Abstract

CARMONA-FONSECA, Jaime. Cholinesterase levels in active working, pregnant, menstruating, menopausal, or contraceptive user women. Rev Colomb Obstet Ginecol [online]. 2003, vol.54, n.3, pp.146-156. ISSN 0034-7434.

Objective: to measure erythrocyte (EC 3.1.1.7), plasma (EC 3.1.1.8) and whole blood cholinesterases in active working women classified according to their sexual hormone status (SHS). Methodology: in a cholinesterase reference values study (descriptive, prospective, cross sectional) carried out among the working population of Valle de Aburrá and Oriente Cercano Antioqueño (Antioquia, Colombia), a total of 430 women give information about SHS. The enzymatic activity was measured in plasma and erythrocytes using Michel's electrometric and EQM colorimetric techniques. Plasma values were also measured by Monotest® (Boehringer Mannheim kinetics) and whole blood values were measured by Lovibond®, a colorimetric test. Results: in 430 out of 437 women a "declared hormonal status" was known (pregnant, menstruating, other). Upon age association, a "deduced hormonal state" was established (pregnant, menstruating, non-pregnant non-menstruating, menopause). During analyses, 21 women with anemia were excluded and the included (409 women) were distributed as follows: 13 pregnant, 47 menstruating , 307-non pregnant non-menstruating, 42 menopause. Erythrocyte and whole blood cholinesterase were statistically similar among the groups, but plasma values were significantly higher in menopause subjects, followed by non pregnant-no menstruating, lower in menstruating and very low in pregnant. The most significant difference was observed between the menopausic and pregnant groups. The two other groups evidenced similar values. Conclusion: plasma concentration of the enzyme changes with SHS whichever test is applied. The lowest values were observed in pregnant and the highest in menopause women. These two groups coincide with the highest and the lowest female hormone load, between these two groups are the users of hormone therapy replacement, ovulation inhibitors users and those under no hormone treatment.

Keywords : cholinesterase; sexual hormone status; female workers.

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