The Integrated Approach to Suppurative Mediastinitis

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Abstract
Acute mediastinitis after cardiopulmonary procedures remains a devastating complication and a challenge to the reconstructive surgeon. A review of the literature and our own experience confirm the need for early aggressive drainage followed by timely reconstruction. In carefully selected patients, the sternum may be reclosed, provied that omental tissue has been transposed into the defect between the myocardium and the posterior cortex of the sternum. The technique is outlined and the results are analyzed and compared with three additional patient subgroups: (1) sternal wounds rewired over drains, (2) sternal wounds rewired with drains and irrigation catheters, and (3) wounds closed by sternal omental transfers have been performed with complete success. Mediastinal drainage routinely ceases after 3 to 5 days, and hospitalization has averaged 10 to 14 days. Early open debridement allows establishment of drainage and permits close evaluation of the character of the bony sternum. Muscle flaps may then be used in those patients with multiply fractured or flanky necrotic sternal tissue, while sternal closure over omental flaps may be used in all other patients. Adherence to this protocol has allowed for bacteriologic control of the wound, minimal morbidity, and no mortality.

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