Mitsuru Kahata

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BACKGROUND Quantitative flow ratio (QFR) is a newly developed image-based index for estimating fractional flow reserve (FFR).Methods and Results:We analyzed 151 coronary arteries with intermediate stenosis in 142 patients undergoing wire-based FFR measurement using dedicated software. Predefined contrast flow QFR, which was derived from 3-dimensional(More)
Cardiac tumors are rare, and multiple myxomas are even rarer. The latter phenomenon is mostly associated with the Carney complex, a dominantly inherited disease characterized by multiple primary cardiac myxomas, endocrinopathy, and spotty pigmentation of the skin. We report the rare case of a patient who did not have the Carney complex but had multiple(More)
OBJECTIVES To evaluate the efficacy and safety of transradial coronary intervention (TRI) using a sheathless guide catheter (sheathless TRI) in a large, retrospective, single-center study. BACKGROUND The sheathless guide catheter was designed to be inserted without an introducer sheath to decrease stress to the radial artery. Although the sheathless guide(More)
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