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February 26, 2026Veterinary and Comparative Orthopaedics and Traumatology

Gap Formation in Achilles Tendon Reinsertion in Cats: A Comparative Ex Vivo Study of Bone Tunnel and a Bioabsorbable Suture Anchor

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Authors

FGFelix GroßTU WienKHKatja Haslinger-VaughanPTPhilipp J. ThurnerTU Wien

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Overview

Ex vivo study compares gap formation in iliopsoas tendon reinsertion using bone tunnel versus bioabsorbable anchor, highlighting effectiveness.

Key Points

  • This research investigates the differences in gap formation during Achilles tendon reinsertion using two different methods in cats.
  • Gastrocnemius tendons were dissected from feline specimens
  • Reinsertion was performed using either transcalcaneal bone tunnel or bioabsorbable suture anchor
  • Tensile tests were conducted to assess load under physiological conditions
  • Gap formation tracked with a video camera
  • Statistical analysis using t-tests
  • The suture anchor demonstrated significantly higher load at a gap of 0.5 mm compared to the bone tunnel (44.2 N vs. 23.0 N)
  • No 3-mm gap was reached with the suture anchor
  • Failure loads were comparable between both methods, with suture breakage leading to failure
  • The suture anchor resisted gap formation more effectively than the bone tunnel

Cite This Study

Groß et al. (2026) studied this question.

synapsesocial.com/papers/699fe31195ddcd3a253e69aahttps://doi.org/10.1055/a-2812-5029
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