Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/13874
Title: An epidemiological appraisal of the association between heart rate variability and particulate air pollution: a meta-analysis
Authors: PIETERS, Nicky 
PLUSQUIN, Michelle 
COX, Bianca 
KICINSKI, Michal 
VANGRONSVELD, Jaco 
NAWROT, Tim 
Issue Date: 2012
Publisher: B M J PUBLISHING GROUP
Source: HEART, 98 (15), p. 1127-1135
Abstract: Objective Studies on the association between short-term exposure to ambient air pollution and heart rate variability (HRV) suggest that particulate matter (PM) exposure is associated with reductions in measures of HRV, but there is heterogeneity in the nature and magnitude of this association between studies. The authors performed a meta-analysis to determine how consistent this association is. Data source The authors searched the Pubmed citation database and Web of Knowledge to identify studies on HRV and PM. Study selection Of the epidemiologic studies reviewed, 29 provided sufficient details to be considered. The meta-analysis included 18667 subjects recruited from the population in surveys, studies from patient groups, and from occupationally exposed groups. Data extraction Two investigators read all papers and computerised all relevant information. Results The authors computed pooled estimates from a random-effects model. In the combined studies, an increase of 10 mu g/m(3) in PM2.5 was associated with significant reductions in the time-domain measurements, including low frequency (-1.66%, 95% CI -2.58% to -0.74%) and high frequency (-2.44%, 95% CI -3.76% to -1.12%) and in frequency-domain measurements, for SDNN (-0.12%, 95% CI -0.22% to -0.03%) and for rMSSD (-2.18%, 95% CI -3.33% to -1.03%). Funnel plots suggested that no publication bias was present and a sensitivity analysis confirmed the robustness of our combined estimates. Conclusion The meta-analysis supports an inverse relationship between HRV, a marker for a worse cardiovascular prognosis, and particulate air pollution.
Notes: [Pieters, Nicky; Plusquin, Michelle; Cox, Bianca; Kicinski, Michal; Vangronsveld, Jaco; Nawrot, Tim S.] Hasselt Univ, Ctr Environm Sci, B-3590 Diepenbeek, Belgium. [Nawrot, Tim S.] Dept Publ Hlth Occupat & Environm Med, Louvain, Belgium.
Keywords: Cardiac & Cardiovascular Systems
Document URI: http://hdl.handle.net/1942/13874
ISSN: 1355-6037
e-ISSN: 1468-201X
DOI: 10.1136/heartjnl-2011-301505
ISI #: 000306192200006
Category: A1
Type: Journal Contribution
Validations: ecoom 2013
Appears in Collections:Research publications

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