1. Wakayama Medical University

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    1. Mentioned In 137 Articles

    2. Clinical use of intracoronary imaging. Part 2: acute coronary syndromes, ambiguous coronary angiography findings, and guiding interventional decision-making: an expert consensus document of the European Association of Percutaneous Cardiovascular Intervent

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      Clinical use of intracoronary imaging. Part 2: acute coronary syndromes, ambiguous coronary angiography findings, and guiding interventional decision-making: an expert consensus document of the European Association of Percutaneous Cardiovascular Intervent
      This consensus document is the second of two reports summarizing the views of an expert panel organized by the European Association of Percutaneous Cardiovascular Interventions (EAPCI) on the clinical use of intracoronary imaging including intravascular ultrasound (IVUS), optical coherence tomography (OCT), and near infrared spectroscopy (NIRS)-IVUS. Beyond guidance of stent selection and optimization of deployment, invasive imaging facilitates angiographic interpretation and may guide treatment in acute coronary syndrome. Intravascular ...
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      Mentions: Imperial College London Cardiovascular Research Foundation Gary S. Mintz

    3. Development of a broadband superluminescent diode based on self-assembled InAs quantum dots and demonstration of high-axial-resolution optical coherence tomography imaging

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      Development of a broadband superluminescent diode based on self-assembled InAs quantum dots and demonstration of high-axial-resolution optical coherence tomography imaging
      We developed a near-infrared (NIR) superluminescent diode (SLD) based on self-assembled InAs quantum dots (QDs) and demonstrated high-axial-resolution optical coherence tomography (OCT) imaging using this QD-based SLD (QD-SLD). The QD-SLD utilized InAs QDs with controlled emission wavelengths as a NIR broadband light emitter, and a tilted waveguide with segmented electrodes was prepared for edge-emitting broadband electroluminescence (EL) spanning approximately 11.3 m. The bandwidth of the EL spectrum was increased ...
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      Mentions: Wakayama Medical University

    4. Stabilization of High Risk Coronary Plaque on Optical Coherence Tomography and Near-Infrared Spectroscopy by Intensive Lipid-Lowering Therapy With Proprotein Convertase Subtilisin/Kexin Type 9 (PCSK9) Inhibitor

      Explore jstage.jst.go.jp Cardiology
      Stabilization of High Risk Coronary Plaque on Optical Coherence Tomography and Near-Infrared Spectroscopy by Intensive Lipid-Lowering Therapy With Proprotein Convertase Subtilisin/Kexin Type 9 (PCSK9) Inhibitor
      A 70-year-old woman with hypertension and dyslipidemia underwent drug-eluting stent implantation in the mid-left anterior descending artery (LAD) due to acute coronary syndrome (ACS). Optical coherence tomography (OCT) during the index procedure showed lipid-rich plaque in non-culprit lesions of the proximal LAD and mid-right coronary artery (Figure B,E). Near-infrared spectroscopy-intravascular ultrasound (NIRS-IVUS) showed plaque with high lipid burden in both sites (Figure C,F). Intensive lipid-lowering therapy with combined ...
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      Mentions: Wakayama Medical University Takashi Kubo Hironori Kitabata

    5. Role of Optical Coherence Tomography in the Diagnosis of Spontaneous Coronary Artery Dissection

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      Role of Optical Coherence Tomography in the Diagnosis of Spontaneous Coronary Artery Dissection
      Spontaneous coronary artery dissection (SCAD) is an infrequent and often missed diagnosis among patients with acute coronary syndrome (ACS), especially young healthy females. Unfortunately, SCAD can result in significant morbidity, such as ischemia and infarction. Currently, there has been a surge in the diagnosis of SCAD due to the widespread use of new intracoronary imaging modalities, especially optical coherence tomography (OCT).However, no specific guidelines exist concerning appropriate treatment for ...
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      Mentions: Wakayama Medical University Takashi Kubo Atsushi Tanaka

    7. Serial 3-Dimensional Optical Coherence Tomography Assessment of Jailed Side-Branch by Second-Generation Drug-Eluting Absorbable Metal Scaffold (From the BIOSOLVE-II Trial)

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      Serial 3-Dimensional Optical Coherence Tomography Assessment of Jailed Side-Branch by Second-Generation Drug-Eluting Absorbable Metal Scaffold (From the BIOSOLVE-II Trial)
      Second-generation drug-eluting absorbable metal scaffold (DREAMS 2G) is used for treating coronary lesions. However, the natural history of the jailed side-branch (SB) after DREAMS 2G implantation remains to be elucidated. The aim of this study is to investigate the effect of scaffold struts on jailed SBs as assessed by 3-dimensional (3D) optical coherence tomography (OCT) after implantation of DREAMS 2G. We enrolled the patients who received a DREAMS 2G implantation ...
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      Mentions: Case Western Reserve University Hector M. Garcia-Garcia Wakayama Medical University

    9. New Volumetric Analysis Method for Stent Expansion and its Correlation With Final Fractional Flow Reserve and Clinical Outcome An ILUMIEN I Substudy

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      New Volumetric Analysis Method for Stent Expansion and its Correlation With Final Fractional Flow Reserve and Clinical Outcome An ILUMIEN I Substudy
      Download figure Open in new tab Download powerpoint Abstract Objectives This study sought to compare conventional methodology (CM) with a newly described optical coherence tomography (OCT)-derived volumetric stent expansion analysis in terms of fractional flow reserve (FFR)-derived physiology and device-oriented composite endpoints (DoCE). Background The analysis of coronary stent expansion with intracoronary imaging has used CM that relies on the analysis of selected single cross-sections for several decades ...
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      Mentions: Case Western Reserve University Cardiovascular Research Foundation David Holmes

    10. Late clinical outcome of suboptimal stent implantation defined by intracoronary optical coherence tomography

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      Late clinical outcome of suboptimal stent implantation defined by intracoronary optical coherence tomography
      Optical coherence tomography (OCT) is an intravascular imaging technique that provides high-resolution (10-20 m) images. During percutaneous coronary intervention (PCI), OCT offers useful information to guide treatment strategies and assess optimal stent implantation (Figure 1) . However, OCT remains markedly underused in the real world. For further integration of OCT into clinical practice, it is necessary to accumulate evidence showing that OCT has a beneficial impact on the outcomes of PCI ...
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      Mentions: Wakayama Medical University Takashi Kubo Takashi Akasaka

    11. In vivo optical coherence tomography imaging and histopathology of healed coronary plaques

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      In vivo optical coherence tomography imaging and histopathology of healed coronary plaques
      Background and aims The aims of this study were to assess agreement between optical coherence tomography (OCT) and histopathology for healed coronary plaques (HCPs) in human coronary arteries ex vivo , and to evaluate the prevalence and characteristics of HCPs in vivo . Methods Ex vivo OCT images were co-registered with histopathology in 144 cross-sections with 50% stenosis. Of these, 30 randomly selected pairs were employed to define morphological features of OCT ...
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      Mentions: Wakayama Medical University Takashi Kubo Takashi Tanimoto

    12. The role of optical coherence tomography in the setting of acute myocardial infarction

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      The role of optical coherence tomography in the setting of acute myocardial infarction
      In recent years, intravascular imaging-guided percutaneous coronary intervention (PCI) has been increasing in patients with acute myocardial infarction (AMI). However, the role of optical coherence tomography (OCT) has not been established in the setting of AMI despite OCT providing superior resolution (10 m axial resolution) and facilitating assessment of baseline lesion characteristics and post-intervention evaluation of the acute result of stent implantation, including visualization of procedural dissections, malapposition, tissue prolapse ...
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      Mentions: Wakayama Medical University Takashi Akasaka

    13. Comparison between Optical COherence tomography guidance and Angiography guidance in percutaneous coronary intervention (COCOA): Study protocol for a randomized controlled trial

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      Comparison between Optical COherence tomography guidance and Angiography guidance in percutaneous coronary intervention (COCOA): Study protocol for a randomized controlled trial
      Background Optical coherence tomography (OCT) is increasingly used as an adjunct to coronary angiography for guiding percutaneous coronary intervention (PCI). The current consensus on PCI is that the large final stent area offers the best chance of a good late clinical outcome. Since OCT provides more accurate information about the coronary artery and implanted stents, OCT-guided stent implantation is expected to achieve greater stent expansion than angiography guidance alone. Therefore ...
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      Mentions: Wakayama Medical University Takashi Kubo Hironori Kitabata

    15. Growth of quantum three-dimensional structure of InGaAs emitting at ~1 µm applicable for a broadband near-infrared light source

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      Growth of quantum three-dimensional structure of InGaAs emitting at ~1 µm applicable for a broadband near-infrared light source
      We obtained a high-intensity and broadband emission centered at ~1 m from InGaAs quantum three-dimensional (3D) structures grown on a GaAs substrate using molecular beam epitaxy. An InGaAs thin layer grown on GaAs with a thickness close to the critical layer thickness is normally affected by strain as a result of the lattice mismatch and introduced misfit dislocations. However, under certain growth conditions for the In concentration and growth temperature ...
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      Mentions: Wakayama Medical University Richard A. Hogg

    16. OPtical Frequency Domain Imaging Versus INtravascular Ultrasound in Percutaneous Coronary InterventiON - OPINION Imaging

      Explore Home - ClinicalTrials.gov Cardiology , Clinical Trials
      OPtical Frequency Domain Imaging Versus INtravascular Ultrasound in Percutaneous Coronary InterventiON - OPINION Imaging
      This study is the sub-study of OPINION Trial. (UMIN000010580) The aim of this study is to evaluate how Optical frequency domain imaging (OFDI) or Intravascular Ultrasound (IVUS) imaging technology influence to the Percutaneous Coronary Intervention (PCI) strategy. Optical frequency domain imaging (OFDI) is a novel, high resolution intravascular imaging modality. Intravascular ultrasound (IVUS) is a widely used conventional imaging modality for achieving optimal stent deployment. This study is the sub-study ...
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      Mentions: Wakayama Medical University Takashi Akasaka
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  4. About Wakayama Medical University

    Wakayama Medical University

    Wakayama Medical University is a public university in Wakayama, Wakayama, Japan. The predecessor of the school was founded in 1945, and it was chartered as a university in 1948.

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    3. Impact of Culprit Lesion Characteristics on Microvascular Obstruction in Patients With Acute Coronary Syndrome: An Optical Coherence Tomography and Cardiac Magnetic Resonance Imaging Study
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