1. Wakayama Medical University

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    1. Mentioned In 108 Articles

    2. Angiographic, optical coherence tomography and histology findings from combination of a drug-coated balloon with an everolimus-eluting stent in a porcine mode

      Explore Elsevier Health Cardiology
      Angiographic, optical coherence tomography and histology findings from combination of a drug-coated balloon with an everolimus-eluting stent in a porcine mode
      Background We designed a porcine model to compare the angiographic, optical coherence tomography (OCT) and histological findings of implanting an everolimus-eluting stent (EES) in the same segment of the coronary artery pre-treated with a drug-coating balloon (DCB; paccocath as carrier) with EES alone and DCB plus a bare metal stent (BMS). Methods Seven female swine averaging 46.02.4 kg were treated by random assignment as follows: DCB followed by ...
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      Mentions: Wakayama Medical University Takashi Kubo Takashi Akasaka

    3. High-resolution and nondestructive profile measurement by spectral-domain optical coherence tomography with a visible broadband light source for optical-device fabrication

      Explore IOPscience NDE/NDT
      High-resolution and nondestructive profile measurement by spectral-domain optical coherence tomography with a visible broadband light source for optical-device fabrication
      We developed a spectral-domain optical coherence tomography (OCT) using a visible broadband light source (vis-OCT) for application to high-resolution and nondestructive profile measurement and imaging in semiconductor optical-device fabrication. By using visible broadband light centered at 625 nm and with spectral bandwidth of 260 nm, an axial resolution of 0.69 m in air was obtained. This was effective for inspection of a transparent photoresist film with thickness of 12 ...
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      Mentions: Wakayama Medical University

    4. Assessment of Vascular Response after Stent Implantation by Intracoronary Optical Coherence Tomograph

      Explore synergy Cardiology
      Assessment of Vascular Response after Stent Implantation by Intracoronary Optical Coherence Tomograph
      Optical coherence tomography (OCT) is a high resolution (10-20 m) imaging modality that provides microscopic visualization of the coronary artery including vascular response after stent implantation. Compared to conventional intravascular ultrasound, OCT can more clearly identify findings immediately after stent implantation, such as tissue protrusion, stent edge dissection, and incomplete stent strut apposition. Furthermore, OCT allows clinicians to accurately assess the late acquired stent malapposition and strut coverage which could ...
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      Mentions: Wakayama Medical University Takashi Kubo Hironori Kitabata

    6. Reduction of in-stent thrombus immediately after percutaneous coronary intervention by pretreatment with prasugrel compared with clopidogrel: An optical coherence tomography study

      Explore Journal of Cardiology Cardiology
      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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      Mentions: Wakayama Medical University Takashi Kubo Yoshiki Matsuo

    7. The use of optical coherence tomography in acute coronary syndrome

      Explore Taylor & Francis Online Cardiology
      The use of optical coherence tomography in acute coronary syndrome
      Optical coherence tomography (OCT) is an intracoronary imaging modality which utilizes near-infrared light to provide high-resolution cross-sectional in-vivo images of the coronary artery. OCT imaging technique enables detailed evaluation of plaque morphology in patients with acute coronary syndrome and helps to understand the underlying mechanisms including plaque rupture, plaque erosion, and calcified nodule. It is useful to optimize percutaneous coronary intervention, and evaluate vascular response to coronary intervention and pharmacological ...
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      Mentions: Wakayama Medical University Takashi Kubo Yoshiki Matsuo

    8. Optical frequency domain imaging vs. intravascular ultrasound in percutaneous coronary intervention (OPINION trial): Study protocol for a randomized controlled trial

      Explore Journal of Cardiology Cardiology
      Optical frequency domain imaging vs. intravascular ultrasound in percutaneous coronary intervention (OPINION trial): Study protocol for a randomized controlled trial
      Background Optical coherence tomography is becoming increasingly widespread as an adjunctive intravascular diagnostic technique in percutaneous coronary intervention (PCI), because of its ability to visualize coronary structures at high resolution. Several studies have reported that intravascular ultrasound (IVUS) guidance in PCI might be helpful to reduce subsequent stent thrombosis, restenosis, repeat revascularization, myocardial infarction, and cardiac death. The OPtical frequency domain imaging vs. INtravascular ultrasound in percutaneous coronary InterventiON (OPINION ...
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      Mentions: Wakayama Medical University Takashi Kubo Takashi Akasaka

    9. Optical coherence tomography assessment of efficacy of thrombus aspiration in patients undergoing a primary percutaneous coronary intervention for acute ST-elevation myocardial infarction

      Explore LWW Online Cardiology
      Optical coherence tomography assessment of efficacy of thrombus aspiration in patients undergoing a primary percutaneous coronary intervention for acute ST-elevation myocardial infarction
      Objective: We used optical coherence tomography (OCT) to assess the impact of thrombus aspiration before angioplasty on poststenting tissue protrusions in patients undergoing a primary percutaneous coronary intervention (PCI) for ST-segment elevation myocardial infarction (STEMI). Methods and results: A total of 188 patients with STEMI who underwent thrombus-aspiration PCI ( n =113) or standard PCI ( n =75) were examined in this study. OCT was performed immediately after primary PCI to assess ...
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      Mentions: Wakayama Medical University Takashi Kubo Yoshiki Matsuo

    10. Optical coherence tomography assessment of efficacy of thrombus aspiration in patients undergoing a primary percutaneous coronary intervention for acute ST-elevation myocardial infarction

      Explore LWW Online Cardiology
      Optical coherence tomography assessment of efficacy of thrombus aspiration in patients undergoing a primary percutaneous coronary intervention for acute ST-elevation myocardial infarction
      Objective: We used optical coherence tomography (OCT) to assess the impact of thrombus aspiration before angioplasty on poststenting tissue protrusions in patients undergoing a primary percutaneous coronary intervention (PCI) for ST-segment elevation myocardial infarction (STEMI). Methods and results: A total of 188 patients with STEMI who underwent thrombus-aspiration PCI ( n =113) or standard PCI ( n =75) were examined in this study. OCT was performed immediately after primary PCI to assess ...
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      Mentions: Boston Scientific Wakayama Medical University Takashi Kubo

    11. Comparison of neointimal coverage between everolimus-eluting stents and sirolimus-eluting stents: an optical coherence tomography substudy of the RESET (Randomized Evaluation of Sirolimus-eluting versus Everolimus-eluting stent Trial)

      Explore eurointervention.org Cardiology
      Comparison of neointimal coverage between everolimus-eluting stents and sirolimus-eluting stents: an optical coherence tomography substudy of the RESET (Randomized Evaluation of Sirolimus-eluting versus Everolimus-eluting stent Trial)
      Aims: The aim of the present study was to compare vascular healing response between the first-generation sirolimus-eluting stent (SES) and the second-generation everolimus-eluting stent (EES) by using optical coherence tomography (OCT). Methods and results: The RESET was a prospective, multicentre, randomised, open-label trial comparing EES and SES. Of the 3,197 patients enrolled in the RESET, nine-month follow-up OCT after stent implantation was performed in 100 patients (48 EES-treated lesions ...
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      Mentions: Wakayama Medical University Takashi Kubo Takashi Akasaka

    12. OCT–Defined Morphological Characteristics of Coronary Artery Spasm Sites in Vasospastic Angina

      Explore ScienceDirect Cardiology
      OCT–Defined Morphological Characteristics of Coronary Artery Spasm Sites in Vasospastic Angina
      Objectives The aim of this study was to define the morphological features of coronary artery spasm sites using optical coherence tomography (OCT) in patients with vasospastic angina (VSA). Background Plaque characteristics at coronary artery spasm sites have not been investigated systematically. Methods Sixty-nine consecutive patients (80 spasm sites) presenting with VSA who underwent OCT imaging were included in this study. Fibrous cap disruption was identified by the discontinuation of fibrous ...
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      Mentions: Seoul National University University of Ulsan Wakayama Medical University

    13. Optimal threshold of postintervention minimum stent area to predict in-stent restenosis in small coronary arteries: An optical coherence tomography analysis

      Explore Wiley Online Library Cardiology
      Optimal threshold of postintervention minimum stent area to predict in-stent restenosis in small coronary arteries: An optical coherence tomography analysis
      Objectives The aim of this study was to determine the best threshold of postintervention minimum stent area (MSA) assessed by optical coherence tomography (OCT) to predict long-term in-stent restenosis (ISR) for 2.5 mm-diameter everolimus-eluting stents (EES). Background Percutaneous coronary intervention (PCI) for small coronary arteries remains challenging. Stent underexpansion is a strong predictor of late ISR. Methods We performed a retrospective analysis of 69 lesions in 69 patients undergoing ...
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      Mentions: Wakayama Medical University Takashi Kubo Takashi Tanimoto

    14. Optical coherence tomography assessment of efficacy of thrombus aspiration in patients undergoing a primary percutaneous coronary intervention for acute ST-elevation myocardial infarction

      Explore LWW Online Ophthalmology
      Optical coherence tomography assessment of efficacy of thrombus aspiration in patients undergoing a primary percutaneous coronary intervention for acute ST-elevation myocardial infarction
      Objective: We used optical coherence tomography (OCT) to assess the impact of thrombus aspiration before angioplasty on poststenting tissue protrusions in patients undergoing a primary percutaneous coronary intervention (PCI) for ST-segment elevation myocardial infarction (STEMI). Methods and results: A total of 188 patients with STEMI who underwent thrombus-aspiration PCI (n=113) or standard PCI (n=75) were examined in this study. OCT was performed immediately after primary PCI to assess ...
      Read Full Article
      Mentions: Wakayama Medical University Takashi Kubo Yoshiki Matsuo

    15. Vasa Vasorum Restructuring in Human Atherosclerotic Plaque Vulnerability

      Explore JACC Cardiology
      Vasa Vasorum Restructuring in Human Atherosclerotic Plaque Vulnerability
      Background Previous studies have suggested that vasa vasorum (VV) is associated with plaque progression and vulnerability. Objectives The aim of this study was to investigate the relationship between coronary neovascularization structures and plaque characteristics. Methods We included 53 patients who underwent optical coherence tomography to observe the proximal left anterior descending coronary artery. Patients were classified into 5 groups according to lesion characteristics: normal; fibrous plaque (FP); fibroatheroma (FA); plaque ...
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      Mentions: Wakayama Medical University Takashi Kubo Yoshiki Matsuo

    16. Optical characterization of In-flushed InAs/GaAs quantum dots emitting a broadband spectrum with multiple peaks at ~1 μm

      Explore Nanoscale Research Letters Broadband Sources
      Optical characterization of In-flushed InAs/GaAs quantum dots emitting a broadband spectrum with multiple peaks at ~1 μm
      We investigated optical properties of In-flushed InAs quantum dots (QDs) grown on a GaAs substrate by molecular beam epitaxy. By using the In-flush technique for setting the height of self-assembled InAs QDs, we have tuned the emission wavelength of InAs QDs to the ~1 m regime, which can be utilized as a non-invasive and deeply penetrative probe for biological and medical imaging systems. The controlled emission exhibited a broadband spectrum ...
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      Mentions: University of Sheffield Wakayama Medical University Richard A. Hogg
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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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