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Roy Salmon, Patient, A-Fib Free,
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"This book is incredibly complete and easy-to-understand for anybody. I certainly recommend it for patients who want to know more about atrial fibrillation than what they will learn from doctors...."

Pierre Jaïs, M.D. Professor of Cardiology, Haut-Lévêque Hospital, Bordeaux, France

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Dr. Wilber Su,
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Ira David Levin, heart patient, 
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Walter Kerwin, MD, Cedars-Sinai Medical Center, Los Angeles, CA

Technology & Innovations

Laser Balloon Catheter

The variable size balloon of the Laser catheter (CardioFocus, Inc., Marlborough, MA) can be positioned in a vein opening to encircle the vein.

Laser Balloon Catheter Diagram

Laser Balloon Catheter camera image - LSPV is the Left Superior Pulmonary Vein

Two overlapping laser energy ablations can usually completely isolate the vein without any gaps. The catheter features direct visualization (endoscopic). The doctor sees directly through the catheter the area he/she is ablating.

Though the Laser Balloon Catheter is probably years away from FDA approval, it may have more potential than the CryoBalloon catheter. The variable size of the Laser Balloon makes it easier to manipulate and might enable it to fit better into the different sizes of pulmonary vein openings. Laser energy might produce more lasting lesions than Cryo. And direct visualization would certainly be a help to doctors doing an ablation and would reduce the amount of radiation patients and medical staff are exposed to.This is an example of what the doctor sees. “LSPV” is the Left Superior Pulmonary Vein, “LIPV” is the Left Inferior Pulmonary Vein. (posted 2011)

Schmidt, B. et al. Feasibility of Circumferential Pulmonary Vein Isolation Using a Novel Endoscopic Ablation System. Circ Arrhythm Elcetrophysiol published online Jul 24 2010. Last accessed Jan 11, 2013. DOI: 10.1161/CIRCEP.110.954149

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Return to Index of Articles: Research and Innovations

Last updated: Sunday, February 15, 2015

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