GRAFTJACKETŽ Matrix Augmentation of Massive Rotator Cuff Tears

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GRAFTJACKET^Ž Matrix Augmentation of Massive Rotator Cuff Tears

Wayne Z. Burkhead Jr., MD, Stephen J. Snyder, MD and Steven P. Arnoczky, DVM, Dipl ACVS

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Surgical techniques for repair of rotator cuff tears have improved dramatically in the last decade. However, there are times when the quality of the tissue and/or the mobilization of the tissue is insufficient to restore function. It is in these instances that tissue grafts, both autograft and allograft, have been employed in order to re-establish the important force couple provided by the rotator cuff tendons. If the musculotendinous junction and remaining tendon of the rotator cuff muscle can be reattached to near normal (10-15mm) position, then it is possible that an "augmentation graft", not "interposition graft", can be incorporated into the musculotendinous bone complex such that rotator cuff healing and fixation can be enhanced. GRAFTJACKET^Ž Matrix Scaffold is composed of biological substrate components including collagen types I, III, IV, and VII, elastin, chondroitin sulfate, proteoglycans, hyaluronic acid, laminin, tenacin, and fibroblast growth factor. Patented processing technology preserves this biochemical matrix and results in an extracellular framework that is completely intact. This intact matrix, complete with preserved vascular channels, functions to supportrapid revascularization and cellular repopulation.

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