Heart rhythm · 2016
Use of flecainide in combination antiarrhythmic therapy in patients with arrhythmogenic right ventricular cardiomyopathy.
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Ermakov Simon, Gerstenfeld Edward P, Svetlichnaya Yana, Scheinman Melvin M
Аннотация
BACKGROUND: Antiarrhythmic therapy is commonly used for suppression of arrhythmias in patients with arrhythmogenic right ventricular cardiomyopathy (ARVC) in conjunction with implantable cardioverter-defibrillators and catheter ablation. The efficacy of combination flecainide and sotalol/metoprolol therapy for patients refractory to single agents and/or catheter ablation has not been well established.
OBJECTIVE: The purpose of this study was to describe our experience with the addition of flecainide in combination with sotalol/metoprolol for treatment of arrhythmias in patients with ARVC.
METHODS: We reviewed all patients within our genetic arrhythmia program with a definite diagnosis of ARVC (45 patients) and identified 8 patients treated with a combination of flecainide with sotalol/metoprolol after failure of single-agent therapy and/or catheter ablation. These patients were monitored with at least yearly clinic visits and device interrogations focused on the detection of major ventricular arrhythmias.
RESULTS: Of the 8 patients reviewed, 6 demonstrated excellent arrhythmia control after initiation of combination therapy with flecainide and sotalol/metoprolol. These patients have been arrhythmia-free for an average of 35.5 months. Two patients have demonstrated recurrent arrhythmias despite combination therapy and have undergone repeat epicardial and endocardial ablation. Recurrence was noted to occur within 2 months of therapy. Patients were diverse with regard to the severity of disease as well as in the presence of genetic mutations.
CONCLUSION: The addition of flecainide in combination with sotalol/metoprolol may be an effective antiarrhythmic strategy for the control of ventricular arrhythmias in patients with ARVC refractory to single-agent therapy and/or catheter ablation.
OBJECTIVE: The purpose of this study was to describe our experience with the addition of flecainide in combination with sotalol/metoprolol for treatment of arrhythmias in patients with ARVC.
METHODS: We reviewed all patients within our genetic arrhythmia program with a definite diagnosis of ARVC (45 patients) and identified 8 patients treated with a combination of flecainide with sotalol/metoprolol after failure of single-agent therapy and/or catheter ablation. These patients were monitored with at least yearly clinic visits and device interrogations focused on the detection of major ventricular arrhythmias.
RESULTS: Of the 8 patients reviewed, 6 demonstrated excellent arrhythmia control after initiation of combination therapy with flecainide and sotalol/metoprolol. These patients have been arrhythmia-free for an average of 35.5 months. Two patients have demonstrated recurrent arrhythmias despite combination therapy and have undergone repeat epicardial and endocardial ablation. Recurrence was noted to occur within 2 months of therapy. Patients were diverse with regard to the severity of disease as well as in the presence of genetic mutations.
CONCLUSION: The addition of flecainide in combination with sotalol/metoprolol may be an effective antiarrhythmic strategy for the control of ventricular arrhythmias in patients with ARVC refractory to single-agent therapy and/or catheter ablation.