Plasma cholinesterase levels during cardiopulmonary bypass : a report on 10 cases
CITATION: Roelofse, J. A. & Van der Bijl. 1987. Plasma cholinesterase levels during cardiopulmonary bypass : a report on 10 cases. South African Medical Journal, 71:662-664.
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Plasma cholinesterase levels of 10 male patients were determined before, during and after cardiopulmonary bypass surgery. These levels dropped significantly below the pre-anaesthetic values after commencing anaesthesia. In 6 patients levels returned to pre-anaesthetic values before or on the 2nd post-operative day. This could not be explained in terms of enzymic biosynthesis alone, and it is suggested that postoperative fluid readjustments may play an important role in certain cases.