Resumen

CARMONA-FONSECA, Jaime. Erythrocytic and plasmatic cholinesterases in workers with chronic controlled diseases and in users of medicines. Iatreia [online]. 2006, vol.19, n.1, pp.14-28. ISSN 0121-0793.

PROBLEM: Physiological values of cholinesterase are known in healthy population, but limited information on them is available in individuals with chronic, controlled diseases, either with or without medication. OBJECTIVES: To measure erythrocytic and plasmatic cholinesterase levels in active workers who met the following conditions: to be feeling well and active at their jobs at the time of the study; to suffer from some disease that was under control either with or without medication; not to have been exposed to pesticides based on cholinesterase inhibitors. METHODOLOGY: A survey was carried out among workers affiliated to the Social Security Institute in Antioquia, Colombia, to identify those suffering from some disease and who had it under control. Acetylcholinesterase and butyrylcholinesterase levels were determined using two techniques for the former and three for the latter. Surveyed workers belonged to two different parts of Antioquia, namely: the Aburra Valley and the Near East region. The study sample was made up by 827 persons, 19% of which informed to be suffering from some disease. RESULTS: Prevalence of disease in the Aburra Valley workers was 30% and in those from the Near East region, 9% (p = 0.0000000). The list of their diseases included 13 different ones, the most frequent of which were: hypertension (29%), 'liver disease' (16%), anemia (10%), and arthritis (10%). Out of the 827 people, 127 (15%) were under some kind of medication at the moment of the study; of them, 85% were being treated with only one drug. Eight per cent were diseased and under medication (D+, M+), 74% were neither diseased nor under medication (D-, M-), 11% were diseased but were not being treated (D+, M-), and 7% were not diseased but did use some medication (D-, M+). These four groups were stratified according to region and sex and compared as to cholinesterase levels. No significant differences were found. Comparison of enzymatic values among people with or without specific diseases also did not reveal any significant differences, except for anemia. CONCLUSION: Erythrocytic and plasmatic cholinesterase levels are similar in healthy workers and in those with chronic, controlled diseases, regardless of the use or not of medication.

Palabras clave : ACETYLCHOLINESTERASE; BUTYRYLCHOLINESTERASE; CHOLINESTERASE; ERYTHROCYTE CHOLINESTERASE; PLASMATIC CHOLINESTERASE; WORKERS.

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