Intraoperative Graft Isometry in Anatomic Single-Bundle Anterior Cruciate Ligament Reconstruction

Overview

Journal Knee Surg Relat Res

Publisher Biomed Central

Date 2018 May 30

PMID 29843198

Citations 11

Authors

You Keun Kim

Jae Doo Yoo

Sang Woo Kim

Sang Hoon Park

Joon Hee Cho

Hyung Mook Lim

Affiliations

Soon will be listed here.

Abstract

Purpose: Little is known about the isometry of anatomic single-bundle anterior cruciate ligament (ACL) tunnel positions although it is closely related to graft tension throughout the range of motion. The purpose of this study was to evaluate intraoperative graft isometry in anatomic single-bundle ACL reconstruction .

Materials And Methods: Graft length changes were assessed before bio-screw fixation in the tibial tunnel by pulling the graft with tensions of 20 lbs and 30 lbs in full extension at flexion angles of 30°, 60°, 90°, and 120°.

Results: At the flexion angle of 30°, 20 lbs and 30 lbs of tension showed -0.4 mm and -0.6 mm length changes, respectively. The greater the flexion angle of the knee, the shorter the graft length in the joint. At the flexion angles of 90° and 120°, there was significant difference in the graft length change between 20 lbs and 30 lbs of tension.

Conclusions: Anatomic single-bundle ACL reconstruction was non-isometric. The graft length was the longest in full extension. The tension of graft became loose in flexion. At the flexion angles of 90° and 120°, there was significant difference in the graft length change between 20 lbs and 30 lbs of tension.

Citing Articles

[Research progress of tibial-graft fixation methods on anterior cruciate ligament reconstruction].

Yang D, Wang F, Zhang Q, Zhang Y, Shentu H, Wang F Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi. 2023; 37(9):1162-1168.

PMID: 37718432 PMC: 10505633. DOI: 10.7507/1002-1892.202306041.

Application of New Media Big Data in Visual Performance of Axonometric Illustration.

Zhou J Appl Bionics Biomech. 2022; 2022:2909974.

PMID: 36254225 PMC: 9569234. DOI: 10.1155/2022/2909974.

Six Percent Incidence of Graft-Tunnel Mismatch in Anatomic Anterior Cruciate Ligament Reconstruction Using Bone-Patella Tendon-Bone Autograft and Anteromedial Portal Drilling.

Dwyer T, Hoit G, Sellan M, Gopinath R, Whelan D, Theodoropoulos J Arthrosc Sports Med Rehabil. 2022; 4(2):e479-e486.

PMID: 35494272 PMC: 9042781. DOI: 10.1016/j.asmr.2021.11.006.

Graft isometry during anatomical ACL reconstruction has little effect on surgical outcomes.

Moon H, Choi C, Yoo J, Jung M, Lee T, Hong K Knee Surg Sports Traumatol Arthrosc. 2021; 30(5):1594-1604.

PMID: 34264371 DOI: 10.1007/s00167-021-06654-0.

Self-Tensioning Feature of Knotless Suture Anchor Provides Reproducible Knotless Fixation Independent of Initial Tension.

Athiviraham A, Lee C, Smith P, Piepenbrink M, Mackin A, Wijdicks C Orthop J Sports Med. 2021; 9(3):2325967121991593.

PMID: 34250166 PMC: 8237213. DOI: 10.1177/2325967121991593.

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