1. Masato Mizukoshi

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    1. Mentioned In 32 Articles

    2. Coronary Superficial and Spotty Calcium Deposits in Culprit Coronary Lesions of Acute Coronary Syndrome as Determined by Optical Coherence Tomography

      Coronary Superficial and Spotty Calcium Deposits in Culprit Coronary Lesions of Acute Coronary Syndrome as Determined by Optical Coherence Tomography
      ...posits in Culprit Coronary Lesions of Acute Coronary Syndrome as Determined by Optical Coherence Tomography * Masato Mizukoshi, MD Affiliations + Corresponding Author Information Corresponding author: Tel: (+81) 73-447-2...
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    3. Difference in neointimal appearance between early and late restenosis after sirolimus-eluting stent implantation assessed by optical coherence tomography

      Difference in neointimal appearance between early and late restenosis after sirolimus-eluting stent implantation assessed by optical coherence tomography
      Objectives: Late in-stent restenosis (ISR) is an important clinical issue in the drug-eluting stent era. Autopsy studies have reported different underlying mechanisms between early ISR and late ISR. The aim of the present study was to compare the neointimal tissue appearance between early ISR (1 year) and late ISR (1 year) after sirolimus-eluting stent (SES) implantation using optical coherence tomography (OCT). Materials and methods: We examined the neointimal tissue appearance ...
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    4. 146 Association of Carotid Arterial Stiffness and Coronary Plaque Characteristics: An Optical Coherence Tomography Study

      146 Association of Carotid Arterial Stiffness and Coronary Plaque Characteristics: An Optical Coherence Tomography Study
      Background: The arterial stiffness predicts a higher risk of atherosclerosis. However, the association of arterial stiffness and coronary plaque morphology remains unclear. Optical coherence tomography (OCT) can reveal coronary plaque morphology in detail. In this study, we evaluated the association of carotid arterial stiffness and coronary plaque characteristics assessed by OCT. Methods: Thirty-five patients with angina pectoris were enrolled. Augmentation index (AI), stiffness parameter [beta], and pulse wave velocity (PWV ...
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    5. Optical Coherence Tomography-Derived Anatomical Criteria for Functionally Significant Coronary Stenosis Assessed by Fractional Flow Reserve

      Optical Coherence Tomography-Derived Anatomical Criteria for Functionally Significant Coronary Stenosis Assessed by Fractional Flow Reserve
      Background:For the identification of functionally significant coronary artery disease, there have not been any dedicated optical coherence tomography (OCT) studies reported previously, although OCT can clearly detect coronary vessel lumina at higher resolution than intravascular ultrasound (IVUS). Methods and Results:OCT and fractional flow reserve (FFR) measurements were performed in 62 intermediate coronary lesions in 59 patients. FFR was calculated as the ratio of distal coronary pressure divided by ...
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    6. Effect of strut thickness on neointimal atherosclerotic change over an extended follow-up period (≥4 years) after bare-metal stent implantation: Intracoronary optical coherence tomography examination

      Effect of strut thickness on neointimal atherosclerotic change over an extended follow-up period (≥4 years) after bare-metal stent implantation: Intracoronary optical coherence tomography examination
      Background Neointima inside the bare-metal stents (BMSs) can transform into atherosclerotic tissue during an extended follow-up because of a persistent inflammatory reaction to the metal. We sought to investigate whether strut thickness may impact on the atherosclerotic change in neointima 4 years or more after BMS implantation using optical coherence tomography. Methods Forty-six stented lesions of 41 patients with BMS ≥4 years after implantation who underwent optical coherence tomography were ...
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    7. Comparison of Contrast Media and Low-Molecular-Weight Dextran for Frequency-Domain Optical Coherence Tomography

      Comparison of Contrast Media and Low-Molecular-Weight Dextran for Frequency-Domain Optical Coherence Tomography
      Although an intracoronary frequency-domain optical coherence tomography (FD-OCT) system overcomes several limitations of the time-domain OCT (TD-OCT) system, the former requires injection of contrast media for image acquisition. The increased total amount of contrast media for FD-OCT image acquisition may lead to the impairment of renal function. The safety and usefulness of the non-occlusion method with low-molecular-weight dextran L (LMD-L) via a guiding catheter for TD-OCT image acquisition have been ...
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    8. Conformational Change in Coronary Artery Structure Assessed by Optical Coherence Tomography in Patients With Vasospastic Angina

      Conformational Change in Coronary Artery Structure Assessed by Optical Coherence Tomography in Patients With Vasospastic Angina
      Objectives The aim of this study was to investigate the conformational change of arterial structure in the vasospastic lesion with optical coherence tomography. Background Coronary artery spasm plays an important role in the pathogenesis of ischemic heart diseases. The conformational change of each arterial layer during vasospasm has not been studied in detail. Methods We assessed 19 coronary arteries (10 spasm and 9 nonspasm lesions) with optical coherence tomography during ...
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    9. Virtual Histology Intravascular Ultrasound Compared With Optical Coherence Tomography for Identification of Thin-Cap Fibroatheroma

      Virtual Histology Intravascular Ultrasound Compared With Optical Coherence Tomography for Identification of Thin-Cap Fibroatheroma
      Virtual histology intravascular ultrasound (VH-IVUS) allows detailed assessment of plaque composition in the clinical setting. Optical coherence tomography (OCT) has been developed as a high-resolution imaging method, which might be a promising technique to identify thin-cap fibroatheroma (TCFA) in vivo. The purpose of the present study was to evaluate the diagnostic accuracy of VH-IVUS to identify TCFA as determined by OCT.We examined 96 target lesions in patients with stable ...
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    10. 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
      ...akashi Tanimoto, MD, Kenichi Komukai, MD, Kohei Ishibashi, MD, Keizo Kimura, MD, PhD, Kumiko Hirata, MD, PhD, Masato Mizukoshi, MD, PhD, Toshio Imanishi, MD, PhD, Takashi Akasaka, MD, PhD* Department of Cardiovascular Me...
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    11. Assessment by Optical Coherence Tomography of Stent Struts Across Side Branch – Comparison of Bare-Metal Stents and Drug-Eluting Stents –

      Assessment by Optical Coherence Tomography of Stent Struts Across Side Branch – Comparison of Bare-Metal Stents and Drug-Eluting Stents –
      Late stent thrombosis (LST) after drug-eluting stent (DES) implantation is a major clinical problem that has not been fully explained. Incomplete neointimal coverage of stent struts is an important morphometric predictor of LST, which may be associated with impaired healing and the absence of full coverage of struts at branch-point ostia. Optical coherence tomography (OCT) was performed to compare 3 types of stents placed across side branches. Methods and Results ...
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    12. Clinical Classification and Plaque Morphology Determined by Optical Coherence Tomography in Unstable Angina Pectoris

      Clinical Classification and Plaque Morphology Determined by Optical Coherence Tomography in Unstable Angina Pectoris
      Unstable angina pectoris (UAP) is categorized with the Braunwald classification. However, the association of clinical presentation and plaque structure/function has not yet been elucidated in relation to cause. We used optical coherence tomography to investigate this relation. One hundred fifteen patients with primary UAP were categorized according to the Braunwald classification. Patients with class I UAP had the highest frequency of ulcers without fibrous cap disruption (p = 0.003 ...
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    13. The Effect of Lipid and Inflammatory Profiles on the Morphological Changes of Lipid-Rich Plaques in Patients With Non-ST-Segment Elevated Acute Coronary Syndrome: Follow-Up Study by Optical Coherence Tomography and Intravascular Ultrasound

      The Effect of Lipid and Inflammatory Profiles on the Morphological Changes of Lipid-Rich Plaques in Patients With Non-ST-Segment Elevated Acute Coronary Syndrome: Follow-Up Study by Optical Coherence Tomography and Intravascular Ultrasound
      ...asushi Ino, MD, Hironori Kitabata, MD, Takashi Kubo, MD, PhD, Atsushi Tanaka, MD, PhD, Keizo Kimura, MD, PhD, Masato Mizukoshi, MD, PhD, Takashi Akasaka, MD, PhD* Department of Cardiovascular Medicine, Wakayama Medical U...
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  2. About Masato Mizukoshi

    Masato Mizukoshi is at the department of Cardiovascular Medicine, Wakayama Medical University,