PMID: 8947973Nov 1, 1996Paper

Hemodynamic response to intentionally altered flow continuity of dobutamine and dopamine by an infusion pump in infants

Pharmacotherapy
C D StoweS J Phelps

Abstract

To evaluate the effect of an intentional alteration in infusion pump flow continuity on the hemodynamic stability of infants receiving either dobutamine or dopamine. Prospective, open-label study. A university-affiliated children's hospital. Ten hemodynamically stable infants (age 2 wks-10 mo) in intensive care receiving dobutamine (5) or dopamine (5). Three patients received both agents and were studied at independent times. Dobutamine and dopamine were administered using the Flo-Gard VP pump that delivers an intentional alteration of flow continuity (rate pulse). Heart rate and mean arterial pressure (MAP) were recorded every second. Analysis was based on the measurements obtained from the first 5 minutes on the study pump and the 2 minutes before and after the rate pulse. Although hemodynamic changes in pre- and post-rate pulses were statistically significant (p < 0.05) in some individuals, only one infant had a greater that 10% change in MAP 2 minutes after the rate pulse. Alterations in hemodynamics were not consistent among or within patients. In infants requiring dobutamine or dopamine, no clinically significant pharmacodynamic effects were associated with alteration in continuity of drug delivery caused by the single po...Continue Reading

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