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Staying mindful of heart health during winter is crucial, explain experts

The doctors called for staying active by engaging in indoor activities or low-intensity outdoor exercise, dressing warmly to prevent chilling and maintaining a balanced diet rich in fruits, vegetables, and whole grains.

Kristina Das Edited By: Kristina Das @ New Delhi Published on: December 07, 2023 14:14 IST
heart health during winter
Image Source : FREEPIK Staying mindful of heart health during winter is crucial.

Cardiologists recently reminded people to be aware of the winter season, which is known to raise the risk of heart attacks, even if temperatures have started to drop in the nation's capital. This is especially important for those who already have cardiac issues.

According to an IANS report, Dr Vikas Chopra, Senior Consultant Interventional Cardiologist, at Primus Super Speciality Hospital, said "As winter approaches, we have observed a concerning uptick in the number of heart patients, averaging between 12 to 14 cases weekly. Cold weather can exacerbate cardiovascular conditions, posing significant risks, particularly for individuals with pre-existing heart issues." 

He explained that "the drop in temperature prompts physiological changes, leading to increased blood pressure and heart rate, as well as heightened demands on the cardiovascular system".

"I strongly urge everyone, especially those with known heart conditions, to take proactive measures during the winter months. It is crucial to adhere to prescribed medications, maintain regular follow-ups with your healthcare provider, and adopt lifestyle adjustments such as staying physically active, managing stress, and adhering to a heart-healthy diet," Dr Chopra added.

Studies from several countries have shown that winters are a concern for heart patients and a surge in cardiovascular deaths.

A 2021 study in the journal Medicine found that overall, US cardiac arrests peak during December and January. Another study in the journal BMJ Open looked at deaths and daily temperatures in Finland, and found that cardiac death increased by approximately 19 per cent on "unusually cold days".

"Colder weather thickens the blood, making it more likely to clot," Dr Sanjeeva Kumar Gupta, Consultant, Dept of Cardiology at the CK Birla Hospital, Delhi told IANS.

In addition, disruption to the sleep cycle and hormonal balance impacts cardiovascular health, he said, noting that shovelling snow, engaging in winter sports, and other activities common in cold weather can put further stress on the heart.

Dr Hemant Gandhi, Associate Director, Cardiology, Max Hospital, Gurugram, blamed "factors like reduced physical activity and changes in diet during winter" behind an increase in heart problems. He told IANS that individual health and lifestyle factors also play a significant role in heart health.

Dr Gupta cited the role of "traditional food habits with a higher intake of salt and lipids of animal origin, which can lead to changes in metabolism, and ultimately affect the mechanism of atherogenesis, coagulation, and thrombogenesis".

"It is also possible that the influence of day duration and lack of sunlight or UV light in this season, stimulate the synthesis of vitamin D3 in the skin and liposoluble cholesterol sulphate whose deficiency can favour atherosclerosis and inflammation, and be the cause of higher incidence and increased mortality during winter," he added.

People must also manage stress effectively to avoid exacerbating cardiovascular risks, and patients should modify their lifestyle, particularly during the winter months with a diet rich in organic sulphate and vitamin D3 and if possible, exposure to sunlight, the doctors recommended.

(With IANS Inputs)

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