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KMID : 0368120080380010060
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Korean Circulation Journal
2008 Volume.38 No. 1 p.60 ~ p.65
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Electrical Storm Late after Surgery for a Double-Chambered Right Ventricle, Aortic Regurgitation and a Ventricular Septal Defect: A Case of Successful Catheter Ablation
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Kim Jun
Park Tae-Ik
An Sung-Kyu
Lee Han-Cheol
Kim June-Hong
Chun Kook-Jin
Hong Taek-Jong
Shin Yung-Woo
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Abstract
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An electrical storm is defined as multiple occurrences of ventricular tachycardia/fibrillation (VT/VF) within a single day; this is a medical emergency and a poor prognostic marker in patients with an implantable cardioverter-defibrillator (ICD). We report here on the occurrence of electrical storms in a 35-year-old man with a repaired DCRV and ICD. He had recurrent VT and electrical storms that were refractory to amiodarone and β-blocker. A cardiac electrophysiologic study was performed 11 months after the ICD was implanted and two forms of VT were induced. After the catheter ablation of the VTs, the monomorphic VT became non-inducible. The frequency of the VT decreased from 35 per month before the catheter ablation to 1.1 times per month after the procedure. Catheter ablation of VT could be an effective treatment for patients with electrical storms refractory to antiarrhythmic drugs.
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KEYWORD
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Ventricular tachycardia, Catheter ablation
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