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Revision surgery after triple-cup arthroplasty
M Nozawa1, K Shitoto, T Hirose
1Department of Orthopaedic Surgery, Juntendo University School of Medicine, Tokyo, Japan. nozawa@med.juntendo.ac.jp
Archives of Orthopaedic and Trauma Surgery
|December 29, 1999
Summary
Triple-cup arthroplasty for young hip osteoarthritis patients showed mixed results, with 23% requiring revision surgery. However, revision surgeries yielded good clinical and radiographic outcomes.
Area of Science:
- Orthopedic Surgery
- Biomaterials Engineering
Background:
- Advanced hip osteoarthritis in young patients presents complex treatment challenges.
- Long-term outcomes of various surgical procedures for this demographic remain debated.
Purpose of the Study:
- To evaluate the long-term efficacy and outcomes of the triple-cup arthroplasty in young patients with hip osteoarthritis.
- To assess the revision rates and outcomes following this specific arthroplasty technique.
Main Methods:
- A cohort of 110 relatively young patients underwent triple-cup arthroplasty since 1974.
- The triple-cup assembly involves stainless-steel outer/inner cups with an incorporated high-density polyethylene cup.
- Cup migration was monitored, and revision surgeries were performed when necessary.
Main Results:
- Revision surgery was required for 25 hip joints (23%) due to complications like cup migration, hip pain, and reduced range of motion.
- Acetabular reaming was minimized due to thin acetabula in most cases.
- Femoral heads, often covered in fibrous tissue, were utilized as bone grafts during revision.
Conclusions:
- Triple-cup arthroplasty in young hip osteoarthritis patients has a notable revision rate.
- Revision surgery after triple-cup arthroplasty demonstrated positive clinical and radiographic results.
- Careful surgical technique, particularly regarding acetabular reaming, is crucial.