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Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_I | Pages 80 - 80
1 Mar 2008
Fouse M Al-Jassir F Burman M Lenzcner E
Full Access

Closing wedge tibial osteotomy has been the gold standard in proximal osteotomy procedures to correct uni-compartmental osteoarthritis. Opening wedge tibial osteotomies are achieving similar long-term results while avoiding some of the pitfalls of the closing wedge procedure. Opening wedge osteotomies maintain patellar length, tibial inclination, and proximal tibia bone stock. This allows for a technically easier conversion to a total knee arthroplasty in the future.

The purpose of this study was to assess the functional outcomes as well as the anatomical changes caused by opening wedge high tibial osteotomy

Opening and closing wedge osteotomies have been shown to have near equivolent long-term results. Using functional outcome studies (SF-36 and WOMAC ) and radiographic review we have shown good outcomes while maintaining the original anatomy of the knee.

Opening wedge tibial osteotomy will allow for a less complicated conversion to a total knee arthroplasty than the closing wedge tibial osteotomy

The patients attained a significant valgus correction that was maintained postoperatively (pre-op 6.12 varus to 5.5 valgus)

Clinical status of the patient was improved significantly in the functional outcomes testing using the WOMAC knee score( pre-op value 29.75 to 19.5; p = 0.0318 ) and the SF-36 ( pre-op value 64.4 to 81.7; p = 0.0035 ).

Patellar height (Pre-op Insall-Salvati ratio 1.15 to 1.09; p = 0.2339 ) and tibial inclination( pre-op 7.3 degrees to 6.85 degrees; p = 0.6743 ) were maintained.

This study retrospectively examined twenty-two patients with medial joint uni-compartmental osteoarthritis. Radiographic review of the pre-operative and post-operative films assessed the valgus correction, patellar height, and tibial inclination. The patients were seen in follow-up to assess the clinical exam and functional outcomes were measured using the SF-36 and WOMAC knee scores.

Opening wedge HTO is able to achieve acceptable correction of deformity while maintaining the normal anatomy of the knee.


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_I | Pages 76 - 76
1 Mar 2008
Fouse M Al-Jassir F Burman M Lenzcner E
Full Access

Closing wedge tibial osteotomy has been the gold standard in proximal osteotomy procedures to correct uni-compartmental osteoarthritis. Opening wedge tibial osteotomies are achieving similar long-term results while avoiding some of the pitfalls of the closing wedge procedure. Opening wedge osteotomies maintain patellar length, tibial inclination, and proximal tibia bone stock. This allows for a technically easier conversion to a total knee arthroplasty in the future.

The purpose of this study was to assess the functional outcomes as well as the anatomical changes caused by opening wedge high tibial osteotomy

Opening and closing wedge osteotomies have been shown to have near equivolent long-term results. Using functional outcome studies (SF-36 and WOMAC ) and radiographic review we have shown good outcomes while maintaining the original anatomy of the knee.

Opening wedge tibial osteotomy will allow for a less complicated conversion to a total knee arthroplasty than the closing wedge tibial osteotomy

The patients attained a significant valgus correction that was maintained postoperatively (pre-op 6.12 varus to 5.5 valgus )

Clinical status of the patient was improved significantly in the functional outcomes testing using the WOMAC knee score( pre-op value 29.75 to 19.5; p = 0.0318 ) and the SF-36 ( pre-op value 64.4 to 81.7; p = 0.0035 ).

Patellar height (Pre-op Insall-Salvati ratio 1.15 to 1.09; p = 0.2339 ) and tibial inclination( pre-op 7.3 degrees to 6.85 degrees; p = 0.6743 ) were maintained.

This study retrospectively examined twenty-two patients with medial joint uni-compartmental osteoarthritis. Radiographic review of the pre-operative and post-operative films assessed the valgus correction, patellar height, and tibial inclination. The patients were seen in follow-up to assess the clinical exam and functional outcomes were measured using the SF-36 and WOMAC knee scores.

Opening wedge HTO is able to achieve acceptable correction of deformity while maintaining the normal anatomy of the knee.