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Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_III | Pages 289 - 289
1 Mar 2003
Hood A
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INTRODUCTION: Tissue growth factors have been extensively investigated as agents for acceleration of wound repair. Individual recombinant molecules have shown promise in animal models, but in humans both safety and efficacy remain questionable1,2 and costs are substantial. Recently introduced technologies allow intra-operative collection of the full naturally occurring array of tissue growth factors contained in platelets and white cells.3 These preparations rely on the normal healing cascade for their performance, and their activity is limited solely to the wound site without undesirable proliferative or inappropriate tissue formation and no systemic effects. Numerous methodologies have been proposed for intra-operative preparation of autologous tissue growth factors for topical application, and an ever widening variety of approaches and formulations are available to the practitioner.3 Physicians trying to decide which technique to adopt can easily find themselves bewildered while attempting to sift through myriad proponent’s claims.4

PURPOSE: This presentation will review the state of the art, including: a summary of the role of autologous growth factors in bone fusion; a discussion of the importance of dosage and carrier matrix effects; an outline of the mechanics of intraoperative preparation; a survey of the capabilities of various techniques, and; an overview of in vitro, experimental and clinical studies. Audience members will receive a detailed understanding of the physiology, mechanics and clinical range of applicability for this newly emerging technology. This information will aid clinicians in choosing the most appropriate methodology for their practice.