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- W2018677777 abstract "The effects of norepinephrine and dobutamine were compared during endotoxin shock in dogs anesthetized either with enflurane (E: 1.5%, N = 12) or with i.v. ketamine (K: 5 mg.kg-1 + 0.2 mg.kg-1.min-1, N = 12). An i.v. bolus of 1.5 mg.kg-1 E. coli endotoxin was followed by saline infusion to restore left-sided filling pressures at baseline. With E, heart rate, mean arterial pressure and stroke index decreased (P less than 0.01). The decrease in oxygen delivery (DO2) and in oxygen consumption (VO2) was associated with an increase in blood lactate. In contrast, K anesthesia was associated with remarkable hemodynamic stability. DO2 was well maintained, VO2 decreased (P less than 0.01) and blood lactate did not change. Under E anesthesia, mean arterial pressure increased more with norepinephrine and heart rate increased more with dobutamine. Under K anesthesia, cardiac index, stroke index and left ventricular stroke work index increased similarly with both agents. In both groups DO2 and VO2 increased markedly. The amount of fluid infused was higher with dobutamine than with norepinephrine. Thus, enflurane but not ketamine had depressant cardiovascular effects at the doses used in this model. With both anesthetics, norepinephrine and dobutamine could effectively improve cardiac function. Dobutamine could therefore represent a valuable alternative to norepinephrine for cardiovascular support during anesthesia in septic shock." @default.
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- W2018677777 date "1991-02-01" @default.
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- W2018677777 title "Adrenergic support during anesthesia in experimental endotoxin shock: norepinephrine versus dobutamine" @default.
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- W2018677777 doi "https://doi.org/10.1111/j.1399-6576.1991.tb03261.x" @default.
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