British Journal of Anaesthesia, Vol 83, Issue 2 275-278, Copyright © 1999 by The Board of Management and Trustees of the British Journal of Anaesthesia
Y. Saitoh, Y. Narumi, Y. Fujii and M. Ueki
We have studied detection of fade in response to train-of-four (TOF),
double-burst stimulation3,3 (DBS3,3) or DBS3,2, assessed tactilely by the
anaesthetist using the index finger of the non-dominant hand and the thumb
of the patient, compared with that assessed when the index finger of the
dominant hand was used. The probability of detection of any fade in
response to TOF or DBS3,3 using the non-dominant hand was significantly
less than when the dominant hand was used (P < 0.05). The probability of
identification of fade in response to DBS3,2 assessed using the
non-dominant hand was comparable with that evaluated using the dominant
hand when TOF ratios were 0-0.9, but when TOF ratios reached 0.91-1.00,
detection using the non-dominant hand was significantly less common than
with the dominant hand (12% vs 33%; P < 0.05). Using the non-dominant
hand, the probability of detection of fade in response to ulnar nerve
stimulation was less than that with the dominant hand and only the absence
of DBS3,2 fade ensured sufficient recovery of neuromuscular block.
CLINICAL INVESTIGATIONS
Tactile evaluation of fade of the train-of-four and double-burst stimulation using the anaesthetist's non-dominant hand
Department of Anaesthesiology, Toride Kyodo General Hospital, 2-1-1, Hongo, Toride City, Ibaraki, 302-0022, Japan; Department of Anaesthesiology, Institute of Clinical Medicine, University of Tsukuba, Ibaraki, Japan; Department of Anaesthesiology and Critical Care Medicine, Faculty of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
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