ABSTRACT
La exposición a ruido tiene un potencial importante para causar daños a la salud de los trabajadores con efectos auditivos y extra auditivos. El objetivo de la presente investigación fue determinar los niveles de ruido a los que se encuentran expuestos los trabajadores del transporte público de la ciudad de Chihuahua, México, durante la jornada laboral y su asociación con los posibles efectos en la presión arterial. Para ello, se realizaron mediciones de ruido en el ambiente laboral con un dosímetro. Para la medición de presión arterial se utilizó el monitor ambulatorio, el cual mide la presión arterial durante el desarrollo de las actividades laborales. Los parámetros bioquímicos que se midieron fueron colesterol y triglicéridos en ayunas. Con base en los resultados y al análisis de datos se encontró elevada la presión arterial (hipertensión), ruido inestable con variaciones de hasta 106.7 decibeles A (dB A) y un aumento en los lípidos en sangre (triglicéridos). Los resultados nos permiten proponer que la constante exposición al ruido de los choferes de transporte público, es un factor de riesgo importante para el desarrollo de alta presión arterial y un incremento en los niveles de triglicéridos, lo que aumenta el riesgo de sufrir enfermedades cardiovasculares(AU)
Occupational noise exposure can lead to both hearing and non-hearing effects on workers' health. The objective of this study was to measure ambient noise levels that public transportation workers in Chihuahua, Mexico are exposed to, and their association with blood pressure, using a standard noise level dosimeter. We used ambulatory monitors to measure blood pressure over the work shift, and also measured serum cholesterol and triglycerides. Noise levels varied widely, with peaks up to 106.7 decibels (A-scale); we also found elevated blood pressure and triglycerides. Our results suggest that, among public transportation drivers, continuous exposure to noise is a risk factor for elevated blood pressure and triglycerides which, in turn, are risk factors for cardiovascular disease(AU)
Subject(s)
Humans , Male , Adult , Middle Aged , Arterial Pressure , Heart Disease Risk Factors , Hearing , Noise, Occupational/adverse effects , Noise, Transportation/adverse effects , Cardiovascular Diseases , Cross-Sectional Studies , Mexico , Occupational GroupsABSTRACT
This study correlated lung cancer (LC) mortality with statistical data obtained from government public databases. In order to asses a relationship between LC deaths and radon accumulation in dwellings, indoor radon concentrations were measured with passive detectors randomly distributed in Chihuahua City. Kriging (K) and Inverse-Distance Weighting (IDW) spatial interpolations were carried out. Deaths were georeferenced and Moran's I correlation coefficients were calculated. The mean values (over n = 171) of the interpolation of radon concentrations of deceased's dwellings were 247.8 and 217.1 Bq/m(3), for K and IDW, respectively. Through the Moran's I values obtained, correspondingly equal to 0.56 and 0.61, it was evident that LC mortality was directly associated with locations with high levels of radon, considering a stable population for more than 25 years, suggesting spatial clustering of LC deaths due to indoor radon concentrations.
