Coronary Spasm Due to Pulsed Field Ablation: A State-of-the-Art Review

Area of Science:

• Cardiovascular Electrophysiology
• Medical Device Technology
• Vascular Biology

Background:

• Cardiac ablation using pulsed electric fields is increasingly common.
• Coronary artery spasm is an emerging secondary effect requiring investigation.
• Understanding vascular responses to electroporation is crucial for patient safety.

Purpose of the Study:

• To review the anatomical basis of pulsed electric field-induced vascular spasm.
• To analyze the effects of irreversible electroporation on coronary arteries.
• To synthesize preclinical and clinical data on post-electroporation coronary artery physiology.

Main Methods:

• Literature review of electrophysiology studies.
• Analysis of preclinical research on electroporation.
• Compilation of clinical data on coronary artery function post-ablation.

Main Results:

• Pulsed electric fields can induce coronary artery spasm via specific anatomical pathways.
• Irreversible electroporation impacts coronary artery structure and function.
• Current data suggests variable but significant effects on coronary arteries.

Conclusions:

• Further research is needed to fully understand and mitigate coronary artery spasm after pulsed electric field ablation.
• Clinical monitoring for vascular effects is important in patients undergoing this procedure.
• Elucidating the long-term impact on coronary artery function is a key future direction.