1. Kyoichi Mizuno

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    1. Mentioned In 42 Articles

    2. Relation of Low-Density Lipoprotein Cholesterol Level to Plaque Rupture

      Relation of Low-Density Lipoprotein Cholesterol Level to Plaque Rupture
      Statin therapy reduces low-density lipoprotein cholesterol (LDL-C), inflammation, and atherosclerotic cardiovascular disease. We investigated the association between LDL-C and statin therapy on the prevalence of plaque rupture (PR). Patients with acute coronary syndromes who underwent optical coherence tomography imaging of the culprit lesion were divided into 4 groups based on LDL-C level and statin use (Group 1: LDL-C 100 without statin; Group 2; LDL-C 100 with statin; Group 3: LDL-C ...
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    3. Degree of luminal narrowing and composition of thrombus in plaque erosion

      Degree of luminal narrowing and composition of thrombus in plaque erosion
      As the degree of luminal narrowing increases, shear stress increases, and high shear stress is known to activate platelets. However, the relationship between the degree of luminal narrowing and the composition of thrombus in patients with plaque erosion has not been studied. A total of 148 patients with plaque erosion and thrombus detected by optical coherence tomography were divided into tertiles based on the minimum lumen area (MLA) at the ...
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    4. Comparison of post‐stent optical coherence tomography findings: Layered versus non‐layered culprit lesions

      Comparison of post‐stent optical coherence tomography findings: Layered versus non‐layered culprit lesions
      Objectives This study aimed to investigate the vascular response of lesions with a layered phenotype. Background Recent studies have shown that layered plaques at culprit lesions detected by optical coherence tomography (OCT) have greater plaque burden and more inflammatory features than non‐layered plaques. Methods This is a retrospective observational study. A total of 193 target lesions from 193 patients [100 patients with acute coronary syndromes (ACS) and 93 with ...
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    5. Clinical Significance of Lipid-Rich Plaque Detected by Optical Coherence Tomography : A 4-Year Follow-Up Study

      Clinical Significance of Lipid-Rich Plaque Detected by Optical Coherence Tomography : A 4-Year Follow-Up Study
      Background Lipid-rich plaque (LRP) is thought to be a precursor to cardiac events. However, its clinical significance in coronary arteries has never been systematically investigated. Objectives This study investigated the prevalence and clinical significance of LRP in the nonculprit region of the target vessel in patients undergoing percutaneous coronary intervention (PCI). Methods The study included 1,474 patients from 20 sites across 6 countries undergoing PCI, who had optical coherence ...
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    6. Target lesion evaluation by multiple modalities in vivo: near-infrared spectroscopy (NIRS), virtual histology intravascular ultrasound, optical coherence tomography, and angioscopy

      Target lesion evaluation by multiple modalities in vivo: near-infrared spectroscopy (NIRS), virtual histology intravascular ultrasound, optical coherence tomography, and angioscopy
      A 60-year-old man presented with ischaemic heart failure. We conducted coronary angiography (CAG) after improvement of the heart failure. On CAG, there was a hazy stenosis in the proximal left anterior descending artery (Figure 1, Moving image 1) . The lesion was observed by four modalities: near-infrared spectroscopy (NIRS), virtual histology intravascular ultrasound (VH-IVUS), optical coherence tomography (OCT), and angioscopy. NIRS detected lipid core plaque with echolucency on greyscale IVUS. VH-IVUS ...
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    7. The Role of Multiple Imaging Modalities to Disclose the Mechanism of ACS Angioscopy in Comparison to Other Imaging Modalities Including OCT, IVUS and CTA (Book Chapter)

      The Role of Multiple Imaging Modalities to Disclose the Mechanism of ACS Angioscopy in Comparison to Other Imaging Modalities Including OCT, IVUS and CTA (Book Chapter)
      This book presents a thorough review of coronary angioscopy, ranging from instructions on its use to the latest advances. Starting with the structure and fundamental principles of angioscopy, it shows readers how to apply the image to comprehensive care of coronary-artery patients. Plentiful color photos and illustrations will enable readers to investigate and classify plaques and thrombi and to evaluate coronary stent- and drug-based therapies. The authors are leading researchers ...
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    8. Assessment of vascular response after drug-eluting stents implantation in patients with diabetes mellitus: an optical coherence tomography sub-study of the J-DESsERT

      Assessment of vascular response after drug-eluting stents implantation in patients with diabetes mellitus: an optical coherence tomography sub-study of the J-DESsERT
      Even in the drug-eluting stent era, diabetes mellitus (DM) patients have high incidences of restenosis and repeat revascularization after percutaneous coronary intervention. The aim of this study was to compare vascular response after stent implantation between sirolimus-eluting stent (SES) and paclitaxel-eluting stent (PES) by using optical coherence tomography (OCT) in DM patients as well as in non-DM patients. In the Japan-Drug Eluting Stents Evaluation; a Randomized Trial (J-DESsERT), the OCT ...
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    9. Relationship between cholesterol crystals and culprit lesion characteristics in patients with stable coronary artery disease: an optical coherence tomography study

      Relationship between cholesterol crystals and culprit lesion characteristics in patients with stable coronary artery disease: an optical coherence tomography study
      Aims Some recent studies have reported the role of cholesterol crystals (ChCs) in plaque rupture in patients with coronary artery disease. We used optical coherence tomography (OCT) to investigate the characteristics of coronary plaques that were associated with derived ChCs. Methods We evaluated 101 subjects with stable coronary artery disease who underwent OCT. We compared the OCT findings of the culprit lesions with ChCs to those without ChCs and investigated ...
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    10. Feature Of The Week 8/4/13: MGH OCT Registry Reports on In Vivo OCT Studies of Plaque Erosion and Calcified Nodule In Acute Coronary Syndrome

      Feature Of The Week 8/4/13: MGH OCT Registry Reports on In Vivo OCT Studies of Plaque Erosion and Calcified Nodule In Acute Coronary Syndrome
      Pathology studies reported that three most common causes of acute coronary syndrome (ACS) or sudden cardiac death are plaque rupture, plaque erosion and calcified nodules. The morphological and clinical characteristics of the underlying pathology of ACS, especially plaque erosion and calcified nodule, have never been well studied in vivo. Using optical coherence tomography, we found that plaque erosions are the substrate for ACS in 31% of patients and calcified nodules ...
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    11. In Vivo Diagnosis of Plaque Erosion and Calcified Nodule in Patients with Acute Coronary Syndrome by Intravascular Optical Coherence Tomography

      In Vivo Diagnosis of Plaque Erosion and Calcified Nodule in Patients with Acute Coronary Syndrome by Intravascular Optical Coherence Tomography
      Objectives To characterize the morphological features of plaque erosion and calcified nodule in patients with acute coronary syndrome (ACS) by optical coherence tomography (OCT). Background Plaque erosion and calcified nodule have not been systematically investigated in vivo . Methods One hundred and twenty-six patients with ACS who had undergone pre-intervention OCT imaging were included. The culprit lesions were classified as plaque rupture (PR), erosion (OCT-erosion), calcified nodule (OCT-CN), or others using ...
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    12. Soluble lectin-like oxidized LDL receptor-1 (sLOX-1) as a valuable diagnostic marker for rupture of thin-cap fibroatheroma: Verification by optical coherence tomography

      Soluble lectin-like oxidized LDL receptor-1 (sLOX-1) as a valuable diagnostic marker for rupture of thin-cap fibroatheroma: Verification by optical coherence tomography
      ...o Seino Affiliations + Cardiovascular Center, Chiba-Hokusoh Hospital, Nippon Medical School, Chiba, Japan , * Kyoichi Mizuno Affiliations + Division of Cardiology, Nippon Medical School, Tokyo, Japan Received 16 June 201...
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    13. Identification of high-risk plaques associated with peri-procedural myocardial injury following elective percutaneous coronary intervention: Assessment by high-sensitivity troponin-T measurements and optical coherence tomography

      Identification of high-risk plaques associated with peri-procedural myocardial injury following elective percutaneous coronary intervention: Assessment by high-sensitivity troponin-T measurements and optical coherence tomography
      ...akano Affiliations + Department of Cardiology, Nippon Medical School Chiba-Hokusoh Hospital, Chiba, Japan , * Kyoichi Mizuno Affiliations + Division of Medicine, Nippon Medical School, Tokyo, Japan Received 16 February 2...
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  2. About Kyoichi Mizuno

    Kyoichi Mizuno, MD, is a cardiologist at the Nippon Medical School.