The physiologic events accompanying postoperative septic complications
in surgical patients represent a coordinated response to bacterial in
vasion, which is aimed at maintaining the function of key organ system
s. When sepsis is prolonged or overwhelming, physiologic dysfunction a
nd multi-organ failure develop. This review outlines the pathophysiolo
gic response to sepsis and correlates it with recent therapeutic advan
ces in the metabolic management of the postoperative septic patient.