1. Hideaki Kataiwa

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    1. Mentioned In 9 Articles

    2. Relation of Microchannel Structure Identified by Optical Coherence Tomography to Plaque Vulnerability in Patients With Coronary Artery Disease

      Relation of Microchannel Structure Identified by Optical Coherence Tomography to Plaque Vulnerability in Patients With Coronary Artery Disease
      Increased neovascularization in atherosclerotic plaques is associated with plaque vulnerability. The high resolution of optical coherence tomography (OCT) might provide a chance to directly visualize plaque neovascularization in vivo. The aim of the present study was to investigate the relation between microchannels in culprit plaques identified by OCT and plaque vulnerability in patients with coronary artery disease. A total of 63 consecutive patients with coronary artery disease who had undergone ...
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    3. Head to head comparison between the conventional balloon occlusion method and the non-occlusion method for optical coherence tomography

      Abstract: Background: Optical coherence tomography (OCT) has been introduced as a high-resolution imaging modality for the coronary arteries. The current OCT system, however, has a serious limitation in that the image acquisition method requires a soft balloon occlusion to avoid signal scattering from red blood cells.Purpose: The purpose of this study was to compare OCT images from the conventional balloon occlusion method and a non-occlusion image acquisition method, the ...
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    4. Relationship Between Coronary Arterial Remodeling, Fibrous Cap Thickness and High-Sensitivity C-Reactive Protein Levels in Patients With Acute Coronary Syndrome

      Thin-capped fibroatheroma (TCFA) is a recognized precursor lesion for acute coronary syndrome (ACS). Positive remodeling (PR) is the predominant pattern of arterial remodeling in patients with ACS. The aim of this study was to evaluate the relationship between coronary arterial remodeling, fibrous cap thickness and high-sensitivity C-reactive protein (hs-CRP) concentration in patients with ACS. Methods and Results: The 47 consecutive ACS patients were enrolled in this study. Arterial remodeling of ...
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    5. Lipid-rich plaque and myocardial perfusion after successful stenting in patients with non-ST-segment elevation acute coronary syndrome: an optical coherence tomography study

      ...shi Kubo, Shigeho Takarada, Takashi Tanimoto, Akio Kuroi, Hiroto Tsujioka, Hideyuki Ikejima, Kenichi Komukai, Hideaki Kataiwa, Keishi Okouchi, Manabu Kashiwaghi, Kohei Ishibashi, Hiroki Matsumoto, Kazushi Takemoto, Nobuo...
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    6. Distribution and Frequency of Thin-Capped Fibroatheromas and Ruptured Plaques in the Entire Culprit Coronary Artery in Patients With Acute Coronary Syndrome as Determined by Optical Coherence Tomography

      The aim of this study was to investigate the distribution and frequency of thin-capped fibroatheromas (TCFAs) within the entire length of culprit coronary arteries in patients with acute coronary syndrome. Our population was drawn from 43 consecutive patients with acute coronary syndrome (with or without ST-segment elevation) who underwent optical coherence tomography to visualize the entire culprit coronary artery using a nonocclusive optical coherence tomographic technique. Patients were categorized divided ...
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    7. Safety and Usefulness of Non-Occlusion Image Acquisition Technique for Optical Coherence Tomography

      Safety and Usefulness of Non-Occlusion Image Acquisition Technique for Optical Coherence Tomography
      Background Because optical coherence tomography (OCT) requires balloon-occlusion to overcome image attenuation by blood, the present study investigated the safety and usefulness of a new non-occlusive technique. Methods and Results The 40 angina patients were assigned to the continuous-flushing method or the balloon-occlusion method group. The continuous-flushing method was superior for observing proximal lesions compared with the balloon-occlusion method (94% vs 55%, p=0.01). There were no differences between ...
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  2. About Hideaki Kataiwa

    Hideaki Kataiwa is with the Department of Cardiovascular Medicine at Wakayama Medical University.