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Journal of Bone and Joint Surgery - British Volume, Vol 87-B, Issue 8, 1068-1072.
doi: 10.1302/0301-620X.87B8.15949  
Copyright © 2005 by British Editorial Society of Bone and Joint Surgery
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Outcome of revision hip arthroplasty in patients with a previous total hip replacement for developmental dysplasia of the hip

G. Morag, MD, Clinical Fellow, Orthopaedic Surgeon1; P. Zalzal, BASc, MASc, MD, FRCSC, Clinical Fellow, Orthopaedic Surgeon1; B. Liberman, MD, Clinical Fellow, Orthopaedic Surgeon1; O. Safir, MD, Clinical Fellow, Orthopaedic Surgeon1; M. Flint, BHB, MB ChB, FRACS, Clinical Fellow, Orthopaedic Surgeon1; and A. E. Gross, MD, FRCSC, Professor of Surgery, Head of Division of Orthopaedic Surgery1

1 Mount Sinai Hospital, 600 University Avenue, Suite 476A, Toronto, Ontario, Canada, M5G 1X5.

Correspondence should be sent to Dr A. E. Gross; e-mail: allan.gross{at}utoronto.ca

Our aim was to determine if the height of the cup, lateralisation or the abduction angle correlated with functional outcome or survivorship in revision total hip replacement in patients with a previous diagnosis of developmental dysplasia of the hip. A retrospective investigation of 51 patients (63 hips) who had undergone revision total hip replacement was performed. The mean duration of follow-up was 119 months. Forty-one patients (52 hips) were available for both determination of functional outcome and survivorship analysis. Ten patients (11 hips) were only available for survivorship analysis.

The height of the cup was found to have a statistically significant correlation with functional outcome and a high hip centre correlated with a worse outcome score. Patients with a hip centre of less than 3.5 cm above the anatomical level had a statistically better survivorship of the cup than those with centres higher than this. Restoration of the height of the centre of the hip to as near the anatomical position as possible improved functional outcome and survivorship of the cup.




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[Abstract] [Full Text] [PDF]


(c) British Editorial Society of Bone and Joint Surgery All Rights Reserved
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Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General