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KMID : 0361620070420010071
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Journal of the Korean Orthopaedic Association
2007 Volume.42 No. 1 p.71 ~ p.76
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Cruciate Retaining Medial Pivot Knee
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Bae Dae-Kyung
Yoon Kyoung-Ho
Park Kyoung-Jun
Kim Seon-Goo
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Abstract
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Purpose: To analyze the clinical and radiographic results of patients who underwent total knee arthroplasty with a posterior cruciate retaining medial pivot knee, and to identify the technical aspects in preserving the posterior cruciate ligament.
Materials and Methods: From March 2002 to Dec 2003, 40 total knee arthroplasties with a cruciate retaining medial pivot knee were implanted in 28 cases. The average follow-up period was 2.8 years (range, 2 to 3.7 years). The clinical and radiographic results were evaluated using the clinical and roentgenographic evaluation and scoring system of the American Knee Society.
Results: The average flexion contracture before surgery was 5.4o, which improved to 0.6o at the last follow-up. The average preoperative knee flexion was 126.1o and 126.6° at the last follow-up. The average knee score improved from 60 points preoperatively to 94.8 points postoperatively, and the average functional score improved from 55.3 points to 87.0 points at the final evaluation. The average post operative , , and angles were 95.1o, 91.1o, 3.6o and 84.0o, respectively. There were no postoperative complications.
Conclusion: The short term clinical results in patients who had undergone total knee arthroplasty with a cruciate retaining medial pivot knee was acceptable.
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KEYWORD
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Knee, Posterior cruciate Ligament, Arthroplasty, Medial pivot knee
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