Biomedicine

Treating Arrhythmias with Sub-Zero Temps Helps Patients Lead Active, Symptom-Free Lives

Published in Cardiovascular Week, October 1st, 2007

When out-of-control nerve impulses cause the heart to beat irregularly, cardiologists often use heat during a minimally invasive outpatient procedure to destroy the defective signaling pathways and restore the rhythm to order.

But a newer form of catheter-delivered therapy for cardiac arrhythmias, called cryoablation, uses extreme cold, exposing the faulty tissue to sub-zero temperatures to destroy it. This approach is especially suited for treating certain patients with high-risk arrhythmias, according to Walter F. Kerwin, M.D., a cardiologist in the Division of Cardiology at Cedars-Sinai Medical Center, Cardiac Electrophysiology section.

During...

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Source: Cardiovascular Week (2007-10-01)

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