Levels of exhaled carbon monoxide in steakhouse workers in a town in the Brazilian Legal Amazon region





Carbon monoxide, Occupational groups, Occupational exposure, Occupational health, Air pollution


Occupational exposure to smoke from commercial kitchens such as steakhouses may be associated with an increase in the prevalence of respiratory symptoms and an acute reversible decrease in pulmonary functional capacity, and exposure to coal smoke is a risk factor for the development of respiratory diseases. The objetive of study was evaluate the levels of exhaled carbon monoxide (COex) and carboxyhemoglobin (COHb) in steakhouse workers. This is an observational, longitudinal and prospective study in the city of Cuiabá, Mato Grosso, Brazil. The total of 29 professionals working in steakhouses participated in the study. Data on socio-demographic characteristics, work environment characteristics, life habits and respiratory symptoms were extracted from questionnaires. COex and COHb levels were measured before exposure and every hour up to a 4 hour exposure period. Twenty-nine workers participated, with a predominance of females (55.2%), with a mean age of 36.40±11.49 years. It was observed that 18 (62%) of the workers had respiratory symptoms. COex and COHb levels were elevated after 4 hour exposure (p<0.05), but within acceptable parameters.  COex and COHb levels are elevated in a short period of time to occupational exposure to steakhouse activities.


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Author Biographies

Igor Rian Bonelli de Oliveira, Universidade de Cuiabá, Cuiabá, MT, Brazil

Master in Environment and Health. Professor at the University of Cuiabá (UNIC) - Campus Rondonópolis - MT.

Osvaldo Borges Pinto JR, Universidade de Cuiabá, Cuiabá, MT, Brazil

Doctor in Tropical Agriculture. Professor at the University of Cuiabá (UNIC) - MT, in the Master's Degree in Environmental Sciences.

Silkiane Machado Capeleto, Universidade de Cuiabá, Cuiabá, MT, Brazil

Master in Environment and Health. Professor at the Universidade Estadual de Mato Grosso (UNEMAT) - Campus Diamantino - MT.

Cristhiane Almeida Leite da Silva, Universidade de Cuiabá, Cuiabá, MT, Brazil

Doctor in Pathology. Professor at the Universidade de Cuiabá (UNIC) - MT of the Master's Degree in Environment and Health and the Master's Degree in Environmental Sciences.

Walkiria Shimoya-Bittencourt, Universidade de Cuiabá, Cuiabá, MT, Brazil

Doctor of Science. Professor at the Universidade de Cuiabá (UNIC) - MT of the master's degree in Environment and Health.


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2022-09-03 — Updated on 2022-09-23


How to Cite

Oliveira, I. R. B. de, Pinto JR, O. B., Capeleto, S. M., Silva, C. A. L. da, & Shimoya-Bittencourt, W. (2022). Levels of exhaled carbon monoxide in steakhouse workers in a town in the Brazilian Legal Amazon region. Ciência E Natura, 44, e44. https://doi.org/10.5902/2179460X67575 (Original work published September 3, 2022)

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