Occurrence of de novo sustained monomorphic ventricular tachycardia induced after percutaneous transluminal alcohol septal myocardial ablation for hypertrophic obstructive cardiomyopathy

• Published in: International journal of cardiology Vol. 119; no. 3; pp. 403 - 407
• Main Authors: Hori, Yasuhiko, Ueda, Marehiko, Nakayama, Takashi, Saegusa, Noriko, Uehara, Masae, Lee, Kwangho, Sekine, Tai, Daimon, Masao, Kobayashi, Yoshio, Funabashi, Nobusada, Komuro, Issei
• Format: Journal Article
• Language: English
• Published: Shannon Elsevier Ireland Ltd 31.07.2007; Elsevier Science
• Subjects: Aged; Biological and medical sciences; Cardiac dysrhythmias; Cardiology. Vascular system; Cardiomyopathy, Hypertrophic - therapy; Cardiovascular; Catheter Ablation - adverse effects; De novo sustained monomorphic ventricular tachycardia; Ethanol; Heart; Humans; Hypertrophic obstructive cardiomyopathy; Male; Medical sciences; Myocarditis. Cardiomyopathies; Percutaneous transluminal alcohol septal myocardial ablation; Tachycardia, Ventricular - etiology; Percutaneous transluminal alcohol septal myocardial ablation; Hypertrophic obstructive cardiomyopathy; De novo sustained monomorphic ventricular tachycardia; Arrhythmia; Cardiovascular disease; Alcohol; Obstructive hypertrophic cardiomyopathy; Myocardial disease; Ablation; Phlebology; Excitability disorder; De novo; Percutaneous route; Heart disease; Circulatory system; Cardiology; Sustained ventricular tachycardia
• ISSN: 0167-5273; 1874-1754
• DOI: 10.1016/j.ijcard.2006.07.182

Abstract We report here a 75-year-old male with hypertrophic obstructive cardiomyopathy of de novo sustained monomorphic ventricular tachycardia (VT) after successful percutaneous transluminal alcohol septal myocardial ablation (PTSMA). In this case history, the necrotic induced by the PTSMA procedure might represent a region of slow conduction that is a circuit of re-entry and therefore stimulation might be spread around. Therefore, the basis of the sustained monomorphic VT was thought to be the presence of a focal necrotic area, itself a complication arising from the PTSMA procedures. In conclusion, the PTSMA procedure may have caused a de novo episode of ventricular arrhythmia.