Rising temperatures may worsen conditions for heart patients, research suggests

Hot temperatures during the 2019 heat wave in France were linked to weight loss in people with congestive heart failure, according to a new study. 

Hot weather causes heart attack
Photo by Karolina Grabowska: pexels.com

In light of rising global temperatures, the study, which was published in the journal ESC Heart Failure, urges improved telemonitoring technology use in the treatment of vulnerable patients. According to study lead author Francois Roubille of Montpellier University Hospital in France, "This is the first study to look at the relationship between temperature and weight in heart failure patients."

The researchers claim that the weight loss these patients experience has the potential to lower blood pressure and cause potentially fatal kidney failure. According to Dr. Robill, doctors and patients should be ready to lower the dosage of diuretics in the event of weight loss given future temperature forecasts.

Diuretics, also known as water tablets, reduce blood flow in the veins and arteries by removing excess water and salt from the body. These medications may result in breathlessness and fluid accumulation in the lungs, legs, and stomach in heart failure patients because the heart does not pump blood around the body as effectively in these individuals. 

Due to the fact that these patients' weight gain was linked to shortness of breath in the study, they were hospitalised and given diuretics to help with their shortness of breath and swelling from overdosing on urination. The weight of people with heart failure may change during the heat wave, claim the researchers.



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