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Related Experiment Video

Updated: May 31, 2026

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
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The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve

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Trochanteric osteotomy versus posterolateral approach: function the first year post surgery. A pilot study.

Margot van der Grinten1, Max Reijman, Frans C van Biezen

  • 1Department of Orthopaedic Surgery, Erasmus MC, PO Box 2040, 3000 CA Rotterdam, The Netherlands. m.vandergrinten@erasmusmc.nl

BMC Musculoskeletal Disorders
|June 28, 2011
PubMed
Summary
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Trochanteric osteotomy in hip arthroplasty showed similar functional outcomes to non-osteotomy approaches at 6-12 months. Early functional deficits in the osteotomy group resolved, suggesting it can be a viable option for complex cases.

Area of Science:

  • Orthopedic Surgery
  • Arthroplasty Research
  • Rehabilitation Science

Background:

  • Trochanteric osteotomy is often considered outdated in simple hip arthroplasty due to concerns about prolonged rehabilitation and functional outcomes.
  • No prior prospective studies directly compared functional results between trochanteric osteotomy and non-trochanteric approaches.

Purpose of the Study:

  • To prospectively compare functional rehabilitation outcomes between posterolateral and trochanteric approaches in hip arthroplasty.
  • To evaluate patient-reported outcomes and functional test performance at various postoperative intervals.

Main Methods:

  • Prospective study of 109 hip arthroplasty patients (24 with trochanteric osteotomy).
  • Utilized WOMAC, SF-36, and HHS questionnaires alongside functional tests (walking, stair climbing, sit-to-stand, strength).

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  • Follow-up assessments conducted at 3, 6, and 12 months post-surgery.

    • Main Results:

    • No significant differences in questionnaire scores between groups at 3, 6, or 12 months.
    • Trochanteric osteotomy group initially showed lower functional test scores at 3 months, which normalized by 6-12 months.
    • Abduction strength remained lower in the trochanteric osteotomy group only in cases with non-union of the osteotomy.

    Conclusions:

    • A non-osteotomy approach appears logical for standard hip arthroplasty.
    • In experienced hands, trochanteric osteotomy can yield good functional results at 6-12 months if bone union is achieved.
    • Trochanteric osteotomy should not be avoided in challenging hip arthroplasty cases.