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Successful control of life-threatening polymorphic ventricular tachycardia by radiofrequency catheter ablation in an infant |
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| Authors: | Yuriko Abe Naokata Sumitomo Hiromi Okuma Takahiro Nakamura Junji Fukuhara Rie Ichikawa Masaharu Matsumura Michio Miyashita Hiroshi Kamiyama Mamoru Ayusawa Mamie Watanabe Kunitaka Joo Naomasa Makita Minoru Horie |
| Affiliation: | 1. Department of Pediatrics and Child Health, Nihon University School of Medicine, 30-1 Oyaguchi Kamimachi, Itabashi-ku, Tokyo, 173-8610, Japan 2. Department of Pediatrics, Kyushu Kousei Nenkin Hospital, Kitakyushu, Japan 3. Department of Molecular Physiology, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan 4. Department of Cardiovascular and Respiratory Medicine, Shiga University of Medical Science, Otsu, Japan |
| Abstract: | We present a case of a 9-month-old girl in whom malignant polymorphic ventricular tachycardia (VT) was successfully controlled by radiofrequency catheter ablation under guidance with a three-dimensional mapping system. The VTs originated from the left ventricular lateral wall, left ventricular anterior wall, and left ventricular apex. At least six types of VTs were documented during the electrophysiology study. All VTs were successfully controlled after two sessions of radiofrequency catheter ablation, and she was discharged from our hospital on propranolol, mexiletine, flecainide, and aprindine. |
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