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KMID : 0361620080430010078
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Journal of the Korean Orthopaedic Association
2008 Volume.43 No. 1 p.78 ~ p.85
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Early Results of MIS-QS Total Knee Arthroplasty - A Comparison with Conventional Procedure for the Same Patient -
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Choi Young-Joon
Ahn Hyung-Sun
Kim Chung-Hwan
Hwang Jae-Kwang
Lee Gi-Won
Jeon Ju-Sik
Lee Jae-Heon
Ha Jung-Ki
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Abstract
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Purpose: This study assessed the early clinical and radiological results of Minimally Invasive Surgery-Quadriceps sparing total knee arthroplasty (MIS-QS TKA), and compared these results with those of conventional TKA.
Materials and Methods: Between August 2004 and March 2005, 17 patients with bilateral TKA on their one side using a regular procedure and the other using the MIS-QS technique were evaluated and compared. The clinical assessment was performed by measuring the range of motion, Knee Society Score, and a radiological evaluation by standing anteroposterior, supine lateral, and Merchant view preoperatively, 2 weeks, 6 weeks, 3 months and 1 year after surgery. Statistical analysis was performed using a paired t-test.
Results: The average range of knee motion was slightly larger in the MIS-QS group at all periodsbut there was no statistical difference between the two groups. The Knee Society Score was similar at the 3 month and 1 year periods. The alignment of the implants was satisfactory in both groups and postoperative patellar alignment checked in the Merchant view was better in the MIS-QS group at all periods.
Conclusion: There were no differences in the clinical aspects at 1 year period between the two groups. However, the MIS-QS group showed better patellar alignment than the conventional group for up to 1 year.
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KEYWORD
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MIS-QS Total Knee Arthroplasty, Early result, Patellar alignment
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