Acute cardiac care & resuscitation
Air pollution and out-of-hospital cardiac arrest risk: a 7-year study from a highly polluted area
Authors' conclusion
Short- and mid-term exposures to PM2.5 and PM10 are independently associated with the risk of OHCA due to asystole or shockable rhythm.
Study context
- Population
- Out-of-hospital cardiac arrest (OHCAs) in a highly polluted urban area in northern Italy with high AED density, 2010–2017OHCAs in 748 days
- Participants
- 880 participants
- Exposure
- Air pollutant levels and OHCA risk
- Outcome
- OHCA risk by short-, mid- and long-term air pollution exposure
Main finding
As reported in the abstract
OHCA risk
Increase in OHCA risk per 10 μg/m³ increase in PM10
9%
Increase in OHCA risk per 10 μg/m³ increase in PM2.5
12%
Observational data: associations, not effects.
Further findings
OHCA by presenting rhythm
- Air pollutant levels associated with both asystole and shockable rhythm risk
- No correlation with pulseless electrical activity
Original publication
Air pollution and out-of-hospital cardiac arrest risk: a 7-year study from a highly polluted area. Eur Heart J Acute Cardiovasc Care. Published 14 September 2023. doi:10.
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