Table 1 Secondary endpoints

Health-related quality of life changes

Procedural time (introducer in-introducer out)

Fluoroscopy duration

X-ray exposure

Radiofrequency time

Number of RF applications

VT inducibility at the end of ablation with number of residual VTs

Appropriate and inappropriate ICD interventions (ATP or shocks) anytime and after 1 month

Rate of patients with contraindication to CRM or with poor CMR imaging

Hospital admission for cardiac causes

VT storm anytime and after 1 month

Composite endpoint including death at any time, VT storm and appropriate ICD shock after 1 month of treatment

Complications during 12-month follow-up

Death (related or not to the procedure)

Myocardial infarction

Stroke or transient ischemic attack (TIA)

Other thromboembolic events

Cardiac perforation or tamponade

Vascular complications

Prolonged or repeat hospitalization

Heart block

Pericarditis requiring intervention

Pneumothorax

Pulmonary edema

Hepatic injury

Abdominal issues