Sepsis characterized by: Two or more of the following: Fever or hypothermia; Tachycardia; Tachypnea; WBC greater than 12,000/mm3 or less than 4,000/mm3 or immature neutrophils; Hypotension; Clinical suspicion of infection; Inadequate organ perfusion or organ dysfunction as demonstrated by: Acute deterioration in mental acuity (excluding sedatives or other nonsepsis causes) OR Unexplained metabolic acidosis OR Oliguria for greater than 2 hours OR Unexplained coagulopathy (elevated PT or PTT or platelet count decreased to less than 50% of baseline within 24 hours or less than 100,000/mm3) OR Acute elevation of bilirubin to greater than 2.0 mg/dL AND elevation of alkaline phosphatase, SGOT, or SGPT