1. Articles from T. Akasaka

    1-3 of 3
    1. Intracoronary optical coherence tomography assessment of spontaneous coronary artery dissection

      Optical coherence tomography (OCT; ImageWire, LightLab Imaging, Westford, Massachusetts, USA) is an imaging modality with a high resolution of about 10–20 µm, and can visualise the intima, media and adventitia as well as the histological examination. A 40-year-old woman was admitted with sudden-onset chest pain at rest. She had no collagen tissue disease, no trauma, no Marfan’s syndrome and Ehlers–Danlos syndrome on physical examination and no risk factors for coronary artery disease. Her admission electrocardiogram showed ST-segment depression in II, III, aVF and V4–6 leads. Coronary angiography demonstrated an ulcer-like contrast staining (arrow head) and diffuse ...
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    2. Cardiac Optical Coherence Tomography

      Acute coronary syndromes (ACS) are a major cause of morbidity and mortality in the developed world. The risk of future acute coronary events appears to be largely dependent on the presence of morphologically distinct, atherosclerotic plaques,1 rather than the presence of severely stenotic lesions as assessed by angiography.2 Angiography, however, cannot provide details of the vascular wall and identify these so-called "vulnerable plaques". To identify, study and potentially treat these lesions many invasive and non-invasive imaging modalities are undergoing evaluation. While techniques such as intravascular ultrasound (IVUS), especially combined with radiofrequency analysis, have been significant developments providing valuable ...
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    3. Identification of multiple plaque ruptures by optical coherence tomography in a patient with acute myocardial infarction: a three-vessel study

      Optical coherence tomography (OCT) is a new imaging modality capable of obtaining cross-sectional images of coronary vessels with a high resolution of about 10 µm, which is about 10-fold greater than that of intravascular ultrasound. A 57-year-old man was admitted to our hospital with acute posterior myocardial infarction. An emergency coronary angiography demonstrated 99% stenosis (TIMI 2 flow) in segment 11 of the left circumflex artery, and 75% stenosis in segment 3 of the right coronary artery, but no significant stenosis in the left anterior descending coronary artery (panels A, F). Thin-cap fibroatheroma (TCFA; panel B), plaque rupture (panel C ...
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    1-3 of 3
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  2. Topics in the News

    1. (3 articles) Wakayama Medical University
    2. (3 articles) Takashi Akasaka
    3. (2 articles) Abbot
    4. (1 articles) Harvard University
    5. (1 articles) Massachusetts General Hospital
    6. (1 articles) Hironori Kitabata
    7. (1 articles) Ik-Kyung Jang
    8. (1 articles) Kohei Ishibashi
    9. (1 articles) South China Normal University
    10. (1 articles) Indiana University
    11. (1 articles) Donald T. Miller
    12. (1 articles) Boston Scientific
    13. (1 articles) Abbot
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