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Bone & Joint Research
Vol. 8, Issue 6 | Pages 232 - 245
1 Jun 2019
Lu C Zhang T Reisdorf RL Amadio PC An K Moran SL Gingery A Zhao C

Objectives

Re-rupture is common after primary flexor tendon repair. Characterization of the biological changes in the ruptured tendon stumps would be helpful, not only to understand the biological responses to the failed tendon repair, but also to investigate if the tendon stumps could be used as a recycling biomaterial for tendon regeneration in the secondary grafting surgery.

Methods

A canine flexor tendon repair and failure model was used. Following six weeks of repair failure, the tendon stumps were analyzed and characterized as isolated tendon-derived stem cells (TDSCs).