摘要

Transtibial pullout suture (TPS) repair of posterior medial meniscus root (PMMR) tears was shown to achieve good clinical outcomes. The purpose of this study was to compare biome-chanically, a novel technique designed to repair PMMR tears using tendon graft (TG) and conventional TPS repair. Twelve porcine tibiae (n = 6 each) TG group: flexor digitorum profundus tendon was passed through an incision in the root area, created 5 mm postero-medially along the edge of the attachment area. TPS group: a modified Mason-Allen suture was created using no. 2 FiberWire. The tendon grafts and sutures were threaded through the bone tunnel and then fixed to the anterolateral cortex of the tibia. The two groups underwent cyclic loading followed by a load-to-failure test. Displacements of the constructs after 100, 500, and 1000 loading cycles, and the maximum load, stiffness, and elongation at failure were recorded. The TG technique had significantly lower elongation and higher stiffness compared with the TPS. The maximum load of the TG group was significantly lower than that of the TPS group. Failure modes for all specimens were caused by the suture or graft cutting through the meniscus. Lesser elongation and higher stiffness of the constructs in TG technique over those in the standard TPS technique might be beneficial for postoperative biological healing between the meniscus and tibial plateau. However, a slower rehabilitation program might be necessary due to its relatively lower maximum failure load.
原文英語
文章編號e0192027
期刊PLoS One
13
發行號2
DOIs
出版狀態已發佈 - 二月 1 2018

指紋

Tibial Meniscus
knees
Tendons
sutures
Tears
Grafts
Sutures
tendons
Knee
Swine
swine
Transplants
Elongation
Repair
Stiffness
tibia
Tibia
methodology
Loads (forces)
suture techniques

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

引用此文

Novel technique for repairing posterior medial meniscus root tears using porcine knees and biomechanical study. / Wu, Jia Lin; Lee, Chian Her; Yang, Chan Tsung; Chang, Chia Ming; Li, Guoan; Cheng, Cheng Kung; Chen, Chih Hwa; Huang, Hsu Shan; Lai, Yu Shu.

於: PLoS One, 卷 13, 編號 2, e0192027, 01.02.2018.

研究成果: 雜誌貢獻文章

Wu, Jia Lin ; Lee, Chian Her ; Yang, Chan Tsung ; Chang, Chia Ming ; Li, Guoan ; Cheng, Cheng Kung ; Chen, Chih Hwa ; Huang, Hsu Shan ; Lai, Yu Shu. / Novel technique for repairing posterior medial meniscus root tears using porcine knees and biomechanical study. 於: PLoS One. 2018 ; 卷 13, 編號 2.
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abstract = "Transtibial pullout suture (TPS) repair of posterior medial meniscus root (PMMR) tears was shown to achieve good clinical outcomes. The purpose of this study was to compare biome-chanically, a novel technique designed to repair PMMR tears using tendon graft (TG) and conventional TPS repair. Twelve porcine tibiae (n = 6 each) TG group: flexor digitorum profundus tendon was passed through an incision in the root area, created 5 mm postero-medially along the edge of the attachment area. TPS group: a modified Mason-Allen suture was created using no. 2 FiberWire. The tendon grafts and sutures were threaded through the bone tunnel and then fixed to the anterolateral cortex of the tibia. The two groups underwent cyclic loading followed by a load-to-failure test. Displacements of the constructs after 100, 500, and 1000 loading cycles, and the maximum load, stiffness, and elongation at failure were recorded. The TG technique had significantly lower elongation and higher stiffness compared with the TPS. The maximum load of the TG group was significantly lower than that of the TPS group. Failure modes for all specimens were caused by the suture or graft cutting through the meniscus. Lesser elongation and higher stiffness of the constructs in TG technique over those in the standard TPS technique might be beneficial for postoperative biological healing between the meniscus and tibial plateau. However, a slower rehabilitation program might be necessary due to its relatively lower maximum failure load.",
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