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Bundle branch reentrant tachycardia in a patient with normal ventricular function.
Simon P Fynn1, Jonathan M Kalman
1The Royal Melbourne Hospital Department of Cardiology, University of Melbourne, Royal Parade, Parkville, Victoria 3050, Australia. simon.fynn@mh.org.au
Summary
Bundle branch reentrant tachycardia in patients with normal heart function can be cured by radiofrequency ablation. Long-term outcomes and defibrillator use require further investigation.
Area of Science:
- Cardiology
- Electrophysiology
- Cardiac Arrhythmias
Background:
- Bundle branch reentrant tachycardia (BBRT) is a rare ventricular arrhythmia.
- While often associated with structural heart disease, BBRT can occur in individuals with preserved left ventricular function.
Observation:
- This report details an unusual case of BBRT in a patient with normal left ventricular ejection fraction.
- The patient's tachycardia was successfully terminated using radiofrequency catheter ablation.
Findings:
- Radiofrequency catheter ablation offers a curative treatment for BBRT in select patients.
- The long-term prognosis following ablation for BBRT in patients with normal ventricular function remains uncertain.
Implications:
- Further research is needed to clarify the long-term risks and benefits of ablation versus medical management.
- The role and indications for implantable cardioverter-defibrillators (ICDs) in this patient population warrant careful consideration and discussion.