ArticleJournal of orthopaedic surgery and research2022
Age-related changes in mechanical properties of semitendinosus tendon used for anterior cruciate ligament reconstruction.
Article in Journal of orthopaedic surgery and research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 5 citations in OpenAlex.
- Article
- Evaluation of the Mechanical Behavior of the Patellar and Semitendinosus Tendons Using Supersonic Shear-wave Imaging (SSI) Elastography and Tensile Tests.Revista brasileira de ortopedia · 2024Article
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8 authors at 2 institutions in 1 country.
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Abstract
backgroundHamstring tendons are a popular choice for autografts in anterior cruciate ligament (ACL) reconstruction. However, there is increasing evidence that hamstring tendon autografts carry a high risk of revision and residual instability in young patients. To elucidate the reasons for the inferior outcome of the reconstructed ACL with hamstring tendon autografts in young patients, we investigated the Young's modulus and the extent of cyclic loading-induced slackening of the semitendinosus tendon used for ACL reconstruction across a broad range of ages.
methodsTwenty-six male patients (aged 17-53 years), who were scheduled for ACL reconstruction surgery using the semitendinosus tendon autograft, participated in this study. The distal portion of the harvested semitendinosus tendon, which was not used to construct the autograft, was used for cyclic tensile testing to calculate the Young's modulus and the extent of slackening (i.e., increase in slack length).
resultsSpearman correlation analysis revealed that the Young's modulus of the semitendinosus tendon was positively correlated with the patient's age (ρ = 0.559, P = 0.003). In contrast, the extent of tendon slackening did not correlate with the patient's age.
conclusionsWe demonstrated that the Young's modulus of the semitendinosus tendon increases with age, indicating that the semitendinosus tendon used for ACL reconstruction is compliant in young patients.
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