British Journal of Anaesthesia, Vol 76, Issue 5 621-623, Copyright © 1996 by The Board of Management and Trustees of the British Journal of Anaesthesia
D. J. Mellor, E. Moss, E. M. McAteer and M. V. Shah
We have measured extraocular muscle function in 41 patients who received
neuromuscular block with mivacurium 0.2 mg kg-1 during anaesthesia with
propofol, ketorolac, fentanyl and isoflurane in nitrous oxide and oxygen,
which was antagonized at the end of surgery with neostigmine 0.05 mg kg-1
and glycopyrronium 0.01 mg kg-1 in 21 of these patients. Extraocular muscle
function was measured before and after surgery in each group with the
Maddox Wing apparatus and compared with a control group (n = 20) who
breathed spontaneously the same gaseous anaesthetic mixture via a
reinforced laryngeal mask airway. In patients where the action of
mivacurium was antagonized, extraocular muscle function was improved
significantly 20 min after antagonism (P < 0.001) compared with those
who received no antagonism. At 60 min after antagonism, there were no
differences between the groups. There were no differences between patients
who received no neuromuscular blockers and those who received blocker and
antagonist.
CLINICAL INVESTIGATIONS
Effect of antagonism of mivacurium on recovery of extraocular muscle function
Department of Anaesthetics, Leeds General Infirmary, Great George Street, Leeds LS1 3EX
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