British Journal of Anaesthesia, Vol 79, Issue 3 276-279, Copyright © 1997 by The Board of Management and Trustees of the British Journal of Anaesthesia
P. H. Martin, BVS. Murthy and A. J. Petros
We have studied prospectively, in nine children requiring sedation to
facilitate mechanical ventilation, the metabolic, biochemical and
haemodynamic effects of infusion of propofol. Children were given infusions
of propofol 1-4mg kg-1 h-1 and fentanyl 1-5 micrograms kg-1 h- 1 for 48 h.
Heart rate, arterial pressure, central venous pressure, fluid balance and
urine output were recorded hourly and sedation scores every 4 h. In
addition to routine haemodynamic and biochemical measurements in the
intensive care, 6-hourly arterial blood-gas analysis and 12-hourly
measurements of serum concentrations of glucose, lactate and electrolytes,
renal function, triglycerides and liver function tests were performed.
Urine was analysed for ketones. There were no significant differences in
haemodynamic or biochemical variables during the 48-h period. In this small
sample of children, propofol combined with fentanyl provided excellent
sedation with no evidence of cardiac, renal or hepatic impairment. Under
these very proscriptive conditions we did not encounter lipaemia or
acidosis with infusion of propofol. Thus propofol may be a safe sedative
agent for use in paediatric intensive care if used appropriately. Further
large scale studies are needed to determine if warnings against the use of
this agent in paediatric intensive care units are justified.
CLINICAL INVESTIGATIONS
Metabolic, biochemical and haemodynamic effects of infusion of propofol for long-term sedation of children undergoing intensive care
Cardiac Intensive Care Unit, Royal Liverpool Children's NHS Trust, Alder Hey, Eaton Road, Liverpool L12 2AP
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