1. Akio Kuroi

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    1. Mentioned In 17 Articles

    2. Prognosis of spontaneous coronary artery dissection treated by percutaneous coronary intervention with optical coherence tomography

      Prognosis of spontaneous coronary artery dissection treated by percutaneous coronary intervention with optical coherence tomography
      Background Although about half of patients with spontaneous coronary artery dissection (SCAD) face ongoing necrosis, conservative therapy is recommended due to a high complication rate in angiography-guided percutaneous coronary intervention (PCI). The aim of this study was to investigate clinical outcomes of SCAD treated by optical coherence tomography (OCT)-guided PCI. Methods This study consisted of consecutive 306 patients with acute coronary syndrome (ACS) who underwent OCT-guided PCI. Based on ...
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    3. Optical Coherence Tomography Predictors for Edge Restenosis After Everolimus-Eluting Stent Implantation

      Optical Coherence Tomography Predictors for Edge Restenosis After Everolimus-Eluting Stent Implantation
      Background Stent edge restenosis (SER) remains a potential limitation of drug-eluting stents. The aim of this study was to determine optical coherence tomography (OCT) predictors for angiographic late SER after everolimus-eluting stent implantation. Methods and Results We retrospectively analyzed 319 patients who underwent OCT immediately after everolimus-eluting stent implantation and scheduled 9- to 12-month follow-up angiography. The binary angiographic SER rate was 10% (32/319) in the patients, 8.4 ...
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    4. Reduction of in-stent thrombus immediately after percutaneous coronary intervention by pretreatment with prasugrel compared with clopidogrel: An optical coherence tomography study

      Reduction of in-stent thrombus immediately after percutaneous coronary intervention by pretreatment with prasugrel compared with clopidogrel: An optical coherence tomography study
      Background Prasugrel is a new-generation thienopyridine antiplatelet agent that provides more consistent and prompt platelet inhibition than clopidogrel. The aim of this study was to compare in-stent thrombus inhibition effect of pretreatment with prasugrel and clopidogrel by using optical coherence tomography (OCT) immediately after percutaneous coronary intervention (PCI) for acute coronary syndrome (ACS). Methods We performed OCT immediately after PCI in 108 ACS patients pretreated with either prasugrel ( n = 51 ...
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    5. Difference of Culprit Lesion Morphologies Between ST-Segment Elevation Myocardial Infarction and Non-ST-Segment Elevation Acute Coronary Syndrome: An Optical Coherence Tomography Study

      Difference of Culprit Lesion Morphologies Between ST-Segment Elevation Myocardial Infarction and Non-ST-Segment Elevation Acute Coronary Syndrome: An Optical Coherence Tomography Study
      ...ion in patients with acute coronary disease. Yasushi Ino, MD, Takashi Kubo, MD, PhD, Atsushi Tanaka, MD, PhD, Akio Kuroi, MD, Hiroto Tsujioka, MD, Hideyuki Ikejima, MD, Keishi Okouchi, MD, Manabu Kashiwagi, MD, Shigeho T...
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    6. Association of monocyte subset counts with coronary fibrous cap thickness in patients with unstable angina pectoris

      Association of monocyte subset counts with coronary fibrous cap thickness in patients with unstable angina pectoris
      Abstract: Objectives: We examined whether distinct monocyte subsets relate in specific ways to coronary fibrous cap thickness (FCT) in patients with unstable angina pectoris (UAP).Methods: Forty patients with UAP who underwent percutaneous coronary intervention were enrolled in this study. The changes in the non-culprit FCT were assessed by optical coherence tomography (OCT) at baseline and after 9 months. The distinct monocyte subsets (CD14+CD16−CCR2+ and CD14+CD16+CX3CR1 ...
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    7. 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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    8. Impact of Culprit Lesion Characteristics on Microvascular Obstruction in Patients With Acute Coronary Syndrome: An Optical Coherence Tomography and Cardiac Magnetic Resonance Imaging Study

      ...asuno; Naoki Maniwa; Keisuke Satogami; Hiroki Matsumoto; Manabu Kashiwagi; Hiroto Tsujioka; Hideyuki Ikejima; Akio Kuroi; Kouhei Ishibashi; Kenichi Komukai; Nozomi Wada; Kazushi Takemoto; Hironori Kitabata; Yasushi Ino; ...
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    9. Advantage of next-generation frequency-domain optical coherence tomography compared with conventional time-domain system in the assessment of coronary lesion

      Background: Intracoronary optical coherence tomography (OCT) is a high-resolution imaging modality used for evaluation of coronary lesion morphology. However, current time-domain OCT (TD-OCT) have a number of limitations with regard to both procedural usage and safety in the clinical setting. The next-generation frequency-domain OCT (FD-OCT), which has a much faster frame rate and pullback speed than TD-OCT, is expected to overcome these limitations. The aim of this study was to ...
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    10. 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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    11. 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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    12. Lipid-rich plaque and myocardial perfusion after successful stenting in patients with non-ST-segment elevation acute coronary syndrome: an optical coherence tomography study

      ...STEACS Atsushi Tanaka*, Toshio Imanishi, Hironori Kitabata, Takashi Kubo, Shigeho Takarada, Takashi Tanimoto, Akio Kuroi, Hiroto Tsujioka, Hideyuki Ikejima, Kenichi Komukai, Hideaki Kataiwa, Keishi Okouchi, Manabu Kashiw...
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    13. 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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    14. Comparison of Vascular Response After Sirolimus-Eluting Stent Implantation Between Patients With Unstable and Stable Angina Pectoris: A Serial Optical Coherence Tomography Study

      ...ence of plaque rupture (42% vs. 3%, p Takashi Kubo, MD, PhD, Toshio Imanishi, MD, PhD, Hironori Kitabata, MD, Akio Kuroi, MD, Satoshi Ueno, MD, Takashi Yamano, MD, Takashi Tanimoto, MD, Yoshiki Matsuo, MD, PhD, Takashi M...
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  2. About Akio Kuroi

    Akio Kuroi is at the department of Cardiovascular Medicine, Wakayama Medical University.