Structural and biomechanical characteristics after early mobilization in an Achilles tendon rupture model: operative versus nonoperative treatment.
RatOtherSprague-DawleyMalen = 80 rats, 40 conservative and 40 operativeAt the time of tenotomy
Model: Surgical dissection (tenotomy) of the hindpaw Achilles tendon
Operative repair gave greater tensile strength and stiffness at 1 and 2 weeks and larger repair-site diameter, but shorter tendon length throughout, whereas conservative treatment gave superior cellular histology and more homogeneous collagen distribution together with significant tendon lengthenin…
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