A new study suggests that high levels of aircraft noise near airports may be associated with an increased risk of heart problems.
People living near airports and exposed to high aircraft noise levels may have a higher risk of poor heart function, increasing the likelihood of heart attacks, life-threatening heart rhythms and strokes, according to a new study led by UCL (University College London) researchers. The study looked at detailed heart imaging data from 3,635 people living near four major airports in England.
Researchers compared the hearts of those living in areas with higher aircraft noise to those in lower noise areas. They found that those exposed to higher than recommended aircraft noise levels had stiffer and thicker heart muscles that contracted and expanded less easily and were less efficient at pumping blood. This was particularly true for people exposed to higher noise at night, possibly due to sleep disruption and increased time spent at home. Separate analyses of people not exposed to aircraft noise showed these heart abnormalities could lead to a two- to four-fold increased risk of major cardiac events like heart attacks, dangerous heart rhythms, or stroke compared to those without such abnormalities. Senior author Dr Gaby Captur (UCL Institute of Cardiovascular Science and consultant cardiologist at the Royal Free Hospital, London) said: 'Our study is observational so we cannot say with certainty that high levels of aircraft noise caused these differences in heart structure and function,
AIRCRAFT NOISE HEART HEALTH STUDY CARDIAC RISK STROKE
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