The Journal of Arthroplasty
Volume 22, Issue 1 , Pages 79-82, January 2007

Ultimate Outcome in Immediate Postoperative Total Hip Arthroplasty Instability

  • Craig R. Mahoney, MD

      Affiliations

    • Iowa Orthopaedic Center, Des Moines, Iowa
    • ,
  • Sven Heitenberger, MD

      Affiliations

    • Hospital for Special Surgery, New York, New York
    • ,
  • Pamela Sanchez, BS

      Affiliations

    • Hospital for Special Surgery, New York, New York
    • ,
  • Sarah H. Schaefer, BA

      Affiliations

    • Hospital for Special Surgery, New York, New York
    • ,
  • Thomas P. Sculco, MD

      Affiliations

    • Hospital for Special Surgery, New York, New York
    • ,
  • Geoffrey H. Westrich, MD

      Affiliations

    • Hospital for Special Surgery, New York, New York
    • Corresponding Author InformationReprint request: Geoffrey H. Westrich, MD, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021.

Received 9 June 2005; accepted 28 February 2006.

Abstract 

The objective of this study was to determine the ultimate outcome of patients who experienced immediate postoperative instability after primary total hip arthroplasty using regional anesthesia. Thirtyone patients whose radiographs demonstrated dislocation or subluxation immediately after total hip arthroplasty were evaluated as to the ultimate outcome of hip function and stability. Once a dislocation has occurred, the risk of redislocation is high. In this study, of the 29 patients who did not have revisions immediately after surgery, 3 (10.3%) have had recurrent dislocation and 1 (3.5%) has had a subluxation event. Recurrent instability or the need for revision surgery is significantly greater when compared with those patients who have no evidence of postoperative instability.

Key words: primary hip arthroplasty, subluxation, dislocation, regional anesthesia, postoperative instability

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 No benefits or funds were received in support of the study.

PII: S0883-5403(06)00281-6

doi:10.1016/j.arth.2006.02.168

The Journal of Arthroplasty
Volume 22, Issue 1 , Pages 79-82, January 2007

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