SynthesisHypertension (Dallas, Tex. : 1979)2020
Effects of Home Particulate Air Filtration on Blood Pressure: A Systematic Review.
Synthesis in Hypertension (Dallas, Tex. : 1979), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04908917 (Reducing AIR Pollution Exposure to Lower Blood PRESSURE), which is not on this map. Cited by 31 papers, 3 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
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.
Reducing AIR Pollution Exposure to Lower Blood PRESSURE
Who cites it
31 citing papers in PubMed, 3 syntheses or guidelines pooled it.
- Effects of PM2.5 Reduction Interventions on Cardiovascular Indicators: A Meta-analysis.Cardiovascular toxicology · 2025Pooled it
- Effects of respirators to reduce fine particulate matter exposures on blood pressure and heart rate variability: A systematic review and meta-analysis.Environmental pollution (Barking, Essex : 1987) · 2022Pooled it
- Effectiveness of indoor air purification intervention in improving cardiovascular health: A systematic review and meta-analysis of randomized controlled trials.The Science of the total environment · 2021Pooled it
- Analysis of sources and sinks of indoor particulate matter reveals insights into the real-world efficacy of portable air cleaners in a randomized intervention trial.The Science of the total environment · 2025Trial
- The impact of portable air cleaners on indoor particulate matter concentrations and perceptions of indoor air quality: a randomized crossover trial in three multifamily buildings.Journal of exposure science & environmental epidemiology · 2026Article
- Bedroom Air Purification and Home Blood Pressure.Journal of clinical hypertension (Greenwich, Conn.) · 2026Article
- A comprehensive review/expert statement on environmental risk factors of cardiovascular disease.Cardiovascular research · 2025Review
- Air pollution interventions for health.Nature medicine · 2025Review
- Associations between fine particulate matter and in-home blood pressure during the 2022 wildfire season in Western Montana, USA.Environmental research, health : ERH · 2025Article
- Breathing Easier: Air Filtration to Improve Indoor Air Quality as a Cardiovascular Intervention.Journal of the American College of Cardiology · 2025Article
- Article
- Environmental Hypertensionology and the Mosaic Theory of Hypertension.Hypertension (Dallas, Tex. : 1979) · 2025Review
- Disparities in Excess Blood Pressure Across the U.S. Associated With Air Pollution Exceeding WHO Guidelines.JACC. Advances · 2024Article
- Personal Strategies to Reduce the Cardiovascular Impacts of Environmental Exposures.Circulation research · 2024Review
- Review
- Environmental Pollution and Cardiovascular Disease: Part 1 of 2: Air Pollution.JACC. Advances · 2024Review
- Air Pollution and Adverse Cardiovascular Events After Coronary Artery Bypass Grafting: A 10-Year Nationwide Study.JACC. Advances · 2024Article
- A review of air pollution as a driver of cardiovascular disease risk across the diabetes spectrum.Frontiers in endocrinology · 2024Review
- Excess Systolic Blood Pressure Associated with Fine Particulate Matter Air Pollution above the WHO Guidelines in Brazil.Arquivos brasileiros de cardiologia · 2023Article
- Portable Air Cleaners and Home Systolic Blood Pressure in Adults With Hypertension Living in New York City Public Housing.Journal of the American Heart Association · 2023Article
Corrections and comments
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Authors and funding
9 authors.
Funding
Abstract
Air pollution is a major contributor to cardiovascular morbidity and mortality. Fine particulate matter <2.5 µm in diameter may be a modifiable risk factor for hypertension. The benefits of in-home air filtration on systolic blood pressure (BP) and diastolic BP are unclear. To examine the effects of in-home personal air cleaner use on fine particulate exposure and BP, we queried PubMed, Web of Science, Cochrane Central Register, Inspec, and EBSCO GreenFILE databases for relevant clinical trials. Included studies were limited to nonsmoking participants in smoke-free homes with active or sham filtration on indoor fine particulate concentrations and changes in systolic and diastolic BP. Of 330 articles identified, 10 trials enrolling 604 participants who met inclusion criteria were considered. Over a median 13.5 days, there was a significant reduction of mean systolic BP by ≈4 mm Hg (-3.94 mm Hg [95% CI, -7.00 to -0.89];
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What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.