title: [Serum cortisol levels in pre and post journal labor and non auditory manifestations in noise exposed workers of a brewer industry].
abstract: The purpose of this work was to determine the effects of environmental noise in the serum cortisol levels pre and post journal labor and the presence of non-auditory manifestations in workers of a brewer industry. A transversal study was carried out selecting at random 40 workers exposed to noise from the packing area, with ages between 20 and 55 years; and 40 workers from the administrative area without occupational exposition. The exposition was established by means of a medical-occupational history. A 5 mL whole blood sample was taken from each worker pre and post labor day to measure the serum cortisol for electrochemoluminescence. The level of industrial noise was evaluated with a model Quest 1700 sonometer. In the exposed group, there was a higher post labor day serum cortisol concentration than in the control group (p < 0.05). The non auditory manifestations registered were: migraine (50%), gastrointestinal dysfunctions (10%), hypertension (17.75%), irritability (27.5%), insomnia (55%); in spite of the use of auditory protectors in 92.5% of the workers. The levels of noise were > 85 dBA in all the workstations studied. There was not a significant relationship between the intensity of the noise in the workstations and the levels of serum cortisol.
authors.affiliation: Instituto de Medicina del Trabajo e Higiene Industrial, Facultad de Medicina, Universidad del Zulia, Maracaibo, Venezuela.
authors.forename: Liliana
authors.initials: L
authors.lastname: Rojas-González
authors.forename: Rafael
authors.initials: R
authors.lastname: Martínez-Leal
authors.forename: Vinicio
authors.initials: V
authors.lastname: Paz-Araviche
authors.forename: Betulio
authors.initials: B
authors.lastname: Chacín-Almarza
authors.forename: Gilbert
authors.initials: G
authors.lastname: Corzo-Alvarez
authors.forename: Charles
authors.initials: C
authors.lastname: Sanabria-Vera
authors.forename: María
authors.initials: M
authors.lastname: Montiel-López
mesh_terms: D000328:Adult; D004430:Ear Protective Devices; D019649:Food Industry; D005767:Gastrointestinal Diseases / Q000209:etiology; D006801:Humans; D006854:Hydrocortisone / Q000097:blood*; D006973:Hypertension / Q000209:etiology; D008875:Middle Aged; D008881:Migraine Disorders / Q000209:etiology; D009623:Noise, Occupational / Q000009:adverse effects*; D009784:Occupational Diseases / Q000097:blood / Q000209:etiology* / Q000517:prevention & control; D009790:Occupations; D012494:Sampling Studies; D007319:Sleep Initiation and Maintenance Disorders / Q000209:etiology; D013997:Time Factors
chemical_list: D006854:Hydrocortisone