Postoperative decline in plasma aspirin-esterase and cholinesterase activity in surgical patients.
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Abstract
We studied preoperative and postoperative plasma hydrolysis of aspirin and plasma cholinesterase activity in surgical patients. Postoperative aspirin esterase and cholinesterase activities fell sharply (119 +/- 32 micrograms ml h-1 and 3746 +/- 1068 U l-1 respectively; P < 0.01) in comparison to basal preoperative values (157 +/- 33 micrograms ml h-1 and 4620 +/- 940 U l-1 respectively, P < 0.01). We suggest that alterations in plasma esterase during the postoperative period may be related to the metabolic response to anesthesia- and surgery-induced stress.
Medical subject headings
- Carboxylic Ester Hydrolases
- Cholinesterases
- Surgical Procedures, Operative