Massive edema accumulated after prolonged cardiopulmonary bypass for coronary grafting such that neither the sternum nor the presternal skin could be closed after insertion of a left ventricular assist device. To protect the mediastinum from infection, we applied Biobrane synthetic temporary wound dressing and placed a moist gauze dressing over it. When the dressing was removed 4 days later, the wound was pink, granulating, free from infection, and suitable for closure. Use of Biobrane biologic dressing should be considered when the mediastinum must remain exposed after median sternotomy.
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