Long-Term Results of Radiofrequency Catheter Ablation in Non-ischemic Sustained Ventricular Tachycardia with Underlying Heart Disease. Nonuniform Arrhythmogenic Substrate and Mode of Ablation.:Nonuniform Arrhythmogenic Substrate and Mode of Ablation
スポンサーリンク
概要
- 論文の詳細を見る
This study examined 12 VTs in 8 patients who underwent radiofrequency (RF) catheter ablation for ventricular tachycardia (VT) associated with non-ischemic underlying heart diseases, and who were followed-up for more than 24 months after ablation. The site of VT origin was determined to be within a narrow site (within 1.0×1.0cm) in 5 VTs (4 patients), but VT originated from a wide origin (more than 1.0×1.0cm) in the other 5 VTs (3 patients). The remaining patient had two macroreentrant VTs revolving around an anatomical obstacle in both the clockwise and counterclockwise directions. Two of 5 VTs originating from a narrow site were successfully ablated by 2-3 RF applications. In VT associated with a wide origin, two perpendicular linear RF lesions with 6.0±1.8 RF applications were required to ablate the VT. Eight of the 12 VTs (66.7%) were finally ablated by RF current (30-50 watts), and they did not recur during the follow-up period of 31.2±6.5 months.An excellent long-term outcome is expected, even in VT associated with non-ischemic underlying heart disease, if VT is successfully treated by RF ablation.
- International Heart Journal刊行会の論文
著者
-
Chinushi Masaomi
First Department Of Internal Medicine Niigata University School Of Medicine
-
Shibata Akira
First Department Of Internal Medicine Niigata University Niigata Case Western Reserve University
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Ohhira Kouji
First Department Of Internal Medicine Niigata University School Of Medicine
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Abe Akira
First Department Of Internal Medicine Niigata University School Of Medicine
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AIZAWA Yoshifusa
First Department of Internal Medecine, Niigata University School of Medicine, Niigata, Japan.
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