Titlebook: Recent Advances in Coronary Circulation; Yukio Maruyama (Professor and Chairman),Fumihiko K Book 1993 Springer-Verlag Tokyo 1993 Cardiac M

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Yukio Maruyama (Professor and Chairman),Fumihiko K

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Evaluation of Coronary Perfusion by Positron Emission Tomographyvation; what goes in, must come out. Whether or not there are barriers, any nonmetabolized tracer has a mean transit time through each region that is exactly its volume of distribution divided by the flow. When retention is long, the tracer is almost an analog of a mechanically deposited microsphere

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Regional Blood Flow Measurement with Non-Radioactive Microspheres by X-ray Fluorescence Spectrometry. Drawbacks in previous studies were leaching of elements from the nonradioactive microspheres, and insufficient sensitivity for detecting small amounts of elements. We developed 9 sets of new nonradioactive microspheres (Ti, Br, Y, Zr, Nb, In, I, Ba, Ce) with a mean diameter of about 15 μm, and 1 s

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Optimum Use of PET and SPECT for the Detection of Coronary Artery Disease direct visualization of the diseased artery. A review of the imaging modalities capable of myocardial perfusion imaging shows that positron emission tomography and single photon emission computed tomography provide clinically useful information on myocardial perfusion. Positron emission tomography

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Transmural Distribution and Heterogeneity of Coronary Flow and Flow Reserveis due to the variation of intramyocardial pressures, which are highest under the endocardial surface of the left ventricle and lowest below the epicardium. At the onset of systole, pressures in the subendocardial vessels exceed those in the extramural coronary arteries. Consequently, flow from sube

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Evaluation of Dynamic Mechanical Properties of Coronary Arterial System Using Multi-Channel Random Nrandom noise technique. We perturbed coronary arterial pressure with a high speed servo-pump and altered ventricular pressure by random pacing. We then determined admittance spectra where both coronary arterial pressure and left ventricular pressure are the inputs and coronary arterial flow is the o