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KMID : 1094020230400010016
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Journal of Veterinary Clinics
2023 Volume.40 No. 1 p.16 ~ p.24
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Comparison of Augmentation Method for Achilles Tendon Repair: Using Thoracolumbar Fascia and the Polypropylene Mesh
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Seo Ji-Eun
Lee Won-Jae
Jang Min
Seo Min-Soo
Jeong Seong-Mok
Ku Sae-Kwang
Kwon Young-Sam
Yun Sung-Ho
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Abstract
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This study aimed to compare complete ruptured tendon healing between two different repair methods using the Achilles tendon of New Zealand white rabbits. Thoracolumbar fascia (TF) padded Kessler suture, polypropylene mesh (PM) padded Kessler suture, and Kessler suture only were performed on the completely transected lateral gastrocnemius tendon, and biomechanical and histologic characteristics were assessed after 8 weeks. For biomechanical assessment, the tensile strength of each repaired tendon was measured according to the established methods. For histomorphometric analysis, hematoxylin and eosin staining for general histology, and Masson's trichrome (MT) staining for collagen fibers, Alcian blue (AB) staining for proteoglycans were performed and analyzed. Significant increases in tensile strength with remarkable decreases in the abnormalities against nuclear roundness, cell density, fiber structure, and fiber alignment and significant decreases in the mean number of infiltrated inflammatory cells and AB-positive proteoglycan-occupied regions with increases in MT-positive collagen fiber-occupied regions were demonstrated in the Kessler suture with PM or TF padding groups as compared to those of the Kessler suture group. Both of PM and TF provided potent tensile strength and supported healing with the evidence of histological examinations. This means that augmentation with PM is useful for repairing a completely ruptured Achilles tendon, without additional surgery for autograft material harvesting.
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KEYWORD
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achilles tendon, augmentation, kessler suture, polypropylene mesh, thoracolumbar fascia
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