Effects of Contact Force on Lesion Size During Pulsed Field Catheter Ablation: Histochemical Characterization of Ventricular Lesion Boundaries.
Hiroshi NakagawaQuim CastellvíRobert E NealSteven GirouardJacob LaughnerAtsushi IkedaMasafumi SugawaraYoshimori AnAyman A HusseinShady NakhlaTyler L TaigenJakub SroubekMohamed KanjPasquale SantangeliWalid I SalibaAntoni IvorraOussama M WazniPublished 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.