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Revision arthroplasty--acetabular aspect: cementless acetabular bone reconstruction.

Kuno Weise¹, Eugen Winter

¹BG Trauma Center, Eberhard-Karls-University, Schnarrenbergstrasse 95, 72076 Tuebingen, Germany. kuno.weise@uni-tuebingen.de

International Orthopaedics

|October 21, 2003

Summary

Revision surgery using bone grafting and metal antiprotrusion rings effectively addresses extensive acetabular defects. This method ensures a solid and stable fixation for the acetabular component in complex hip revision cases.

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Area of Science:

Orthopedic Surgery
Biomaterials Engineering

Background:

Aseptic loosening and extensive acetabular defects pose significant challenges in hip revision surgery.
Current treatment options for multisegmental acetabular defects include bone grafting and metal antiprotrusion support rings.

Purpose of the Study:

To evaluate the long-term efficacy of bone grafting and metal antiprotrusion rings in reconstructing acetabular defects.
To assess the stability and durability of acetabular component fixation after revision surgery.

Main Methods:

Retrospective analysis of 41 consecutive cases undergoing acetabular revision surgery with reinforcement rings since 1983.
Follow-up included clinical and radiographic examinations, and patient history evaluation on average 7.3 years post-operation.

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Main Results:

Revision surgery using bone grafting and metal antiprotrusion rings achieved solid and stable fixation of the acetabular component.
The technique demonstrated successful reconstruction of pelvis defects, leading to permanent fixation.

Conclusions:

Bone grafting combined with metal antiprotrusion rings is an effective treatment for extensive acetabular defects in hip revision surgery.
This reconstructive approach provides a stable and durable solution for complex acetabular reconstructions.