PARTICULARITIES OF TOTAL KNEE ARTHROPLASTY IN KNEE OSTEOARTHRITIS WITH VALGUS DEFORMITY. MEDIUM-TERM CLINICAL RESULTS
Abstract:
In total knee arthroplasty for cases with valgum axial deformity, ligament balancing requires special attention due to specific changes in osseous configuration and periarticular soft tissues. In this study we followed a consecutive series of patients with knee osteoarthritis and valgus axial deviation who underwent total knee arthroplasty with posterior stabilized endoprostheses. We used either a medial or lateral parapatellar approach, depending on the degree of deviation. The patients were followed clinically and radiologically on average 4.1 years, and we recorded the clinical and functional Knee Society Score. We found a statistically significant improvement in all followed parameters: clinical and functional scores increased from the average preoperative values of 33.73 and 29.8 points to 93.5 and 86.73 points at 1 year, and 93.15 and 87.3 points at 4 years postoperatively (p=0.0001), with no cases of endoprosthetic component loosening.
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