.
doi: 10.1302/0301-620X.89B2.18057 Copyright © 2007 by British Editorial Society of Bone and Joint Surgery Treatment for developmental dysplasia of the hip using the Pavlik harnessLONG-TERM RESULTSJ. Nakamura, MD, Resident1; M. Kamegaya, MD, Chief Staff Surgeon2; T. Saisu, MD, Staff Surgeon2; M. Someya, MD, Chief Staff Surgeon3; W. Koizumi, MD, Staff Surgeon4; and H. Moriya, MD, Professor1
1 Department of Orthopaedic Surgery Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba City, 260-8677, Japan. Correspondence should be sent to Dr J. Nakamura; e-mail: njonedr{at}yahoo.co.jp We reviewed the medical records of 115 patients with 130 hips with developmental dysplasia with complete dislocation in the absence of a neuromuscular disorder, spontaneous reduction with a Pavlik harness, and a minimum of 14 years’ follow-up. The mean age at the time of harness application was 4.8 months (1 to 12) and the mean time spent in the harness was 6.1 months (3 to 12). A total of 108 hips (83.1%) were treated with the harness alone and supplementary surgery for residual acetabular dysplasia, as defined by an acetabular index > 30°, was performed in 22 hips (16.9%). An overall satisfactory outcome (Severin grade I or II) was achieved in 119 hips (91.5%) at a mean follow-up of 16 years (14 to 32) with a follow-up rate of 75%. Avascular necrosis of the femoral head was noted in 16 hips (12.3%), seven of which (44%) underwent supplementary surgery and nine (56%) of which were classified as satisfactory. The acetabular index was the most reliable predictor of residual acetabular dysplasia. This article has been cited by other articles:
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