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Penn researchers describe cellular source of most common type of abnormal heart beat

PHILDELPHIA - While studying how the heart is formed, scientists at the University of Pennsylvania School of Medicine serendipitously found a novel cellular source of atrial fibrillation (AF), the

New blood-thinning drug safer than rat poison

In an article reviewed by F1000 Medicine Faculty Members Robert Ruff, Brian Olshansky and Luis Ruilope, the blood-thinner dabigatran is shown to protect against stroke, blood clotting and major bleeding as effectively as warfarin, but with fewer side effects.

Women with diabetes at increased risk for irregular heart rhythm

(PORTLAND, Ore.) -- September 28, 2009 -- Diabetes increases by 26 percent the likelihood that women will develop atrial fibrillation (AF), a potentially dangerous irregular heart rhythm that can lead to stroke, heart failure, and chronic fatigue.

Women with atrial fibrillation are at significantly higher risk of stroke and death compared to men

(CHICAGO) -- Even though the incidence of atrial fibrillation is higher in men than women, a review of past studies and medical literature completed by cardiac experts at Rush University Medical Center shows that women are more likely than men to experience symptomatic attacks, a higher frequency of recurrences, and significantly higher heart rates during atrial fibrillation, which increases t

New genetic link between cardiac arrhythmias and thyroid dysfunction identified

NEW YORK (September 20, 2009) -- Genes previously known to be essential to the coordinated, rhythmic electrical activity of cardiac muscle -- a healthy heartbeat -- have now also been found to play a key role in thyroid hormone (TH) biosynthesis, according to Weill Cornell Medical College researchers.

Mount Sinai first in nation to ablate atrial fibrillation using new visually-guided balloon catheter

Physicians at The Mount Sinai Medical Center in New York became the first in the U.S. to ablate atrial fibrillation using a visually-guided laser balloon catheter. The procedure was performed September 15 by Vivek Y. Reddy, MD, Professor of Medicine and Director of the Cardiac Arrhythmia Service at Mount Sinai Heart, and his colleague, Srinivas R.

Health leaders issue recommendations to improve management of atrial fibrillation

Sept. 16, 2009 -- WASHINGTON, D.C., A diverse collaboration of healthcare leaders today released the AF Stat™ Call to Action for Atrial Fibrillation to serve as a roadmap for reducing the burden of atrial fibrillation (AFib) in the United States.

Irbesartan reduces heart failure in patients with quivering heart

Barcelona, Spain, 1 September: Most research in atrial fibrillation (AF) has focused on reducing stroke and other embolic events. Yet heart failure occurs more frequently in AF patients, but has not been the focus of intervention research.

Results from the European CRT survey

Barcelona, Spain, 1 September: The European cardiac resynchronization therapy (CRT) Survey is a joint initiative taken by the Heart Failure Association (HFA) and European Heart Rhythm Association (EHRA) of the European Society of Cardiology.

Atrial fibrillation: Drugs or ablation?

Barcelona, Spain, 1 September: Atrial fibrillation ablation is one of the fastest growing techniques in cardiology and due to the very high number of patients that might be candidates to this procedure, a significant number of resources will have to be devoted to it to be able to treat them in the following years.

New assessment quantifies risks and benefits of warfarin treatment for atrial fibrillation

Warfarin therapy for patients with atrial fibrillation -- the most common type of significant heart rhythm disorder -- appears to be most beneficial for the oldest patients, those who have had a prior stroke and for patients with multiple risk factors for stroke, according to a new study by Kaiser Permanente and Massachusetts General Hospital researchers.

High caffeine intake can lead to arrhythmias

Barcelona, Spain, 30 August: Coffee is routinely consumed in countries within the Mediterranean basin. Coffee, an infusion of ground, roasted coffee beans, is the most widely consumed behaviourally active substance in the world. It contains several hundred different substances including, antioxidants, carbohydrates, lipids, vitamins, minerals, phenolic compounds and alkaloids.

Dabigatran vs. warfarin as long-term anticoagulant therapy in atrial fibrillation

Barcelona, Spain, 30 August: The anticoagulant dabigatran is more effective than warfarin in the prevention of stroke in patients with atrial fibrillation, according to results from the RE-LY study (Randomized Evaluation of Long-term anticoagulant therapY).

Blood thinner causes stroke in some dialysis patients

The blood thinner warfarin can prevent strokes in most individuals with abnormal heart rhythms, but the drug may have the opposite effect in kidney disease patients on dialysis, according to a study appearing in an upcoming issue of the Journal of the American Society Nephrology (JASN). The results suggest that warfarin should be prescribed with caution in patients with kidney failure.

Mount Sinai first with new technique to prevent a major cause for heart-related stroke

(New York, NY -- August 21, 2009) -- Physicians at The Mount Sinai Medical Center were the first in the country to perform a non-surgical procedure using sutures to tie off a left atrial appendage (LAA), which is the source of blood clots leading to stroke in patients with atrial fibrillation (AFib). AFib is the most common sustained heart-rhythm disorder in the United States.



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