The study focused on the relationship between temperature, cardiovascular disease and the risk of death
Extreme weather conditions – either very cold or very hot – increase the risk of a fatal cardiovascular event, especially in people with pre-existing conditions and those living in deprived areas, a new study by Norwegian scientists shows.
The researchers, led by the professor Stefan Ageval of the University of Oslo, who made the relevant announcement at the international conference of the European Society of Cardiology in Barcelona (ESC Congress 2022), analyzed data from five surveys carried out in different countries (Italy, Germany, Great Britain, Norway, Sweden) and related in total 2.28 million adults with an average age of 50 to 72 (depending on each survey). The study focused on the relationship between temperature, cardiovascular disease and the risk of death.
It was found that very cold weather is associated with an increased risk of death from ischemic and cardiovascular disease in general. A decrease in temperature by 10 degrees Celsius (from 5 to -5) increases by 19% the risk of death from cardiovascular disease and 22% in particular from ischemic disease in people with pre-existing problems. A temperature drop of 11 degrees (from 2 to -9) increases the risk of a new ischemic disease diagnosis by 4%.
Ageval stated that “the relationships between cold temperatures and deaths are stronger in men and in people living in low socioeconomic neighborhoods. “The associations between cold and new ischemic disease are stronger in women and people over 65.”
On the other hand, a rise in temperature from 15 to 24 degrees was found to be associated with a 25% increase in the risk of death from cardiovascular disease and a 30% increase from stroke in people with pre-existing heart problems.
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