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- Title
Histological evaluation of tendon-bone anchoring after anterior cruciate ligament reconstruction using hamstring tendon.
- Authors
Mutsuzaki, H.; Watanabe, A.; Ikeda, K.
- Abstract
A 15-year-old girl underwent anterior cruciate ligament (ACL) reconstruction using the hamstring tendon. The ACL graft ruptured 6 months after surgery. She then underwent revision surgery 11 months after rupture of the graft. At the time of the revision surgery, we secured tendon-bone attachment to the posterior tibial tunnel wall. We evaluated the specimen that was cut in the sagittal plane approximately at the tendon-bone interface. Histological examination revealed dense, oblique Sharpey's-like fibers that were firmly attached to the grafted tendon in the mid-portion of the bone tunnel. In contrast, thin Sharpey's-like fibers were loosely attached to the grafted tendon in the proximal and distal portions of the bone tunnel. We judged that the mechanical environment at the tendon-bone interface may cause the differences in the anchoring structures.
- Subjects
TENDONS; MUSCLES; ANTERIOR cruciate ligament injuries; BONE grafting; SURGERY; PLASTIC surgery; EXPERIMENTAL surgery
- Publication
Japanese Journal of Clinical Sports Medicine / Nihon Rinsho Supotsu, 2012, Vol 20, Issue 3, p590
- ISSN
1346-4159
- Publication type
Article