| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2016: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2015: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2014: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Outline of Final Research Achievements |
In this study, the effect of low-power laser irradiation (LLI) or LED irradiation on cardiac activity of frogs as welll as a patient were examined. The green LLI (532 nm) or LED (532±10 nm) irradiation to the frog heart induced a transient tachycardia, made keping relatively higher heart rate, and prolonged the time to arrest. The red LLI (808 nm) induced bradycardia and shortened the time to arrest, while red LED (660±10 nm) showed the same tendency as green LED property. In the case of human patient who has arrhythmia with atrial fibrillation (Af), green LED decreased the Af appearance and increased the P-wave appearance on his ECG. Therefore it is suggested that at least the green LLI or LED irradiation can activate or normalize the cardiac activity.
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