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Canadian Journal of Anesthesia, Vol 36, 137-140, Copyright © 1989 by Canadian Anesthesiologists' Society
ARTICLES |
RE Kelly, M Binion, V Malhotra and JF Artusio Jr
New York Hospital, Cornell University Medical Center, New York.
The effect of general anaesthesia on postoperative pulmonary mechanics was studied by comparing pre- and postoperative spirometry in 30 patients undergoing extracorporal shock wave lithotripsy, 15 of whom received a unilateral intercostal nerve block, the remainder a general anaesthetic. Both groups of patients had significant postoperative changes in peak expiratory flow rate, expiratory reserve volume and vital capacity; forced expiratory volume at one second was not significantly changed in either group. There were no significant differences in the pre- or postoperative mechanics between the two groups. We conclude that general anaesthestics do not play a significant role in the generation of abnormalities in postoperative spirometry.
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