Effects of Contact Force on Lesion Size During Pulsed Field Catheter Ablation: Histochemical Characterization of Ventricular Lesion Boundaries.

Hiroshi Nakagawa Quim Castellví Robert E Neal Steven Girouard Jacob LaughnerAtsushi IkedaMasafumi Sugawara Yoshimori An Ayman A Hussein Shady Nakhla Tyler L Taigen Jakub SroubekMohamed KanjPasquale Santangeli Walid I Saliba Antoni Ivorra Oussama M Wazni

Published in: Circulation. Arrhythmia and electrophysiology (2023)

Acute PFA ventricular lesions show irreversible and reversible lesion boundaries by triphenyl tetrazolium chloride staining. Electrode-tissue contact is required for effective lesion formation during PFA. At the same PFA dose, lesion depth increases significantly with increasing CF.

Keyphrases

catheter ablation
atrial fibrillation
heart failure
left atrial
left ventricular
single molecule
optical coherence tomography
mitral valve