British Journal of Anaesthesia, Vol 82, Issue 3 427-428, Copyright © 1999 by The Board of Management and Trustees of the British Journal of Anaesthesia
C. P. Rae, M. D. Mansfield, C. Dryden and J. Kinsella
This study was designed to measure ischaemic pain during and after infusion
of adenosine. In a double-blind, placebo-controlled, crossover study, eight
ASA 1 male volunteers received infusion of adenosine 100 micrograms kg-1
min-1 or placebo for 10 min. This was repeated 1 week later with the
alternate infusion. Pain measurements were made during tourniquet-induced
ischaemia in an exercising arm before infusion, during infusion and for 24
h afterwards. Pain was reduced significantly in the adenosine group
compared with the saline group during infusion (median difference 20.8; 95%
confidence interval 2.0-40). There was no significant difference in pain
after infusion and there were no significant changes in cardiovascular
variables. During infusion of adenosine, transient mild chest discomfort,
shortness of breath and facial flushing occurred. We conclude that
adenosine had measurable effects on ischaemic pain which were not sustained
after discontinuation of infusion.
SHORT COMMUNICATIONS
Analgesic effect of adenosine on ischaemic pain in human volunteers
University Department of Anaesthesia, Glasgow Royal Infirmary University NHS Trust, 8-16 Alexandra Parade, Glasgow G31 2ER, UK
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