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PCL fovea landmark technique may be an alternative for locating the tibial tunnel
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Recently published results showed, when locating the anatomic tibial tunnel during transtibial PCL reconstruction, use of the PCL fovea landmark technique might be an alternative method to use of the fluoroscopic imaging technique.
Researchers retrospectively compared the use of the fluoroscopic imaging technique in 26 patients (group 1) with the use of the PCL fovea landmark technique without the help of fluoroscopy in 23 patients (group 2) to locate and prepare for tibial tunnel formation during transtibial PCL reconstruction. Researchers used 3-D surface-modeled CT images that appropriately located the position of the PCL fovea on the tibial plateaus, and evaluated ratios between total length of the fovea and length of the tunnel center from the medial border and posterior edge.
Yong Seuk Lee
Results showed a ratio of approximately 35.4% between sagittal tunnel length and total sagittal length for group 1 and a ratio of 44.1% for group 2. Researchers found a ratio of approximately 47.3% between the coronal tunnel lengths and total coronal lengths for group 1 and a ratio of 57.3% for group 2. Researchers noted a more laterally positioned tibial tunnel in group 2 compared with group 1. – by Casey Tingle
Disclosure: The research was supported by Basic Science Research Program through the National Research Foundation of Korea funded by the Ministry of Education.
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