Management of Associated Soft-Tissue Injury

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Initially, soft-tissue injuries associated with vascular trauma require management according to the general surgical principles of wound care. Antimicrobial prophylaxis should be instituted. The mechanism and extent of injury must be determined, and debridement and irrigation should be completed in the operating room with the intent to preserve vital structures, decrease bacterial contamination, and render the wound free of devitalized tissue. Prompt coverage of exposed vascular repairs is vital in order to minimize the chance for infection and to protect the repair from desiccation and subsequent trauma. Early primary closure of heavily contaminated wounds can have disastrous results. Therefore, questionable wounds should be managed by delayed primary closure after repeated irrigation and debridements, with the definitive decision as to the timing of wound closure being based on quantitative cultures. The plastic and reconstructive surgeon can aid the vascular surgeon in the primary or secondary closure of such wounds by bringing healthy, vascularized muscle to cover the vascular repair. Vascularized muscle has proved superior in the coverage and healing of contaminated wounds. If conditions permit, this can be most readily accomplished by transfer of local muscle. Musculocutaneous flaps are of special value in cases that require increased durability or where extended coverage is necessary. With either of these flap techniques, the surgeon must be thoroughly familiar with the anatomy, blood supply, and function of the local muscles. Free-tissue transfer is to be utilized when local tissue is severely damaged in a way that precludes the use of adjacent muscle or myocutaneous flaps. Strict adherence to the principles and techniques of microsurgery, thorough evaluation of the zone of injury and recipient blood vessels, and understanding of the principles governing local muscle transfer are essential for a successful outcome.