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Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
Published on: December 11, 2017
Pacing in right ventricular dysplasia after disconnection surgery
C Tang1, G J Klein, G M Guiraudon
1Department of Medicine, University of British Columbia, Vancouver, Canada.
Journal of Cardiovascular Electrophysiology
|March 10, 2000
Summary
Dual chamber pacing may benefit patients with arrhythmogenic right ventricular dysplasia after right ventricular free-wall disconnection. Replacing a depleted pacemaker rapidly resolved severe heart failure in one patient.
Area of Science:
- Cardiology
- Electrophysiology
- Cardiovascular Surgery
Background:
- Arrhythmogenic right ventricular dysplasia (ARVD) is a genetic heart condition.
- Patients with ARVD may require pacemakers for bradycardia.
- Right ventricular free-wall disconnection (RVFWD) is a surgical procedure sometimes used in ARVD management.
Observation:
- A 33-year-old female with ARVD experienced severe right-sided heart failure one year after her dual chamber pacemaker battery depleted.
- The patient had a history of pacemaker implantation at age 23 and RVFWD at age 24.
- Replacing the depleted pacemaker generator led to rapid clinical improvement and return to an active lifestyle.
Findings:
- Dual chamber pacing was associated with the resolution of severe heart failure in this ARVD patient post-RVFWD.
- The patient's symptoms rapidly improved after pacemaker generator replacement, highlighting the importance of continuous pacing.
Implications:
- Dual chamber pacing may be a beneficial therapeutic strategy for managing heart failure in ARVD patients after RVFWD.
- This case underscores the critical role of pacemaker function in patients with complex cardiac conditions.
- Further research is warranted to explore the long-term efficacy of dual chamber pacing in this specific patient population.
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