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VOLUME 16 , ISSUE 2 ( April, 2012 ) > List of Articles

RESEARCH ARTICLE

Norepinephrine supplemented with dobutamine or epinephrine for the cardiovascular support of patients with septic shock

Khaled M. Mahmoud, Amany S. Ammar

Keywords : Cardiovascular support, dobutamine, epinephrine, norepinephrine, septic shock

Citation Information : Mahmoud KM, Ammar AS. Norepinephrine supplemented with dobutamine or epinephrine for the cardiovascular support of patients with septic shock. Indian J Crit Care Med 2012; 16 (2):75-80.

DOI: 10.4103/0972-5229.99110

License: CC BY-ND 3.0

Published Online: 01-04-2012

Copyright Statement:  Copyright © 2012; Jaypee Brothers Medical Publishers (P) Ltd.


Abstract

Background and Aims: Sepsis management remains a great challenge for intensive care medicine. The aim of this study was to evaluate the effect of adding dobutamine versus epinephrine to norepinephrine in treating septic shock patients refractory to fluid therapy. Materials and Methods: Sixty adult patients with the diagnosis of septic shock were included in this study. Norepinephrine infusion was started at a dose of 0.05 μg/kg/min, and increased gradually up to 0.1 μg/kg/min. Upon reaching this dose, patients with mean arterial pressure <70 mmHg were further divided randomly into two equal groups. In group I: the patients continued on norepinephrine and dobutamine was added at a starting dose of 3 μg/kg/min and increased in increments of 2 μg/kg/min up to 20 μg/kg/min. In group II: the patients continued on norepinephrine and epinephrine was added in a starting dose of 0.05 μg/kg/ min and increased in increments of 0.03 μg/kg/min up to 0.3 μg/kg/min. Results: Group II patients developed significantly better cardiovascular parameters, lower arterial pH and higher serum lactate and urine output; however, the 28-day mortality and major adverse effects were comparable in both groups. Conclusions: The addition of epinephrine to norepinephrine has positive effects on the cardiovascular parameters but negative results on the serum lactate concentration and systemic pH compared with the addition of dobutamine to norepinephrine.


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