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KMID : 0359620170290030195
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Journal of Korean Knee Society
2017 Volume.29 No. 3 p.195 ~ p.202
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Tomographic Study of Femoral Positioning in Anterior Cruciate Ligament Reconstruction Using the Transtibial Technique
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Da Silva Robson Rocha
Matos Marcos Almeida
Costa Valonie Carlos Neves Brasileiro
De Morais Vitor Hugo Abreu Azevedo
De Castro Luiz Eduardo Lago
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Abstract
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Purpose: To analyze the location of the femoral tunnel by three-dimensional computed tomography (3D CT) of the lateral condyle in patients who underwent arthroscopic single-bundle anterior cruciate ligament (ACL) reconstruction, performed using a modified transtibial technique, and to compare the results with data from the literature.
Materials and Methods: Seventeen patients with ACL lesions underwent modified transtibial ACL reconstruction. Postoperatively, 3D CT examinations were performed and the images were analyzed by the quadrant system described by Bernard and Hertel to define the femoral tunnel coordinates.
Results: The mean value of femoral tunnel location coordinates was 37.1±5.9 in the horizontal plane and 23.9±7.5 in the vertical plane. Compared with other studies using the transtibial or transportal technique, femoral positioning was improved in the vertical plane. The outside-in technique provided the best results both in the vertical and horizontal planes.
Conclusions: The modified transtibial technique was not effective for systematically anatomic femoral tunnel positioning; however, it was relatively better than the conventional transtibial technique.
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KEYWORD
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Knee, Anterior cruciate ligament reconstruction, Three-dimensional computed tomography, Transtibial technique, Tunnel position
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