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Ryo Okubo

Researcher at Toho University

Publications -  22
Citations -  114

Ryo Okubo is an academic researcher from Toho University. The author has contributed to research in topics: Medicine & Internal medicine. The author has an hindex of 6, co-authored 15 publications receiving 80 citations.

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Plaque Composition and No-Reflow Phenomenon During Percutaneous Coronary Intervention of Low-Echoic Structures in Grayscale Intravascular Ultrasound

TL;DR: Lesions with low- echoic structures in grayscale IVUS had high plaque vulnerability and were more prevalent in ACS patients, positive remolding, and VH-TCFAs, and they had more frequent no-reflow phenomenon during PCI than lesions without low-echoic structures.
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Assessment of Angiographic Coronary Calcification and Plaque Composition in Virtual Histology Intravascular Ultrasound

TL;DR: Lesions with spotty calcification was highly vulnerable in VH-IVUS and extensive plaque calcification with angiographic calcification had more dense calcium than those without angiography calcification.
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Pericoronary adipose tissue ratio is a stronger associated factor of plaque vulnerability than epicardial adipose tissue on coronary computed tomography angiography

TL;DR: The results support the important concept of local effects of cardiac adipose tissue on plaque vulnerability, and whether the PAT ratio is predictive of vulnerable plaques on CCTA or echo-attenuated plaque on IVUS.
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Prognostic Significance of Serum Indoxyl Sulfate and Albumin for Patients with Cardiovascular Disease.

TL;DR: A lower albumin level adds potentiating effects on IS as a prognostic factor for cardiovascular disease and significantly conferred an additive value to LVEF for predicting mortality.
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Comparison of Coronary Intimal Plaques by Optical Coherence Tomography in Arteries With Versus Without Internal Running Vasa Vasorum

TL;DR: Plaques with internal running VV in OCT had high plaque vulnerability with more intimal laceration, lipid-rich plaque, plaque rupture, thin-cap fibroatheroma, macrophage accumulation, and intraluminal thrombus, and they had high incidence of slow flow after stent implantation.