• D Meadows, J D Edwards, R G Wilkins, and P Nightingale.
• Intensive Care Unit, University Hospital of South Manchester, United Kingdom.
• Crit. Care Med. 1988 Jul 1; 16 (7): 663-6.

AbstractTen patients with severe septic shock were studied. After plasma volume expansion to an optimal pulmonary artery wedge pressure, above which there were no further increases in cardiac index, all patients remained hypotensive and oliguric. The arterial hypotension was unresponsive to increasing doses of dopamine and dobutamine alone and to a fixed combination of both. In all patients studied, infusion of norepinephrine alone reversed the hypotension and increased significantly the mean arterial pressure, systemic vascular resistance and left ventricular stroke work index (p less than .005). There were only minor increases in heart rate. Oxygen transport indices measured in six patients demonstrated variable alterations in oxygen delivery and consumption.

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