Tibial Tunnel Aperture Location During Single-Bundle Posterior Cruciate Ligament Reconstruction: Comparison of Tibial Guide Positions
- Authors
- Shin, Young-Soo; Han, Seung-Beom; Hwang, Yeok-Ku; Suh, Dong-Won; Lee, Dae-Hee
- Issue Date
- 5월-2015
- Publisher
- W B SAUNDERS CO-ELSEVIER INC
- Citation
- ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY, v.31, no.5, pp.874 - 881
- Indexed
- SCIE
SCOPUS
- Journal Title
- ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY
- Volume
- 31
- Number
- 5
- Start Page
- 874
- End Page
- 881
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/93657
- DOI
- 10.1016/j.arthro.2014.12.004
- ISSN
- 0749-8063
- Abstract
- Purpose: We aimed to compare posterior cruciate ligament (PCL) tibial tunnel location after tibial guide insertion medial (between the PCL remnant and the medial femoral condyle) and lateral (between the PCL remnant and the anterior cruciate ligament) to the PCL stump as determined by in vivo 3-dimensional computed tomography (3D-CT). Methods: Tibial tunnel aperture location was analyzed by immediate postoperative in vivo CT in 66 patients who underwent single-bundle PCL reconstruction, 31 by over-the-PCL and 35 by under-the-PCL tibial guide insertion techniques. Tibial tunnel positions were measured in the medial to lateral and proximal to distal directions of the posterior proximal tibia. Results: The center of the tibial tunnel aperture was located more laterally (by 2.7 mm) in the over-the-PCL group than in the under-the-PCL group (P = .040) and by a relative percentage (absolute value/tibial width) of 3.2% (P = .031). Tibial tunnel positions in the proximal to distal direction, determined by absolute value and relative percentage, were similar in the 2 groups. Conclusions: Tibial tunnel apertures were located more laterally after lateral-to-the-PCL tibial guide insertion than after medial-to-the-PCL tibial guide insertion. There was, however, no significant difference between these techniques in distance from the joint line to the tibial tunnel aperture. Insertion lateral to the PCL stump may result in better placement of the PCL in its anatomic footprint.
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