Histological study of fresh versus frozen semitendinous muscle tendon allografts

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Histological Study of Fresh Versus Frozen Semitendinous Muscle Tendon Allografts

OBJECTIVE The purpose of this study was to histologically analyze allografts from cadaveric semitendinous muscle after cryopreservation at -80 degrees C in comparison to a control group kept at only -4 degrees C to test the hypothesis that the histological characteristics of the tissue are maintained when the tendons are kept at lower temperatures. METHODS In a tissue bank, 10 semitendinous t...

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Maxillary ridge augmentation with fresh-frozen bone allografts.

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This article describes two cases of augmentation of ruptured tendon with fresh frozen Achilles tendon allograft (FFATA) in dogs. Case 1 was a two-year-old crossbreed dog (29 kg) that presented with an open wound on the right forelimb and with complete rupture of the flexor carpi ulnaris and superficial digital flexor tendons. Case 2 was a four-year-old crossbreed dog (4 kg) with partial rupture...

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Chondrocyte viability in fresh and frozen large human osteochondral allografts: effect of cryoprotective agents.

Chondrocyte survival is a major goal for the effective storage and clinical performance of human osteochondral allografts. The majority of animal and human cryopreservation studies conducted so far have been performed in small osteochondral cylinders. Using human tibial plateaus as a model for large osteochondral pieces, this work sought to evaluate the cryoprotective efficiency of glycerol and...

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ژورنال

عنوان ژورنال: Clinics

سال: 2010

ISSN: 1807-5932

DOI: 10.1590/s1807-59322010000300010