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How Hyperthyroidism Affects Your Heart

Higher thyroid hormone can cause risk for heart disease, according to a study. Here are the details.

By Lekhaka

People with higher levels of thyroid hormones may be more likely to develop cardiovascular conditions such as heart attacks, strokes, new research showed.

Atherosclerosis, hardening and narrowing of the arteries silently and slowly blocks arteries, putting blood flow at risk and thus increase the risk of heart diseases.

"Coronary heart disease and stroke remain a leading cause of mortality worldwide, despite advances in prevention and treatment. Therefore, identifying additional modifiable risk factors for atherosclerosis of major importance," said lead author Arjola Bano, doctoral student at Erasmus University in Netherlands.

heart disease risk

The findings revealed that higher free thyroxine (FT4) levels hormones produced by the thyroid gland are primarily responsible for regulation of metabolism in patients elevated their risk of atherosclerotic morbidity and mortality.

"The study suggests that thyroid hormone measurement can help identify individuals at risk for atherosclerosis and may have future implications for the prevention of atherosclerotic morbidity and mortality," Bano added.

heart disease risk

For the study, presented at the annual meeting ENDO 2017 in Orlando, US, the team included 9,231 people with an average age of 64.7 years.

Bano and team explored the association between thyroid function and subclinical atherosclerosis, atherosclerotic events (fatal and nonfatal coronary heart disease or stroke) and atherosclerotic mortality (death from coronary heart disease, cerebrovascular or other atherosclerotic disease).

heart disease risk

The researchers also accounted for the possible influence of age, gender, body mass index, total cholesterol, triglycerides, systolic blood pressure, diabetes, alcohol and tobacco intake, and the use of antihypertensive and lipid-lowering drugs in their statistical analyses.

Over a median follow up of 8.8 years, 1,130 atherosclerotic events and 580 atherosclerotic deaths occurred in the study population.

With Inputs From IANS

Story first published: Tuesday, May 23, 2017, 15:26 [IST]
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