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Hypothyroidism Over-Treatment Linked to Risk of Atrial Fibrillation
eMediNexus,  07 November 2019
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#Cardiology #Diabetes and Endocrinology #Pathology and Lab Medicine #Pharmacist

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Low levels of thyroid stimulating hormone (TSH) that result from the over-treatment of hypothyroidism are associated with a significantly increased risk of atrial fibrillation and stroke, according to results from a large, population-based study using data from the Veterans Health Administration.

The study provides new insights on the incidence of atrial fibrillation and stroke in patients being treated with exogenous thyroid hormone, lead author Maria Papaleontiou, MD, stated. Despite controlling for known cardiovascular risk factors, such as smoking, hypertension, etc, lower serum TSH was associated with both incident atrial fibrillation and stroke. The findings were presented at the 89th American Thyroid Association (ATA) Annual Meeting.

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