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Stephen F. Lovich, MD; Leigh I. G. Iverson, MD; J. Nilas Young, MD; Coyness L. Ennix, Jr, MD; James E. Harrell, Jr, MD; Roger R. Ecker, MD; Glen Lau, MD; Patrick Joseph, MD; Ivan A. May, MD

Arch Surg. 1989;124(10):1192-1194.

Abstract
• Postcardiotomy sternal infection occurred in 20 (2%) of 1007 patients undergoing cardiac surgery between September 1985 and December 1987, a 10-fold increase over the preceding 33 months (4 [0.24%] of 1627 patients). Cultures were sterile in 5 patients and yielded staphylococci in 12 and a variety of bowel organisms in 3. The cause for the increased occurrence of sternal wound infection is unclear after multivariate analysis, although infections have precipitously dropped subsequent to changing to cefuroxime sodium antibiotic prophylaxis. Treatment has evolved to appropriate antibiotics and early débridement of involved sternum and cartilage. Rewiring the sternum is not attempted. If gross purulence is not present, primary closure is accomplished using muscle flaps (2 patients) or omental pedicle grafts (17 patients). In the presence of gross purulence, the wound is packed open for 5 days and then closed in the above fashion. Two patients required skin grafts for primary closure. The omental pedicle flap is preferred due to simplicity and improved coverage of the sternal defect inferiorly. Nineteen patients healed primarily. A superficial wound infection was drained in 1 patient. Midline incisional hernias developed in 3 muscular patients. Omentum is now harvested through a left subcostal incision. Hospital stay was under 2 weeks in 13 patients. One death occurred due to multisystem failure prior to completion of wound closure. In our experience, early sternal débridement and omental pedicle grafting with primary closure is appropriate therapy for postcardiotomy sternotomy infections. The presence of gross purulence may require 5 days of open packing prior to omental grafting. No significant complications occurred, and mortality was low. A left subcostal incision for omental harvesting is utilized to avoid the occurrence of delayed incisional hernias.

(Arch Surg. 1989;124:1192-1194)

Author Affiliations
From Samuel Merritt Hospital, Oakland, Calif.

Footnotes
Accepted for publication June 22, 1989.

Read before the 60th Annual Meeting of the Pacific Coast Surgical Association, Vancouver, Canada, February 22, 1989.

Reprint requests to 365 Hawthorne Ave, Suite 301, Oakland, CA 94609-3102 (Dr Iverson).

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