Heart rate variability and particulate exposure in vehicle maintenance workers: a pilot study

Journal of Occupational and Environmental Hygiene
Robert M Eninger, Frank S Rosenthal

Abstract

The association between occupational exposure to PM(2.5) and heart rate variability was investigated in a repeated measures, longitudinal study of vehicle maintenance workers occupationally exposed to automobile emissions. Five subjects were monitored for occupational exposure to fine particulate matter (PM(2.5)) on 6 workdays using an aerosol photometer, validated with side-by-side sampling with a gravimetric method. End-of-day heart rate variability statistics were derived using short-term electrocardiogram recordings for each participant. Workplace carbon monoxide and outdoor, ambient fine particulate matter were also monitored. Regression statistics were used to investigate associations between same-day PM(2.5) levels and heart rate variability statistics using mixed-effects multiple regression of pooled data. No statistically significant associations were observed between occupational PM(2.5) and measures of heart rate variability. A statistically significant increase in total spectral power was associated with ambient PM(2.5) (p < 0.05). The data suggest a threshold below which no degradation in cardiac autonomic control of healthy workers occurs when challenged by occupational PM(2.5) exposure. This study was limited in ...Continue Reading

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Citations

Jul 25, 2007·Cardiovascular Toxicology·William H RowanWilliam P Watkinson
Nov 8, 2006·Journal of Occupational and Environmental Hygiene·Frank S RosenthalLaurent L Couetil
Jan 21, 2009·American Journal of Epidemiology·Shona C FangDavid C Christiani
Jul 20, 2007·Environmental Health Perspectives·Jennifer M CavallariDavid C Christiani
Jul 10, 2010·International Journal of Environmental Research and Public Health·Shona C FangDavid C Christiani
Aug 18, 2012·Bulletin of Environmental Contamination and Toxicology·Ülkü Alver Şahin, Birgül Kurutaş
Feb 28, 2008·Inhalation Toxicology·Jennifer M CavallariDavid C Christiani
Feb 15, 2014·International Journal of Occupational Medicine and Environmental Health·Alicja BortkiewiczIrena Szadkowska-Stańczyk

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