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Canadian Journal of Anesthesia, Vol 4, 352-363, Copyright © 1957 by Canadian Anesthesiologists' Society

The Effect of Chlorpromazine on Haemostasis

ALLEN B. DOBKIN M.D.1, LYMAN M. FISHER PH.D.1, and GORDON M. WYANT F.F.A.R.C.S.1

1 Department of Anaesthesia and Physiology, University of Saskatchewan College of Medicine and University Hospital, Saskatoon

A study of the effect of chlorpromazine on the haemostatic mechanism was carried out on thirteen adult male patients in relatively good general health and who were under the stress of preparation for an operation. A reduction in blood pressure indicated a significant decrease in peripheral vascular control, and a decrease in the prothrombin time occurred in most of the patients. These changes did not persist into the postoperative period. Under these clinical conditions and by this technique of study, it was found that chlorpromazine may decrease the coagulability during operation and may increase coagulability postoperatively. The cause of these changes was not revealed.

Note:

This work was supported by the National Research Council of Canada.







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Copyright © 1957 by the Canadian Anesthesiologists' Society.