Featured Research

from universities, journals, and other organizations

Aircraft noise linked to heart disease, study suggests

Date:
October 9, 2013
Source:
BMJ-British Medical Journal
Summary:
Exposure to high levels of aircraft noise is associated with an increased risk of cardiovascular disease, find two studies published on bmj.com today.

Exposure to high levels of aircraft noise is associated with an increased risk of cardiovascular disease, find two new studies.

Related Articles


Previous studies of exposure to aircraft noise have examined the risk of hypertension, but few have examined the risk of cardiovascular disease and results are inconsistent. So researchers based in London set out to investigate the risks of stroke and heart disease in relation to aircraft noise among 3.6 million residents living near London Heathrow, one of the busiest airports in the world.

They compared hospital admissions and mortality rates for stroke, coronary heart disease, and cardiovascular disease from 2001-05 in 12 London Boroughs and nine districts west of London. Levels of aircraft noise for each area were obtained from the Civil Aviation Authority (CAA).

The researchers found increased risks of stroke, coronary heart disease, and cardiovascular disease for both hospital admissions and mortality, especially among the 2% of the study population exposed to the highest levels of daytime and night time aircraft noise.

Factors that could have affected the results, such as age, sex, ethnicity, social deprivation, smoking, air pollution, and road traffic noise were also taken into account. Accounting for the prevalence of people of South Asian ethnicity reduced the observed risks for hospital admissions for coronary heart disease and cardiovascular disease.

However, the authors were unable to distinguish between night time and daytime noise and say more research is needed to determine if night time noise that disrupts sleep may be a mechanism underlying these associations.

They stress that further studies are needed to test whether aircraft noise causes these increases in risk or if these results can be explained by some other unmeasured (confounding) factors.

"How best to meet commercial aircraft capacity for London and other major cities is a matter of active debate," they say. "However, policy decisions need to take account of potential health related concerns, including possible effects of environmental noise on cardiovascular health."

In the second study, researchers at the Harvard School of Public Health and Boston University School of Public Health analysed data for over six million older American Medicare recipients (aged 65 years or more) living near 89 US airports in 2009.

Their aim was to investigate whether exposure to aircraft noise increases the risk of hospitalisation for cardiovascular diseases -- and is the first study to analyse a very large population across multiple airports.

The researchers found that, on average, zip codes with 10 decibel (dB) higher aircraft noise had a 3.5% higher cardiovascular hospital admission rate. The association remained after adjustment for socioeconomic status, demographic factors, air pollution, and roadway proximity.

The results showed that participants exposed to the highest noise levels (more than 55 dB) had the strongest association with cardiovascular disease hospitalisations. Overall, 2.3% of hospitalisations for cardiovascular disease among older people living near airports were attributable to aircraft noise.

Despite some study limitations, the researchers say their results "provide evidence of a statistically significant association between exposure to aircraft noise and cardiovascular health particularly at higher exposure levels." And they suggest further research should investigate modifying factors at the airport or individual level.

In an accompanying editorial, Professor Stephen Stansfeld at Queen Mary University of London says these studies "provide preliminary evidence that aircraft noise exposure is not just a cause of annoyance, sleep disturbance, and reduced quality of life but may also increase morbidity and mortality from cardiovascular disease."

And he suggests that planners "need to take this into account when extending airports in heavily populated areas or planning new airports."


Story Source:

The above story is based on materials provided by BMJ-British Medical Journal. Note: Materials may be edited for content and length.


Journal References:

  1. A. L. Hansell, M. Blangiardo, L. Fortunato, S. Floud, K. de Hoogh, D. Fecht, R. E. Ghosh, H. E. Laszlo, C. Pearson, L. Beale, S. Beevers, J. Gulliver, N. Best, S. Richardson, P. Elliott. Aircraft noise and cardiovascular disease near Heathrow airport in London: small area study. BMJ, 2013; 347 (oct08 3): f5432 DOI: 10.1136/bmj.f5432
  2. A. W. Correia, J. L. Peters, J. I. Levy, S. Melly, F. Dominici. Residential exposure to aircraft noise and hospital admissions for cardiovascular diseases: multi-airport retrospective study. BMJ, 2013; 347 (oct08 3): f5561 DOI: 10.1136/bmj.f5561

Cite This Page:

BMJ-British Medical Journal. "Aircraft noise linked to heart disease, study suggests." ScienceDaily. ScienceDaily, 9 October 2013. <www.sciencedaily.com/releases/2013/10/131009100602.htm>.
BMJ-British Medical Journal. (2013, October 9). Aircraft noise linked to heart disease, study suggests. ScienceDaily. Retrieved November 28, 2014 from www.sciencedaily.com/releases/2013/10/131009100602.htm
BMJ-British Medical Journal. "Aircraft noise linked to heart disease, study suggests." ScienceDaily. www.sciencedaily.com/releases/2013/10/131009100602.htm (accessed November 28, 2014).

Share This


More From ScienceDaily



More Health & Medicine News

Friday, November 28, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Ebola Leaves Orphans Alone in Sierra Leone

Ebola Leaves Orphans Alone in Sierra Leone

AFP (Nov. 27, 2014) — The Ebola epidemic sweeping Sierra Leone is having a profound effect on the country's children, many of whom have been left without any family members to support them. Duration: 01:02 Video provided by AFP
Powered by NewsLook.com
Experimental Ebola Vaccine Shows Promise In Human Trial

Experimental Ebola Vaccine Shows Promise In Human Trial

Newsy (Nov. 27, 2014) — A recent test of a prototype Ebola vaccine generated an immune response to the disease in subjects. Video provided by Newsy
Powered by NewsLook.com
Pet Dogs to Be Used in Anti-Ageing Trial

Pet Dogs to Be Used in Anti-Ageing Trial

Reuters - Innovations Video Online (Nov. 26, 2014) — Researchers in the United States are preparing to discover whether a drug commonly used in human organ transplants can extend the lifespan and health quality of pet dogs. Video provided by Reuters
Powered by NewsLook.com
Today's Prostheses Are More Capable Than Ever

Today's Prostheses Are More Capable Than Ever

Newsy (Nov. 26, 2014) — Advances in prosthetics are making replacement body parts stronger and more lifelike than they’ve ever been. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
 
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:  

Breaking News:

Strange & Offbeat Stories

 

Health & Medicine

Mind & Brain

Living & Well

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:  

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile iPhone Android Web
Follow Facebook Twitter Google+
Subscribe RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins