• Akira Kudoh, Hiroshi Katagai, Hajime Takase, and Tomoko Takazawa.
• Department of Anesthesiology, Hirosaki National Hospital, Hirosaki, Aomori, Japan.
• Neuropsychobiology. 2004 Jan 1;50(3):195-9.

AbstractBoth alcohol drinking and depression are risk factors for postoperative confusion and are associated with alteration of pituitary-adrenal function. We investigated the incidence of postoperative confusion, plasma cortisol and ACTH response to surgical stress in depressed patients with alcohol abuse. We studied sixty depressed patients with and without alcohol abuse who underwent abdominal surgery. Postoperative confusion occurred in 4 of 30 patients (13%) in depressed patients without alcohol abuse, 10 of 30 patients (33%) in depressed patients with alcohol abuse. Plasma cortisol concentrations (27.2 +/- 7.0, 28.3 +/- 8.2, 29.2 +/- 4.1, 28.0 +/- 6.3 and 27.9 +/- 5.7 microg dl(-1)) 15, 60 min after the skin incision, 60 min after the end of surgery, the next day and the third day after surgery in depressed patients with alcohol abuse were significantly higher than that (20.1 +/- 6.4, 21.7 +/- 9.6, 22.3 +/- 8.0, 21.9 +/- 6.7 and 20.3 +/- 5.4 microg dl(-1)) in depressed patients without alcohol abuse. In depressed patients with alcohol abuse, plasma cortisol concentrations (34.9 +/- 7.1, 33.2 +/- 5.8 and 33.4 +/- 5.5 microg dl(-1)) 60 min after the end of surgery, the next day and third day after surgery in postoperatively confused depressed patients were significantly higher than those (26.4 +/- 6.3, 25.4 +/- 5.0 and 25.2 +/- 4.9 microg dl(-1)) of nonconfused depressed patients. In conclusion, the incidence of postoperative confusion was significantly higher in depressed patients with alcohol abuse than in depressed patients without alcohol abuse. Increased plasma cortisol concentrations after surgery were associated with postoperative confusion in depressed patients with alcohol abuse.Copyright 2004 S. Karger AG, Basel

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