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November 1983

Metabolic Abnormalities Associated With Postoperative Organ Failure: A Redox Theory

Author Affiliations

From the Department of Surgery, Kyoto (Japan) University Medical School.

Arch Surg. 1983;118(11):1245-1251. doi:10.1001/archsurg.1983.01390110003001

• We studied metabolic abnormalities of postoperative organ failure in 55 patients and classified them into four groups according to the postoperative changes in the arterial blood—ketone body ratio (acetoacetic acid–β-hydroxybutyric acid) reflecting hepatic mitochondrial redox potential: patients in group A had no decrease below 0.7, patients in group B had a transient decrease to 0.4, patients in group C had a progressive decrease to below 0.4, and patients in group D (terminal stage) had a decrease to below 0.25. All group A and B patients tolerated their operations well; the group C and D patients had multiple organ failure. In groups B, C, and D, plasma concentrations of alanine, proline, phenylalanine, and tyrosine were negatively correlated with the blood—ketone body ratio and the molar ratios between the plasma concentrations of branchedchain amino acids and aromatic amino acids were positively correlated with the blood—ketone body ratio. Hepatic energy deficit associated with decreasing blood-ketone body ratio may be the metabolic basis of postoperative organ failure.

(Arch Surg 1983;118:1245-1251)