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Extended tibial tubercle osteotomy in total knee arthroplasty
1Mary Imogene Bassett Hospital, Cooperstown, NY 13326, USA.
The Journal of Arthroplasty
|December 1, 1996
Summary
This study shows that extended tibial tubercle osteotomy is a valuable technique for challenging total knee replacements, with most osteotomies healing well. Poor bone quality is a key consideration for this surgical approach.
Area of Science:
- Orthopedic Surgery
- Biomedical Engineering
Background:
- Total knee arthroplasty (TKA) can present surgical challenges requiring specialized techniques.
- Exposure and patellar tracking are critical for successful TKA outcomes.
Purpose of the Study:
- To evaluate the efficacy and outcomes of extended tibial tubercle osteotomy (TTO) in patients undergoing TKA.
- To determine the optimal technique for TTO and identify potential complications.
Main Methods:
- Thirty TTOs were performed in 29 patients undergoing TKA.
- Bone fragments were tapered, and fixation was achieved with titanium screws.
- Follow-up averaged 18 months.
Main Results:
- Twenty-nine of thirty TTOs achieved primary healing.
- One patient experienced postoperative displacement requiring revision fixation.
- The technique proved useful in difficult TKA cases.
Conclusions:
- Extended TTO is a beneficial technique for complex TKA procedures.
- Careful patient selection, particularly regarding tibial bone stock, is essential.
- A recommended technique involves a long, tapered fragment (1.5-2 cm thick) fixed with screws.