• T Kawamura, K Okada, H Okada, J Akiyama, M Ishida, and R Wakusawa.
• Department of Anesthesiology, Iwate Medical University, 19-1 Uchimaru, 020, Morioka, Iwate, Japan.
• J Anesth. 1994 Sep 1;8(3):261-4.

AbstractSerum lactate concentrations and the lactate/pyruvate (L/P) ratio were measured in two groups of patients undergoing radical esophagectomy, as an indicator of tissue hypoxia, and β-glucuronidase and granulocyte elastase as indicators of tissue damage. One group received prostaglandin E1 (PGE1) and the other group received nothing. Serum lactate concentrations and the L/P ratio increased significantly 30 min after starting thoracotomy in the patients who were not treated with PGE1. On the contrary, intravenous drip infusion of PGE1 (0.04 μg·kg(-1)·min(-1)) suppressed the increases in serum lactate concentratons and L/P ratios. Plasma granulocyte elastase activity increased significantly at the end of surgery in both groups. There was no change in serum β-glucuronidase activity in both groups. This study suggests that low doses of PGE1 maintain organ blood flow without affecting blood pressure. However, these low doses of PGE1 could not suppress granulocyte elastase release.

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