Does PFA Reach the Vein of Marshall? | JACC Baran

Does PFA Reach the Vein of Marshall? | JACC Baran

Does pulsed field ablation (PFA) for pulmonary vein isolation affect structures beyond the pulmonary veins? Host Mitsuaki Sawano, MD, welcomes Yosuke Nakatani, MD (Gunma University) to discuss his recent JACC: Clinical Electrophysiology study examining the effects of PFA on the vein of Marshall (VoM). In this prospective study of 72 patients undergoing PFA using three different systems, a microelectrode catheter was positioned within the VoM to continuously record electrograms during ablation. PFA acutely altered VoM electrograms in 44% of patients, including complete elimination in 22%, but persistent VoM modification remained in only 14% by the end of the procedure. Importantly, the effect was strongly related to the distance between the PFA electrode and the VoM, suggesting that catheter geometry and proximity may matter more than energy strength alone. We discuss what these findings reveal about the unintended collateral effects of PFA, why most acute VoM effects rapidly recover, whether PFA could ever replace ethanol infusion for VoM ablation, and how a research idea conceived during Dr. Nakatani’s fellowship in Bordeaux ultimately became a first-in-human mechanistic study in Japan.

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Avsnitt(93)

ICI Myocarditis: Does Timing Define the Disease? | JACC Baran

ICI Myocarditis: Does Timing Define the Disease? | JACC Baran

Is immune checkpoint inhibitor (ICI)-associated myocarditis the same disease when it occurs early versus months after starting cancer therapy? Host Mitsuaki Sawano, MD, and co-host Shun Kohsaka, MD, w...

3 Nov 34min

ICI Myocarditis: Does Timing Define the Disease? | JACC Baran

ICI Myocarditis: Does Timing Define the Disease? | JACC Baran

Is immune checkpoint inhibitor (ICI)-associated myocarditis the same disease when it occurs early versus months after starting cancer therapy? Host Mitsuaki Sawano, MD, and co-host Shun Kohsaka, MD, w...

3 Nov 34min

A SELUTION to Paclitaxel DCB Complications in PAD? | JACC Baran

A SELUTION to Paclitaxel DCB Complications in PAD? | JACC Baran

Could sirolimus-coated balloons change how we treat femoropopliteal peripheral artery disease? Host Mitsuaki Sawano, MD, welcomes Yoshimitsu Soga, MD, PhD (Kokura Memorial Hospital) to discuss the 3-y...

20 Okt 28min

Proteomics in Action: Finding the Right Drug Targets for Ischemic Heart Disease | JACC Baran

Proteomics in Action: Finding the Right Drug Targets for Ischemic Heart Disease | JACC Baran

Which of the thousands of biomarkers associated with cardiovascular disease could actually become a useful drug target? Host Mitsuaki Sawano, MD, and co-host Nobuhiro Ikemura, MD, welcome Satoshi Yosh...

13 Okt 35min

PET Unmasks CMD: The Hidden Risk Behind Normal Perfusion | JACC Baran

PET Unmasks CMD: The Hidden Risk Behind Normal Perfusion | JACC Baran

Hosts Mitsuaki Sawano, MD, Satoshi Shoji, MD, and Kentaro Ejiri, MD, welcome Yoshito Kadoya, MD, PhD (University of British Columbia / St. Paul’s Hospital) to discuss his JACC: Cardiovascular Imaging ...

6 Okt 36min

Rethinking Health Care at Home and Abroad: Lancet RH Western Pacific Special | JACC Baran

Rethinking Health Care at Home and Abroad: Lancet RH Western Pacific Special | JACC Baran

Host Mitsuaki Sawano, MD, welcomes Shuhei Nomura, PhD (Tohoku University), Lisa Yamasaki, MD (Harvard T.H. Chan School of Public Health), and Haruka Sakamoto, MD, PhD (St. Luke’s International Hospita...

29 Sep 39min

PFA Changes the Game and the AT Circuit | JACC Baran

PFA Changes the Game and the AT Circuit | JACC Baran

Hosts Mitsuaki Sawano, MD, and Hiroyuki Sato, MD, welcome Kazutaka Nakasone, MD (Kobe University) to discuss his JACC: Clinical Electrophysiology study on atrial tachycardia (AT) after pulsed field ab...

22 Sep 36min

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