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HTO combined with abrasion and microfracture seen as effective for medial OA, varus malalignment
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High tibial osteotomy along with chondral resurfacing is efficacious for patients with severe medial osteoarthritis and varus malalignment, according to research with a minimum 5-year-follow-up.
Researchers prospectively surveyed 85 patients who underwent high tibial osteotomy along with chondral resurfacing procedures from September 2005 to December 2008. Minimum follow-up period was 5 years. Investigators used the IKDC questionnaire to evaluate patients’ function and survivorship was determined through telephone or postal questionnaires. Patients were also evaluated for clinical outcomes, radiographic results, the need for revision arthroscopy and cartilage regeneration at 1-year and 2-years follow-up.
The 5-year survival rate was 95.2%, with four conversions to arthroplasty. Subjective IDKC scores improved significantly preoperatively from 45.1 points to 69.1 points at 1 year, 66.4 points at 3 years and 67.2 points at 5 years. After 5 years, 94.9% of patients were satisfied with outcomes from the procedure.
After 1-year, 80 patients underwent revision arthroscopy. Cartilage regeneration on the tibial side was categorized as good in 50% of patients and excellent in 25.8%. On the femoral side, these rates were 48.1% and 39%, respectively. ‒ by Monica Jaramillo
Disclosures: The researchers report no relevant financial disclosures.
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