Beta blockers can ameliorate survival and quality of life for people with coronary heart complaint. However, aspirin and other anticoagulants may reduce the risk of Heart Attack.
But these protections can backfire in hot weather, when the risk of heart disease is higher. A new study finds that a larger proportion of people who suffer from non-fatal Heart Attacks linked to hot weather are taking these heart medications.
Patients taking these two drugs can caused more heart disease,” Kai Chen said. He is an Assistant Professor in the Department of Epidemiology (Environmental Health) at the Yale School of Public Health. In addition, he is the first author of the study.
These precautions include cooling strategies such as using air conditioning or visiting a public cooling station.
External environmental factors such as air pollutants and cold can cause heart disease. There’s growing evidence that hot weather can work just as well. But epidemiologists are still working to identify the groups of people most affected by these environmental extremes.
Methods: Using a registry, the authors looked at 2,494 nonfatal heart attacks from individuals in Augsburg, Germany, between 2001 and 2014.
Previous research has shown that exposure to heat or cold increases the risk of heart disease. If the world warms, it calculated that the temperature will rise by 2 to 3 degrees Celsius.
The current study builds on that research by examining drug use in patients before a heart attack. They anatomized the data in a way that allowed cases to serve as their own controls. Heat exposure was compared on the day the patients had a heart attack. And compared to the same days of the week within a month.
The authors say that if a person had a heart attack on the third Thursday of June, the authors compared their temperature exposure on that day with their temperature exposure on other “control” days.
About two drugs associated with Heart Attack risk
It found that people who used beta blockers or anti-platelet drugs were more likely to have a heart attack during the hottest days compared to control days.
Anti-platelet drug use associate with a 63% increased risk, and beta blockers with a 65% increased risk. Those taking both drugs were 75% more likely. People who don’t use these drugs are more likely to have heart attacks on hot days.
Studies have yet to prove that these drugs cause heart attacks. There is no evidence that they make people more susceptible to heart attacks.
Hot weather can increase the risk of a heart attack. However, it is also possible that both prescriptions explain that patients’ underlying heart disease is more likely to attack in hot weather.
However, one clue suggests that drugs are to blame.
The researchers compared younger patients between the ages of 25 and 59 with older patients between the ages of 69 and 74. Then the researchers found that younger people were a healthier group with lower rates of coronary heart disease.
Younger patients taking beta blockers and anti-platelet drugs had more heart disease than older ones, but were more likely to have heat-related heart attacks.
There is another clue that these two drugs make people more vulnerable. However, most other heart medications have not shown an association with heat-related heart attacks.
(One exception is statins. When taken by young adults, statins are associated with more than three times the risk of heart attack on hot days.)
Some medications are thought to make it difficult to regulate body temperature, Chan said. He plans to try to uncover these implications in future studies.
The results suggest that heart attacks may become more dangerous for some people with coronary heart disease as climate changes.