| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2010: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2009: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
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| Research Abstract |
We developed the low radiation dose cardiac imaging method by "single-beat scan with prospective ECG-gating" using a 320-detector row CT. The diagnostic accuracy of this method for coronary in-stent restenosis was 100% of sensitivity, specificity 87.8% in consecutive 102 patients, and the effective radiation dose was approximately 4.8 mSv. We could reduce approximately 32% of radiation dose if we use the adaptive iterative reconstruction method. We tried the subtraction coronary CT using this technique for the patients who had severe coronary artery calcifications.
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