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Acetabular supporting ring in total hip replacement

A Panski1, C Tauber

  • 1Department of Orthopaedic Surgery, Kaplan Hospital, Rehovot, Israel.

Archives of Orthopaedic and Trauma Surgery
|January 1, 1997
PubMed
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The Müller acetabular supporting ring shows promise for total hip arthroplasty in patients with acetabular bone deficiency. This implant demonstrated good or satisfactory outcomes in most cases, aiding bone stock restoration.

Area of Science:

  • Orthopedic Surgery
  • Biomaterials Engineering
  • Reconstructive Surgery

Background:

  • Acetabular bone deficiency presents a significant challenge in total hip arthroplasty.
  • Revision hip arthroplasty often involves complex bone defects.
  • Existing implants may not adequately address severe acetabular bone loss.

Purpose of the Study:

  • To evaluate the efficacy of the Müller acetabular supporting ring in total hip arthroplasty.
  • To assess outcomes in patients with acetabular bone deficiency, including primary and revision cases.
  • To determine the utility of this device in reconstructive surgery for bone stock deficits.

Main Methods:

  • A retrospective review of 14 total hip arthroplasties utilizing the Müller acetabular supporting ring.

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  • Inclusion of 3 primary and 11 revision arthroplasty cases.
  • Application of bone graft in 11 cases to augment acetabular bone stock.
  • Follow-up assessment of patient outcomes.

    • Main Results:

    • A mean follow-up period of 39.9 months was achieved.
    • Twelve out of fourteen patients (85.7%) reported good or satisfactory results.
    • Two cases (14.3%) experienced implant failure.
    • The device was employed in scenarios of significant acetabular bone deficiency.

    Conclusions:

    • The Müller acetabular supporting ring is a valuable implant for managing acetabular bone deficiency.
    • It offers a viable solution for both primary and revision total hip arthroplasties with bone stock issues.
    • The implant demonstrates a favorable success rate in reconstructive hip surgery.