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Electrophysiology-Guided Surgical Ablation During Pulmonary Valve Replacement: A Paradigm Shift in Managing Arrhythmia Risk in Adults with Repaired Tetralogy of Fallot
Cardiology心室頻脈Tetralogy of Fallot

Electrophysiology-Guided Surgical Ablation During Pulmonary Valve Replacement: A Paradigm Shift in Managing Arrhythmia Risk in Adults with Repaired Tetralogy of Fallot

By MedXY|Aug 4, 2026

In adults with repaired Tetralogy of Fallot undergoing pulmonary valve replacement, an electrophysiology-guided ablation strategy significantly reduces ventricular tachycardia inducibility and long-term arrhythmic risk compared to empiric a

Boston Scientific Cuts 2026 Guidance Again as Watchman, Electrophysiology Businesses Struggle
MedTech
Pulsed-field ablation
Electrophysiology

Boston Scientific Cuts 2026 Guidance Again as Watchman, Electrophysiology Businesses Struggle

By MedXY|Jul 29, 2026

Boston Scientific slashed its 2026 sales and EPS forecasts for the second straight quarter, citing competitive pressure in pulsed field ablation and declining standalone Watchman procedures.

Varenicline and Ventricular Ectopy After Myocardial Infarction: A Randomized Phase 2 Study
CardiologyCardiologyElectrophysiology

Varenicline and Ventricular Ectopy After Myocardial Infarction: A Randomized Phase 2 Study

By MedXY|Mar 9, 2026

This phase 2 trial demonstrates that varenicline, a partial nAChR agonist, significantly reduces premature ventricular complexes and nonsustained ventricular tachycardia in post-myocardial infarction patients, offering a novel therapeutic t

Understanding Scar Evolution: How Post-Ablation Cardiac MRI Predicts Long-Term Outcomes in Ventricular Tachycardia
CardiologyCardiac Magnetic Resonancecatheter ablation

Understanding Scar Evolution: How Post-Ablation Cardiac MRI Predicts Long-Term Outcomes in Ventricular Tachycardia

By MedXY|Mar 7, 2026

The PAM-VT 2 study reveals that cardiac MRI (LGE-CMR) performed 3 to 6 months after ventricular tachycardia ablation can accurately predict long-term recurrence risks by analyzing scar stability and conducting channels.

High-Voltage Focal Pulsed Field Ablation Achieves Transmurality and 98% Reduction in Scar-Related Ventricular Tachycardia
CardiologyElectrophysiologyPulsed-field ablation

High-Voltage Focal Pulsed Field Ablation Achieves Transmurality and 98% Reduction in Scar-Related Ventricular Tachycardia

By MedXY|Jan 18, 2026

The first-in-human VCAS trial demonstrates that high-voltage focal pulsed field ablation (PFA) safely delivers transmural lesions in thick ventricular scar tissue, significantly reducing ventricular tachycardia burden by 98% in high-risk pa

Nanosecond Pulsed Field Ablation Matches Radiofrequency Efficacy While Slashing Procedure Time: Insights From the InsightPFA Trial
Cardiologyatrial fibrillationElectrophysiology

Nanosecond Pulsed Field Ablation Matches Radiofrequency Efficacy While Slashing Procedure Time: Insights From the InsightPFA Trial

By MedXY|Dec 26, 2025

The InsightPFA trial confirms that a novel nanosecond pulsed field ablation (nsPFA) system is noninferior to radiofrequency ablation for paroxysmal atrial fibrillation, significantly reducing procedure and left atrial dwell times while main

Beyond the Lead Apron: New Evidence of High Orthopedic and Reproductive Risks in Cardiac Electrophysiology
CardiologyElectrophysiologyoccupational health

Beyond the Lead Apron: New Evidence of High Orthopedic and Reproductive Risks in Cardiac Electrophysiology

By MedXY|Dec 25, 2025

A global Heart Rhythm Society survey reveals that 41% of EP professionals suffer from orthopedic injuries and 50% of women face pregnancy complications, highlighting the urgent need for systemic improvements in laboratory ergonomics and rad

Procainamide Challenge for Brugada Syndrome: Establishing Diagnostic Safety and the Reassuring Prognosis of Induced Patterns
CardiologyBrugada syndromeElectrophysiology

Procainamide Challenge for Brugada Syndrome: Establishing Diagnostic Safety and the Reassuring Prognosis of Induced Patterns

By MedXY|Dec 25, 2025

A large-scale registry study confirms that procainamide infusion is exceptionally safe for Brugada syndrome diagnosis, with high sensitivity and specificity. Crucially, asymptomatic patients with a procainamide-induced type 1 pattern demons

Distinct Mechanisms Drive Early and Delayed Heart Block After TAVR: Insights from Boston Cohort Study
CardiologyElectrophysiologyPacemaker

Distinct Mechanisms Drive Early and Delayed Heart Block After TAVR: Insights from Boston Cohort Study

By MedXY|Dec 17, 2025

Prospective cohort study reveals AV nodal versus infranodal conduction patterns underpinning timing of heart block after TAVR.

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