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- W2352988304 abstract "Objective To present the preoperative planning protocol and surgical procedures of computerized navigation technique in arthroscopic anterior cruciate ligament (ACL) reconstruction, and the comparative study results of tibial and femoral bone tunnel positions between navigation and arthroscopy technique. Methods The proper placement of femoral and tibial tunnels were planned preoperatively in standard AP and lateral X-ray view. Intraoperative fluoroscopic images were taken and inputed into navigation computer system to form the virtual interactive working fields. After placement and registration, signals from patient trackers being fixed into distal femur and tibia respectively, and tool trackers being attached with ACL tibial and femoral guide, were identified and captured by the optic navigation camera and so, the navigation computer system could pursued the real-time position of the ACL guide tools and the virtual tunnel positions were projeted into the working fields to help precise placement of femoral and tibial tunnels. From December 2005 to April 2006, 46 patients underwent fluoroscopy assisted anterior cruciate ligament reconstruction. Of them, 40 cases were evaluated with the postoperative X-ray lateral view to measure the placement of both femoral and tibial tunnels, and compared with the group of 40 cases of arthroscopy assisted ACL reconstruction in the same study period. Results For the navigation group, the average position of tibial tunnel was 45.35%±3.827% (37% to 53%) and 62.25%±5.610% (52% to 73%) for femoral tunnel. For the arthroscopic group, the average tunnel positions was 41.05%±6.008% (25% to 54%) for the tibia, and 56.62%±7.316% (46% to 77%) for the femur. With reduced SD, the average positions for both of the 2 tunnels in the navigation group were significantly more posterior than the arthroscopic group(P 0.05). Conclusion The placement for both of the tibial and femoral tunnels shows more posterior in the navigation group than that in the arthroscopic group. Fluoroscopic-based navigation assisted technique can optimize arthroscopic anterior cruciate ligament reconstruction with improvement of accuracy and reproducibility." @default.
- W2352988304 created "2016-06-24" @default.
- W2352988304 creator A5033713296 @default.
- W2352988304 date "2006-01-01" @default.
- W2352988304 modified "2023-09-24" @default.
- W2352988304 title "Computerized navigation assisted arthroscopic anterior cruciate ligament reconstruction" @default.
- W2352988304 hasPublicationYear "2006" @default.
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