Speedy Procedures Demonstrate Excitement and Continued Interest in Novel Multi-Electrode Ablat... ( CARLSBAD Calif. Jan. 16 /- Ablati...)

Speedy Procedures Demonstrate Excitement and Continued Interest in Novel Multi-Electrode Ablation System

Date:1/16/2008

CARLSBAD, Calif., Jan. 16 /PRNewswire/ -- Ablation Frontiers, Inc., a privately-held medical device company, announced today a successful series of catheter ablations using the company's Tip-Versatile Ablation Catheter(TM) (T-VAC). Dr. Vince Paul of the St. Peter's Hospital in Chertsey, United Kingdom is one of three leading European sites that have been evaluating this new multi-electrode linear ablation catheter since November 2007. He performed four ablation procedures for atrial flutter, a potentially dangerous irregular heart rhythm.

Diagnosed with typical atrial flutter, an arrhythmia originating from the upper chambers of the heart, the patients had all suffered from periodic episodes of palpitations, dizziness, or fatigue. "I would often get lightheaded and notice my heart was racing," said one patient who had tried several medications unsuccessfully for this "short circuit" of the heart's normal rhythm.

Performed in a cardiac catheterization laboratory, the T-VAC is inserted through a vein in the patient's leg and traversed into the heart. Dr. Paul then moved the catheter tip in the heart until he identified the precise area of cardiac tissue responsible for the irregular heart rhythm. Simultaneously applying radiofrequency (RF) energy to all six T-VAC electrodes with the Ablation Frontiers GENius(TM) RF Multi-Channel generator, Dr Paul was able to create "lesions" approximately 30mm in length. These lesions modify the cardiac tissue to block the abnormal electrical conduction. For one patient, a single ablation created in just 90 seconds completely blocked the short circuit. Another two patients required only two or three ablations to fix their arrhythmia. All four patients were successfully treated and left the Catheterization Laboratory with a normal heart rhythm.

After the final procedure of the day, which lasted 20 minutes, Dr. Paul said, "With the T-VAC and GENius generator I could create a long contiguous lesion without ha
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