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The Graft Insertion Length in the Femoral Tunnel During Anterior Cruciate Ligament Reconstruction With Suspensory Fixation and Tibialis Anterior Allograft Does Not Affect Surgical Outcomes but Is Negatively Correlated With Tunnel Widening

Authors
 Hyun-Soo Moon  ;  Chong-Hyuk Choi  ;  Je-Hyun Yoo  ;  Min Jung  ;  Tae-Ho Lee  ;  Ki-Hong Choi  ;  Sung-Hwan Kim 
Citation
 ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY, Vol.37(9) : 2903-2914.e1, 2021-09 
Journal Title
ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY
ISSN
 0749-8063 
Issue Date
2021-09
Abstract
Purpose: To investigate the surgical outcomes of anterior cruciate ligament (ACL) reconstruction using a low-dose irradiated tibialis anterior allograft with a fixed-loop cortical suspension device for the femur based on the graft insertion length (GIL) in the femoral tunnel.

Methods: Between January 2010 and January 2018, the medical records of consecutive patients who underwent arthroscopic ACL reconstruction with a tibialis anterior allograft fixed with the EndoButton CL for the femur and who had at least 2 years of follow-up were retrospectively evaluated. Patients were classified into 3 groups based on the GIL in the femoral tunnel (group 1, GIL < 15 mm; group 2, GIL of 15-20 mm; and group 3, GIL > 20 mm), and their functional scores, knee laxity, and radiographic parameters were evaluated.

Results: A total of 91 patients were analyzed. There were no statistically significant differences in the functional scores and knee laxity between the 3 groups at 2 years postoperatively. However, significant differences were observed in tunnel widening at 1 year postoperatively in the femur (P = .045 for absolute value and P = .004 for relative value) and the tibia (P = .014 for absolute value and P = .012 for relative value), revealing that both the femoral and tibial tunnels widened as the GIL decreased. Additional linear regression analyses were performed to identify whether the GIL independently affects tunnel widening. Consequently, the femoral tunnel depth, tunnel diameter, and GIL were found to independently influence femoral tunnel widening (P = .008, P = .019, and P < .001, respectively), whereas the tunnel diameter and GIL affected tibial tunnel widening (P < .001 and P = .004, respectively).

Conclusions: The GIL in the femoral tunnel during ACL reconstruction using a tibialis anterior allograft with a fixed-loop cortical suspension device for the femur has no significant association with the postoperative functional outcomes and knee laxity, but it has a negative correlation with tunnel widening in the femur and the tibia.
Full Text
https://www.sciencedirect.com/science/article/pii/S0749806321003388
DOI
10.1016/j.arthro.2021.03.072
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Sung Hwan(김성환) ORCID logo https://orcid.org/0000-0001-5743-6241
Moon, Hyun-Soo(문현수)
Jung, Min(정민) ORCID logo https://orcid.org/0000-0002-7527-4802
Choi, Chong Hyuk(최종혁) ORCID logo https://orcid.org/0000-0002-9080-4904
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/184837
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