British Journal of Anaesthesia, Vol 77, Issue 3 421-423, Copyright © 1996 by The Board of Management and Trustees of the British Journal of Anaesthesia
A. Doenicke, J. Moss, W. Lorenz, M. Mayer, J. Rau, A. Jedrzejewski and P. Ostwald
In this randomized, double-blind, placebo-controlled study, we have
examined histamine release, haemodynamic and cutaneous effects of
mivacurium administered in low (0.105 mg kg-1 = 1.5 x ED95) and high (0.21
mg kg-1 = 3 x ED95) doses and assessed if oral pretreatment with H1/H2
antagonists would blunt the effects of mivacurium-induced histamine
release. Patients received either ranitidine 300 mg and dimethindene 0.1 mg
kg-1 (H1 blocker) or placebo, orally 1 h before induction of anaesthesia.
Twelve patients were allocated to each group. Although plasma
concentrations of histamine increased significantly in three patients in
the placebo group given low-dose mivacurium, the mean value for the group
was unchanged. Plasma concentrations of histamine increased significantly
in five patients in the placebo group after high-dose mivacurium and the
mean value was increased. There was no consistent correlation between
haemodynamic changes, cutaneous manifestations and histamine
concentrations. Significant cardiovascular reactions occurred in six
patients in the placebo groups and in only one patient treated with
antihistamines.
SHORT COMMUNICATIONS
Effect of oral antihistamine premedication on mivacurium-induced histamine release and side effects
Institute of Anaesthesiology, Ludwig Maximilians-University, Munich, Germany; Department of Anaesthesia and Critical Care, University of Chicago, Chicago, IL, USA; Institute of Theoretical Surgery, Philipps University, Marburg, Germany; Department of Anaesthesia and Critical Care, Martin Luther University, Halle, Germany
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