AI Article Synopsis
- Two patients experienced late-term ruptures of flexor tendon grafts, occurring 10 and 40 years after surgery, due to low-energy events.
- The ruptures were found to be intratendinous rather than at the insertion points, with electron microscopy revealing degeneration and increased matrix deposition.
- Viable tenocytes were present in the grafts, but there was a lack of clear vascular organization, indicating that even successfully reconstructed tendons can degenerate and rupture many years later.
Article Abstract
Two patients are presented with late-term ruptures of their flexor tendon grafts 10 and 40 years, respectively, after reconstruction. Both occurred from low-energy mechanisms. Their ruptures were intratendinous and not at the proximal or distal insertions. Electron microscopy demonstrated degeneration and increased matrix deposition. Immunohistology showed viable tenocytes, but no clear vascular organization to the disrupted grafts. Even after clinically successful flexor tendon autograft, tendons may still be at risk of degeneration and rupture a decade or more after reconstruction.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10035095 | PMC |
| http://dx.doi.org/10.1177/15589447221131846 | DOI Listing |
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