Coronary Arterial Spasm During Pulsed Field Ablation to Treat Atrial Fibrillation.
Vivek Y ReddyJan PetruMoritoshi FunasakoKarel KoprivaPavel HalaMilan ChovanecMarek JanotkaStepan KralovecPetr NeužilPublished in: Circulation (2022)
Coronary vasospasm was not provoked during PFA at locations remote from coronary arteries, but when the energy is delivered adjacent to a coronary artery, PFA routinely provokes subclinical vasospasm. This phenomenon is attenuated by nitroglycerin, administered either post hoc to treat spasm or as prophylaxis.