Korean J Anesthesiol.  1990 Apr;23(2):231-236. 10.4097/kjae.1990.23.2.231.

The Changes of Serum Cholinesterase Activity in Term-Pregnant: In the Cesarean Section Patients

Affiliations
  • 1Department of Anesthesiology, Hanyang University, College of Medicine, Seoul, Korea.

Abstract

The serum cholinesterase level is influenced by a variety of disease states, especially in pregnancy as is well established now, although the reasons for the fall in the enzyme in certain conditions and its clinical significance are less clear. This known decrease in plasma cholinesterase activity could lead to the conclusion that the duration of paralysis from succinylcholine will be prolonged in pregnant patients. The purposes of this study were to evaluate the serum cholinesterase activity in nonpregnant women of the child-bearing age group and pregnant women and to evaluate the changes of serum cholinesterase following succinylcholine administration. The results were as follows: 1) The mean value of serum cholinesterase in 60 nonpregnant women of the child-bearing age group was 992.29-1,112.27 U/L. 2) The mean value of serum cholinesterase in 60 pregnant women was 769.40-826-27 U/L. 3) Pregnant women had a diminution of serum cholinesterase activity compared with nonpregnant women of the child-bearing age group, and this diminution was statistically very significant (p<0.01). 4) In Cesarean section patients treated with succinylcholine, there was further diminution of serum cholinesterase activity (P<0.01). With the above results, the possible clinical importance of marked diminution of a serum cholinesterase activity in pregnant women is outlined.

Keyword

Serum cholinesterase; Succinylcholine; Cesarean section

MeSH Terms

Cesarean Section*
Cholinesterases*
Female
Humans
Paralysis
Plasma
Pregnancy
Pregnant Women
Succinylcholine
Cholinesterases
Succinylcholine
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