When would you consider AV nodal ablation in CRT-non-responders with persistent atrial fibrillation?

When would you consider AV nodal ablation in CRT non-responders with persistent atrial fibrillation?

• When the patient is highly symptomatic and other treatments have been exhausted
• When medication for rate control is ineffective or poorly tolerated due to low blood pressure or side effects, and the average heart rate is >100 bpm
• If the patient is not a candidate for rhythm control with an antiarrhythmic drug
• When the patient's CRT pacing percentage is consistently less than 90% despite optimal medical management
• Other