Electrophysiologists at the Texas Cardiac Arrhythmia Institute (TCAI) at St. David's Medical Center have achieved a milestone by becoming the first in the nation to utilize a novel pulsed field ablation (PFA) system for treating patients with paroxysmal and persistent atrial fibrillation. 

This heart arrhythmia, affecting millions worldwide, has seen a revolutionary approach after receiving approval from the US Food and Drug Administration.

The inaugural procedure was conducted by Dr. Andrea Natale, M.D., F.H.R.S., F.A.C.C., F.E.S.C., cardiac electrophysiologist and executive medical director of TCAI, along with Dr. Amin Al-Ahmad, M.D., clinical cardiac electrophysiologist. Notably, both doctors were among the 67 global operators involved in the trial leading to FDA approval.

Unlike previous FDA-approved ablation systems that relied on heat or cold to destroy cells, the novel PFA system delivers short-duration, high-energy electrical pulses to cardiac tissue, effectively eliminating cells responsible for irregular heart rhythms without causing collateral damage to surrounding tissue.

Dr. Natale emphasized the significance of this milestone, calling it the most significant advancement in the electrophysiology field in decades. "This historic milestone represents the biggest advancement in the electrophysiology field in decades, as it will allow patients to be treated more safely and effectively, ultimately restoring their quality of life. Our team is honored to have played a part in piloting this new era of global innovation for cardiac arrhythmia," Dr. Natale said.

In addition to this achievement, TCAI also conducted the inaugural case using a second commercially approved PFA system, which features an ablation catheter capable of adapting to the anatomies of individual patients by changing shapes. This procedure was led by Dr. Joseph Gallinghouse, M.D., F.H.R.S., a clinical cardiac electrophysiologist.

TCAI stands as a state-of-the-art Electrophysiology Center equipped with six labs featuring advanced technology. A team of renowned cardiac electrophysiologists performs a high volume of the most complex electrophysiology procedures here.