4.0 Article

Medial pivot total knee arthroplasty: Mid-term results

Journal

ACTA ORTHOPAEDICA BELGICA
Volume 89, Issue 1, Pages 97-102

Publisher

ACTA MEDICA BELGICA
DOI: 10.52628/89.1.10252

Keywords

medial pivot total knee prosthesis; maximum flexion angle; knee osteoarthritis

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This study evaluated the mid-term results of medial pivot total knee arthroplasty in a single center. A total of 236 patients with 304 knee joints were analyzed retrospectively. Postoperative results showed significant improvement in functional score, knee score, Oxford score, total knee society score, and flexion angles compared to baseline. Medial pivot knee prostheses were found to be reliable and provided favorable results in terms of function and patient satisfaction.
This study aims to evaluate the mid-term results of patients who underwent medial pivot total knee arthroplasty at a single center. A total of 304 knees of 236 patients (40 males, 196 females; mean operation age and standard deviation : 66,64 & PLUSMN;7,09 years; range, 45 to 82 years) treated with medial pivot total knee prosthesis in our center between January 2010 and December 2014 were retrospectively analyzed. The American Knee Society Score, Oxford Knee Score, and especially flexion angles were recorded during pre-and postoperative follow-up. Of the operated knees, 71.2% were unilateral and 28.8% were bilateral. The mean follow-up was 79.30 & PLUSMN;14.76 months. The postoperative results with the Functional Score, Knee Score, Oxford Score, Total Knee Society Score, and flexion angles were significantly higher compared to baseline (p<0.01). All postoperative scores were significantly lower inpatients aged & GE;65years, compared to those aged <65 years (p<0.01). In patients who underwent resection of anterior and posterior the cruciate ligaments, only the mean flexion angles were found to increase (p<0.01). Our study results suggest that medial pivot knee prostheses are reliable in the mid-term and provide favorable results in terms of function and patient satisfaction.

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