Radiofrequency catheter ablation of idiopathic right ventricular tachycardia near the His bundle.
There are only a few reports on successful radiofrequency catheter ablation of idiopathic right ventricular tachycardia (VT) originating from other sites than right ventricular outflow tract. We report here a case of VT which exhibited an inferior-axis and a left bundle branch block pattern and originated near the His bundle. Using the temperature-controlled ablation catheter, prudent observation of the fluoroscopy and intracardiac electrograms during pacemapping, we successfully ablated the origin of the VT without any conduction disturbance. However, further study is required to determine the effectiveness of catheter ablation and the long term prognosis for this type of VT.
Shimoike
E
E
First Department of Internal Medicine, Kyushu University School of Medicine.
Ohba
Y
Y
Yanagi
N
N
Ohtsuka
S
S
Ohnishi
Y
Y
Ueda
N
N
Nozaki
M
M
Maruyama
T
T
Kaji
Y
Y
Takahashi
N
N
Niho
Y
Y
D000328:Adult; D002036:Bundle of His / Q000601:surgery*; D017115:Catheter Ablation / Q000379:methods; D004562:Electrocardiography; D005260:Female; D006801:Humans; D017180:Tachycardia, Ventricular / Q000503:physiopathology / Q000601:surgery*; D016896:Treatment Outcome