The Journal of Arthroplasty
Volume 26, Issue 6, Supplement , Pages 66-71, September 2011

The Effect of Total Hip Arthroplasty Surgical Approach on Postoperative Gait Mechanics

  • Robin M. Queen, PhD

      Affiliations

    • Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina
    • Michael W. Krzyzewski Human Performance Lab, Duke University Medical Center, Durham, North Carolina
    • Corresponding Author InformationReprint requests: Robin M. Queen, PhD, Duke Department of Orthopaedic Surgery. Director: Michael W. Krzyzewski Human Performance Lab, 102 Finch Yeager Building, DUMC 3435, Durham, NC 27710.
    • ,
  • Robert J. Butler, PT, PhD

      Affiliations

    • Michael W. Krzyzewski Human Performance Lab, Duke University Medical Center, Durham, North Carolina
    • Department Community and Family Medicine, Division of Physical Therapy, Duke University Medical Center, Durham, North Carolina
    • ,
  • Tyler S. Watters, MD

      Affiliations

    • Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina
    • ,
  • Scott S. Kelley, MD

      Affiliations

    • Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina
    • ,
  • David E. Attarian, MD

      Affiliations

    • Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina
    • ,
  • Michael P. Bolognesi, MD

      Affiliations

    • Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina

Received 12 July 2010; accepted 21 April 2011. published online 27 June 2011.

Abstract 

Surgical approach for total hip arthroplasty (THA) is determined by clinician preference from limited prospective data. This study aimed to examine the effect of surgical approach (direct lateral, posterior, and anterolateral) on 6-week postoperative gait mechanics. Thirty-five patients (direct lateral, 8; posterior, 12; anterolateral, 15) were tested preoperatively and 6 weeks after THA. Patients underwent a gait analysis at a self-selected walking speed. A 2-way analysis of variance was used for analysis. Stride length, step length, peak hip extension, and walking speed increased after THA. The 3 surgical approach variables were not significantly different for any of the study variables after THA. All patients showed some increase in selected variables after THA regardless of surgical approach. In this study, surgical approach did not appear to significantly influence the early postoperative gait mechanics that were quantified.

Keywords: gait analysis, total hip arthroplasty, surgical approach

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 The Conflict of Interest statement associated with this article can be found at doi:10.1016/j.arth.2011.04.033.

 Investigation performed at Duke University Medical Center, Durham, NC.

PII: S0883-5403(11)00217-8

doi:10.1016/j.arth.2011.04.033

The Journal of Arthroplasty
Volume 26, Issue 6, Supplement , Pages 66-71, September 2011

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