ArticleHeart (British Cardiac Society)2015
Acute and recent air pollution exposure and cardiovascular events at labour and delivery.
Article in Heart (British Cardiac Society), 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
15 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Exposure to Volatile Organic Compounds and Cardiovascular Diseases: A Systematic Review and Meta-Analysis.Journal of the American Heart Association · 2026Pooled it
- Detection and Proinflammatory Effects of BTEX within the Human Atherosclerotic Plaque.Environmental science & technology · 2025Observational
- Correlation of exposure to volatile organic compounds with myocardial infarction: A Cross-sectional study based on NHANES 2011-2018.Scientific reports · 2025Article
- Association of cold weather and influenza infection with stroke: a 22-year time-series analysis.International journal of biometeorology · 2025Article
- Acute ambient air pollution exposure and placental Doppler results in the NICHD fetal growth studies - Singleton cohort.Environmental research · 2021Article
- Risk of cardiovascular events during labor and delivery associated with acute ambient temperature changes.The journal of climate change and health · 2021Article
- Exposure to volatile organic compounds - acrolein, 1,3-butadiene, and crotonaldehyde - is associated with vascular dysfunction.Environmental research · 2021Article
- Ambient air pollution and emergency department visits among children and adults in Casablanca, Morocco.AIMS public health · 2021Article
- Article
- Ambient Volatile Organic Compounds and Racial/Ethnic Disparities in Gestational Diabetes Mellitus: Are Asian/Pacific Islander Women at Greater Risk?American journal of epidemiology · 2019Article
- Article
- Ambient temperature and risk of cardiovascular events at labor and delivery: A case-crossover study.Environmental research · 2017Article
- Reply: "Air pollution and cardiovascular events with special reference to labor and delivery".Annals of epidemiology · 2017Article
- Air pollution and cardiovascular events at labor and delivery: a case-crossover analysis.Annals of epidemiology · 2017Article
- Gaseous Air Pollution and the Risk for Stroke Admissions: A Case-Crossover Study in Beijing, China.International journal of environmental research and public health · 2017Article
Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
objectiveTo study the relationship between acute air pollution exposure and cardiovascular events during labour/delivery.
methodsThe Consortium on Safe Labor (2002-2008), an observational US cohort with 223,502 singleton deliveries provided electronic medical records. Air pollution exposure was estimated by modified Community Multiscale Air Quality models. Cardiovascular events (cardiac failure/arrest, stroke, myocardial infarcts and other events) were recorded in the hospital discharge records for 687 pregnancies (0.3%). Logistic regression with generalised estimating equations estimated the relationship between cardiovascular events and daily air pollutant levels for delivery day and the 7 days preceding delivery.
resultsIncreased odds of cardiovascular events were observed for each IQR increase in exposure to nitric oxides at 5 and 6 days prior to delivery (OR=1.17, 99% CI 1.04 to 1.30 and OR=1.15, 1.03 to 1.28, respectively). High exposure to toxic air pollution species such as ethylbenzene (OR=1.50, 1.08 to 2.09), m-xylene (OR=1.54, 1.11 to 2.13), o-xylene (OR=1.51, 1.09 to 2.09), p-xylene (OR=1.43, 1.03 to 1.99) and toluene (OR=1.42, 1.02 to 1.97) at 5 days prior to delivery were also associated with cardiovascular events. Decreased odds of events were observed with exposure to ozone.
conclusionsAir pollution in the days prior to delivery, especially nitrogen oxides and some toxic air pollution species, was associated with increased risk of cardiovascular events during the labour/delivery admission.
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