Replacement of the Medial Collateral Ligament with Polypropylene Mesh or a Polyester Suture in Dogs |
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Authors: | GILBERT T ROBELLO DVM MS DENNIS N ARON DVM Diplomate ACVS TIMOTHY L FOUTZ MS PhD GEORGE N ROWLAND DVM PhD Diplomate ACVP |
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Institution: | Department of Small Animal Medicine, College of Veterinary Medicine, University of Georgia, Athens. |
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Abstract: | The medial collateral ligament of one stifle in 20 adult dogs was excised and replaced with polypropylene mesh or a polyester suture. After 26 weeks, the fibrous tissue-prosthesis composites were evaluated clinically, morphologically, and biomechanically. Clinical lameness was not significantly different after 10 days. The polypropylene mesh reconstructions consistently had more fibrous tissue and greater collagenous ingrowth than the polyester suture reconstructions. There were four complications related to fixation of the polypropylene mesh prosthesis and one to the polyester suture. The polypropylene mesh reconstructions had greater stability and were biomechanically more similar to the natural ligaments than the polyester suture reconstructions. Although the results with polypropylene mesh were favorable, more challenging biomechanical testing and alternative anchoring techniques are required before polypropylene mesh can be recommended as a collateral ligament replacement in dogs. |
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