Biomechanical characteristics of the anatomic rectangular tunnel anterior cruciate ligament reconstruction with a bone-patellar tendon-bone graft

被引：7

作者：

Mae, Tatsuo ^{[1
]}

Shino, Konsei ^{[2
]}

Iuchi, Ryo ^{[2
]}

Kinugasa, Kazutaka ^{[1
]}

Uchida, Ryohei ^{[1
]}

Nakagawa, Shigeto ^{[2
]}

Yoshikawa, Hideki ^{[1
]}

Nakata, Ken ^{[1
]}

机构：

[1] Osaka Univ, Dept Orthopaed Surg, Grad Sch Med, 2-2 Yamada Oka, Suita, Osaka 5650871, Japan

[2] Yukioka Hosp, Ctr Sports Orthopaed Surg, Kita Ku, 2-2-3 Ukita, Osaka 5300021, Japan

来源：

JOURNAL OF ORTHOPAEDIC SCIENCE | 2017年 / 22卷 / 05期

关键词：

ACL RECONSTRUCTION; HAMSTRING TENDONS; SINGLE-BUNDLE; KNEE-JOINT; SOCKET; INJURIES; 2-BUNDLE; TENSION; FORCES; LOADS;

D O I：

10.1016/j.jos.2017.05.006

中图分类号：

R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学（修复外科学）];

学科分类号：

摘要：

Purpose: To clarify 1) the force sharing between two portions of BTB graft in anatomic rectangular tunnel (ART) reconstruction and 2) the knee stability in ART technique under anterior tibial load. Methods: Eleven fresh cadaveric knees were used. First, anterior-posterior (A-P) laxity was measured with Knee Laxity Tester (R) in response to 134 N of A-P tibial load at 20 degrees on the normal knees. Then ART ACL reconstruction was performed with a BTB graft. For graft, the patellar bone plug and tendon portion was longitudinally cut into half as AM and PL portions. After the tibial bone plug was fixed at femoral aperture, AM/PL portions were connected to the tension-adjustable force gauges at tibial tubercle, and were fixed with 10 N to each portion at 20 degrees. Then the tension was measured 1) under anterior tibial load of 134 N at 0, 30, 60, and 90 degrees, and 2) during passive knee extension from 120 to 0 degrees. Next the graft tension was set at 0, 10, 20, 30, or 40 N at 20 degrees, and the A-P laxity was measured by applying A-P load of 134 N. By comparing the laxity for the normal knee, the tension to restore the normal A-P laxity (LMP) was estimated. Results: The AM force was significantly smaller at 0 degrees and larger at 90 degrees than the PL force under anterior load, while the force sharing showed a reciprocal pattern. During knee extension motion, the tension of both portions gradually increased from around 5 N to 20-30 N with knee extended. And the LMP was 1.6 +/- 1.0 N with a range from 0.3 to 3.5 N. Conclusion: The pattern of force sharing was similar to that in the normal ACL in response to anterior tibial load and during passive knee extension motion. LMP in this procedure was close to the tension in the normal ACL. Level of evidence: Level IV, a controlled-laboratory study. (C) 2017 The Japanese Orthopaedic Association. Published by Elsevier B.V. All rights reserved.

引用

页码：886 / 891

页数：6

共 31 条

[1]

Abbott LC, 1944, J BONE JOINT SURG, V26, P503

[2] FUNCTIONAL-ANATOMY OF THE ANTERIOR CRUCIATE LIGAMENT - FIBER BUNDLE ACTIONS RELATED TO LIGAMENT REPLACEMENTS AND INJURIES [J].