Research from S. Patane and colleagues has provided new data on atrial fibrillation
2009 JUL 12 - (NewsRx.com) -- According to recent research from Messina, Italy, "Subclinical hyperthyroidism is an increasingly recognized entity that is defined as a normal serum free thyroxine and free triiodothyronine levels with a thyroid-stimulating hormone level suppressed below the normal range and usually undetectable. It has been reported that subclinical hyperthyroidism is not associated with coronary heart disease or mortality from cardiovascular causes but it is sufficient to induce arrhythmias including atrial fibrillation and atrial flutter." "It has also been reported that increased factor X activity in patients with subclinical hyperthyroidism represents a potential hypercoagulable state. We present a case of atrial fibrillation associated with subclinical hyperthyroidism, in a 78-year-old Italian woman," wrote S. Patane and colleagues. The researchers concluded: "Also this case focuses attention on the importance of a correct evaluation of subclinical hyperthyroidism." Patane and colleagues published their study in International Journal of Cardiology (Atrial fibrillation associated with subclinical hyperthyroidism. International Journal of Cardiology, 2009;134(3):E155-E158). For additional information, contact S. Patane, Cardiology Nuovo Presidio Osped Cutroni Zodda Barcel, AUSL5 Messina, Via Cattafi, I-98051 Messina, Italy. Publisher contact information for the International Journal of Cardiology is: Elsevier Ireland Ltd., Elsevier House, Brookvale Plaza, East Park Shannon, Co. Clare, Ireland. Keywords: Italy, Messina, Arrhythmia, Atrial Fibrillation, Cardiology, Cardiovascular, Coronary Heart Disease, Heart Disease, Hormones, Hyperthyroidism. This article was prepared by Heart Disease Weekly editors from staff and other reports. Copyright 2009, Heart Disease Weekly via NewsRx.com.
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