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News

Cardiac ablation system study reports findings

Ablation Frontiers : 28 March, 2008  (Company News)
A poster be released at the American College of Cardiology (ACC) Scientific Sessions in Chicago, USA, will feature results from a study using a Cardiac Ablation System supplied by Ablation Frontiers.
The poster presentation has also recently been published as a ‘Cardiac Arrhythmias’ abstract in the March supplement to the Journal of the American College of Cardiology, which is distributed to cardiologists globally. The poster will be on display at the ACC Scientific Sessions on Sunday, March 30, 2008.

'This system was designed to make atrial fibrillation ablation procedures safe and efficacious, while reducing procedure time and complexity,' stated Dr Andrew Grace of Papworth Hospital in Cambridge, United Kingdom. 'We will be able to treat all types of atrial fibrillation with this novel technology, including paroxysmal, persistent, and chronic.'

Dr Grace, one of the study investigators and a co-author of the poster, is a practicing cardiologist at the UK's largest cardiothoracic hospital.

'Since the system is still fairly new, long-term results continue to be evaluated. We are pleased to be able to present the first published data for this system at the ACC,' said Dr Grace.

Atrial fibrillation (AF) is a common rhythm disorder, in which the heart's upper chamber beats in a rapid, chaotic manner often causing the body's heart rate to be very fast. A patient is often left with symptoms of tiredness, weakness, and lightheadedness. The risk of stroke is much higher in this population. Until recently, treatment has been given with drug therapy designed to lower the heart rate and blood thinners for stroke prevention.

During the last 15 years, pioneering work has led researchers to now treat the disease by identifying the cardiac cellular origin, delivering energy through a Catheter to destroy that portion of heart tissue thus changing the electrical pathways causing the arrhythmia. Known as AF ablation, it is anticipated that 50,000 procedures will be performed in the USA this year.

A current guidance document from the UK's National Institute for Health and Clinical Excellence (NICE) has estimated that ablation procedures can prevent recurrence of atrial fibrillation in up to 80 percent and reduce mortality by more than 50 percent in this patient population.

While AF ablation procedures can be curative and appear quite promising, current technology makes it time-consuming, tedious, and difficult to perform for even the most skilled and experienced of operators.

'Despite the great promise of ablation therapy, the technical challenges of positioning the Catheter in a safe and reliable manner have been quite daunting,' commented Keegan Harper, chief executive office of Ablation Frontiers. 'Conventional methods have made the procedure possible, but not repeatable and available to all clinics. We believe our novel multi-electrode catheters and duty-cycled radiofrequency generator will bring proven safety and efficacy benefits to many more patients around the world.'
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