| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2009: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Research Abstract |
High frequency stimulation was applied to 5 anatomical ganglionated plexi(GP) areas, a total of 35 sites to identify the active GP with marked vagal reflex(prolongation of ventricular interval by more than 50%). Active GP was observed in the right pulmonary vein, left pulmonary vein, inferior left atrium and left atrial roof. Right pulmonary vein is the most frequent seen active GP area. Epicardial ablation of active GP provided complete vagal denervation in terms of eliminating electrical activities in the whole atrium and additional endocardial ablation for the remaining network was not required. Sequential pacing and ablation technique identify the epicardial GP network with a dominant active GP. The GP in the inferior left atrium was the most dominant active GP in the atrium. Active GP in the medial-cranial and medial-caudal area was more comparatively dominant than lateral area in the network.
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