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Sub-clinical hypothyroidism is heart failure risk.

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| December 09, 2005 | COPYRIGHT 2003 Haymarket Business Publications Ltd. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)Copyright

Patients with sub-clinical hypothyroidism are at increased risk of congestive heart failure (CHF), according to US research.

An association between overt hypothyroidism and cardiovascular disease has been widely recognised, but this is the first study to find an elevated cardiovascular risk in patients with a sub-clinical form of the disease.

The study included 2,730 people aged between 70 and 79 years. The researchers measured their baseline levels of thyroid stimulating hormone (TSH) and identified those with TSH levels of 4.5mIU/L or greater as suffering from sub-clinical hypothyroidism.

They found that 338 of the patients were suffering from…

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