Publication: Evaluation of biomechanical properties on partial and complete epitendinous suture in human cadaver flexor tendon repair
Issued Date
2021-12-01
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ISSN
1749799X
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2-s2.0-85112441511
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of Orthopaedic Surgery and Research. Vol.16, No.1 (2021)
Suggested Citation
Thepparat Kanchanathepsak, Wilarat Wairojanakul, Sorasak Suppaphol, Ittirat Watcharananan, Panithan Tuntiyatorn, Tulyapruek Tawonsawatruk Evaluation of biomechanical properties on partial and complete epitendinous suture in human cadaver flexor tendon repair. Journal of Orthopaedic Surgery and Research. Vol.16, No.1 (2021). doi:10.1186/s13018-021-02645-6 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/77550
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Title
Evaluation of biomechanical properties on partial and complete epitendinous suture in human cadaver flexor tendon repair
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Abstract
Objective: This study was designed to compare the ultimate tensile strength and force to 2 mm gap formation among 50% partial, 75% partial, and complete circumferential epitendinous suture with a combination of 4-strand core suture in human cadaver flexor tendon. Materials and methods: Forty-five flexor tendons from four soft human cadavers were used to evaluate the biomechanical property among 50% partial, 75% partial, and complete circumferential epitendinous suture with a combination of 4-strand core suture. Results: The force to 2 mm gap of complete epitendinous was significantly greater than partial epitendinous suture (P < 0.05); however, there was no difference between 50% partial and 75% partial epitendinous suture (P > 0.05). For the ultimate strength, there was no significant difference between partial and complete epitendinous suture (P > 0.05). The partial epitendinous was approximately 60% of the complete epitendinous suture in force to 2 mm gap and also 70% of complete epitendinous suture in ultimate tensile strength with a combination of core sutures. Conclusions: The complete epitendinous suture showed better ultimate tensile strength and force to 2 mm gap compared with a partial 50% and 75% epitendinous suture. However, in some clinical scenario which the complete epitendinous suture is not possible to perform, the authors suggested only partial epitendinous suture with 50% circumference is recommended as the additional epitendinous repair up 75% circumference cannot provide any mechanical benefit to the repaired site.