CPT® Code 0746T

Cardiac focal ablation utilizing radiation therapy for arrhythmia; conversion of arrhythmia localization and mapping of arrhythmia site (nidus) into a multidimensional radiation treatment plan

Cardiac focal ablation utilizing radiation therapy for arrhythmia is a sophisticated, noninvasive procedure designed to treat heart arrhythmias, with a particular focus on ventricular tachycardia (VT). This technique involves the use of advanced radiation therapy to precisely target and ablate the areas of the heart responsible for the abnormal electrical signals that lead to arrhythmias. Prior to the actual ablation procedure, a meticulous planning phase is essential. During this phase, the radiation oncologist conducts a thorough assessment to identify the specific anatomical and electrical locations of the arrhythmia. This includes mapping the arrhythmia site, referred to as the nidus, and determining critical structures that must be avoided during treatment to minimize potential damage. The information gathered is then input into specialized arrhythmia targeting software, which assists in creating a multidimensional radiation treatment plan. This plan is not only tailored to the individual patient's needs but also incorporates strategies for managing cardiac and lung motion, delineating the target treatment volume, and ensuring the protection of nearby organs at risk. The final treatment plan undergoes a comprehensive review and optimization process to confirm that the radiation will be delivered accurately and effectively, achieving the desired therapeutic outcomes while safeguarding surrounding tissues.