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  • Title: [Effects of prostaglandin E1 and epidural block on circulatory, hepatic and renal functions during anesthesia for major upper abdominal surgeries].
    Author: Kaneko M, Asano M, Uchida H, Saito Y, Nakamura Y, Kosaka Y.
    Journal: Masui; 1992 Jul; 41(7):1094-100. PubMed ID: 1495175.
    Abstract:
    The effects of low dose (0.02 microgram.kg-1.min-1) prostaglandin E1 (PGE1), epidural block (EP) or combination of PGE1 and EP (PGE1 + EP) under general anesthesia on circulatory, hepatic and renal functions were studied in 31 patients undergoing major upper abdominal surgeries without hepatic or renal dysfunction preoperatively. Mean arterial pressure decreased by 10% in PGE1 and EP groups, while 20% in PGE1 + EP group. Cardiac output decreased significantly in EP group, increased in PGE1 group and was unaltered in PGE1 + EP group during anesthesia and the operation. The arterial ketone body ratio as a hepatic function test increased following the administration of PGE1 or epidural block. Urine output, osmotic clearance and free water clearance were higher in PGE1 + EP group during the operation. These results suggest that the combination of low dose PGE1 and epidural block maintain cardiac output and organ blood flow during anesthesia and surgery in spite of a greater decrease in arterial blood pressure.
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