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Year : 2019  |  Volume : 54  |  Issue : 2  |  Page : 182-186

Early functional results of the subvastus and medial parapatellar approaches in total knee arthroplasty

Department of Orthopedic Surgery, Faculty of Medicine, Cairo University, Cairo, Egypt

Correspondence Address:
MD Ayman M Mansour
5 Mahmoud Tharwat Street, El Manial, Cairo, 11555
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/eoj.eoj_53_19

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Introduction A number of techniques for total knee replacement have been described to allow for easier surgical technique but with preservation of the integrity of extensor mechanism, and one of them is the subvastus (SV) approach. It causes less damage to the extensor mechanism and blood supply, which will cause less pain in the postoperative period and earlier return of quadriceps strength. Patients and methods Forty primary total knee replacement patients were divided into two groups, each with 20 patients. Group I had a medial parapatellar (MPP) approach and group II had the SV approach. Results The SV approach allowed earlier straight leg raising, shorter hospital stay, earlier quadriceps strength improvement, and better stair score and function score when compared with the traditional MPP group. Conclusion The SV approach for primary total knee arthroplasty is less invasive than the conventional MPP approach when considering vascular and muscular anatomy.

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