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자료유형
학술저널
저자정보
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대한슬관절학회 Knee Surgery and Related Research Knee Surgery and Related Research 제24권 제4호
발행연도
2012.1
수록면
241 - 244 (4page)

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Purpose: The purpose of this study was to compare the morphologic change of the posterior cruciate ligament (PCL) on magnetic resonance imaging (MRI) in chronic anterior cruciate ligament (ACL) tear before and after reconstruction. Materials and Methods: On the MRI image after ACL reconstruction, a base line (BL) was drawn between the femoral and tibial insertion sites of the PCL. Point A was established as the vertically farthest point from BL. Line 1 and 2 were drawn respectively between point A and the insertions of PCL. The angles between BL and Line1 and 2 were defined as angle a and angle b. Correlations between the preoperative anterior knee instability assessed with the KT 1000 arthrometer and the parameters were evaluated. Results: The average angle a was 52.3^o±7.1^o preoperatively and 30.1^o±3.4^o postoperatively, and the average angle b was 28.95^o±4.62^o preoperatively and 22^o±2.9^o postoperatively (p<0.05). The preoperative manual maximal side-to-side difference was 7.2±2.3 mm, which had no significant correlation with angle b. Conclusions: The preoperative buckling of PCL in the case of chronic ACL injury disappeared after ACL reconstruction. The degree of PCL buckling had no correlation with the degree of preoperative anterior instability.

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