1. Patras University

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    1. Mentioned In 23 Articles

    2. Choroidal Thickness in Beta-thalassemia Patients

      Explore Home - ClinicalTrials.gov Ophthalmology , Clinical Trials
      Choroidal Thickness in Beta-thalassemia Patients
      The purpose of this study is to examine choroidal thickness in beta-thalassemia patients and compare it to the one of healthy controls. An equal number of transfusion dependent beta-thalassemic patients and age and sex matched healthy volunteers will undergo spectral-domain optical coherence tomography utilizing the enhanced depth imaging application to visualize and measure the choroid.
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      Mentions: Patras University

    4. Culprit plaque morphology in STEMI – an optical coherence tomography study: insights from the TOTAL-OCT substudy

      Explore eurointervention.org Cardiology
      Culprit plaque morphology in STEMI – an optical coherence tomography study: insights from the TOTAL-OCT substudy
      Aims: Our aim was to compare stenosis severity and plaque content between STEMI culprit lesions with intact fibrous cap (IFC) and those with plaque rupture (PR) in a prospective study. Methods and results: We evaluated 93 patients undergoing OCT and thrombectomy as part of a prospective substudy of the TOTAL (ThrOmbecTomy versus PCI ALone) trial. Culprit lesion morphology was assessable by OCT in 70/93 (75.3%). IFC was found ...
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      Mentions: Tampere University of Technology University of British Columbia Patras University

    5. Venous Drug-Eluting vs. Bare-Metal Stenting: An Experimental Animal Study Using Frequency Domain Optical Coherence Tomography

      Explore The Hellenic Journal of Cardiology Cardiology
      Venous Drug-Eluting vs. Bare-Metal Stenting: An Experimental Animal Study Using Frequency Domain Optical Coherence Tomography
      Introduction: This protocol was designed to evaluate the safety and feasibility of implanting drug-eluting stents (DES), as well as to compare their long-term results versus bare-metal stents (BMS), in a rabbit venous model, using frequency-domain optical coherence tomography (FD-OCT). Methods: Thirteen New Zealand white rabbits underwent implantation of a zotarolimus-eluting stent in the iliac vein (DES Group) and a BMS in the contralateral iliac vein (BMS Group). The studys primary ...
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      Mentions: Patras University

    6. Optical coherence tomography provides images similar to histology and allows the performance of extensive measurements of drug-eluting metal stents in animal ureter

      Explore Home - Springer Urology
      Optical coherence tomography provides images similar to histology and allows the performance of extensive measurements of drug-eluting metal stents in animal ureter
      Optical coherence tomography (OCT) images and histology images of metal stents (MSs) inserted in animal ureters were compared, and the reliability of an OCT-based automated method for the performance of quantitative evaluation of ureteral MSs was evaluated. A zotarolimus-eluting metal stent (ZES) and a bare metal stent (BMS) were inserted in each ureter of ten pigs and six rabbits. OCT was performed in unobstructed stented ureters. Histopathologic examination of the ...
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      Mentions: Patras University

    7. Automatic quantitative analysis of in-stent restenosis using FD-OCT in vivo intra-arterial imaging

      Explore Linking to Scitation Content Cardiology
      Automatic quantitative analysis of in-stent restenosis using FD-OCT in vivo intra-arterial imaging
      Purpose: A new segmentation technique is implemented for automatic lumen area extraction and stent strut detection in intravascular optical coherence tomography (OCT) images for the purpose of quantitative analysis of in-stent restenosis (ISR). In addition, a user-friendly graphical user interface (GUI) is developed based on the employed algorithm toward clinical use. Methods: Four clinical datasets of frequency-domain OCT scans of the human femoral artery were analyzed. First, a segmentation method ...
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      Mentions: Patras University

    8. Evaluation of Below-the-Knee Drug-Eluting Stents With Frequency-Domain Optical Coherence Tomography: Neointimal Hyperplasia and Neoatherosclerosis

      Explore Journal of Endovascular Therapy Cardiology
      Evaluation of Below-the-Knee Drug-Eluting Stents With Frequency-Domain Optical Coherence Tomography: Neointimal Hyperplasia and Neoatherosclerosis
      Purpose: To report the use of intravascular frequency-domain optical coherence tomography (FD-OCT) to detect and characterize in-stent neointimal tissue following infrapopliteal drug-eluting stent (DES) placement in patients suffering from critical limb ischemia. Methods: This prospective study included 12 patients (7 men; mean age 72.87.2 years) who had previously received 21 infrapopliteal sirolimus- or everolimus-eluting stents. The patients returned for regular angiographic follow-up or presented with clinical relapse of ...
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      Mentions: Patras University Dimitrios Alexopoulos

    9. SU‐E‐I‐90: Fast and Robust Algorithm Towards Vessel Lumen and Stent Strut Detection in Optical Coherence Tomography

      Explore Linking to Scitation Content Cardiology
      SU‐E‐I‐90: Fast and Robust Algorithm Towards Vessel Lumen and Stent Strut Detection in Optical Coherence Tomography
      Purpose: Optical Coherence Tomography (OCT) is a catheter‐based imaging method that employs near‐infrared light to produce high‐resolution cross‐sectional intravascular images. We propose a new segmentation technique for automatic lumen area extraction and stent strut detection in intravascular OCT images for the purpose of quantitative analysis of neointimal hyperplasia (NIH). Methods: Two clinical dataset of frequency‐domainOCT scans of the human femoral artery were analyzed. First, a ...
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      Mentions: Patras University

    10. In the search of coronary calcium

      Explore International Journal of Cardiology Cardiology
      In the search of coronary calcium
      The recognition of coronary artery calcium (CAC) as an indicator of coronary artery disease for more than 30years has created a great interest in methods for its accurate assessment. In this review we present the imaging techniques capable of detecting CAC and discuss their current status in clinical practice. The first non-invasive CAC imaging method was chest radiography, although early recognized as insensitive. Fluoroscopy and digital fluoroscopy improved CAC detection ...
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      Mentions: Patras University Dimitrios Alexopoulos

    11. Automatic vessel lumen segmentation and stent strut detection in intravascular optical coherence tomography

      Explore Medical Physics Cardiology
      Automatic vessel lumen segmentation and stent strut detection in intravascular optical coherence tomography
      Purpose: Optical coherence tomography (OCT) is a catheter-based imaging method that employs near-infrared light to produce high-resolution cross-sectional intravascular images. The authors propose a segmentation technique for automatic lumen area extraction and stent strut detection in intravascular OCT images for the purpose of quantitative analysis of neointimal hyperplasia (NIH). Methods: A clinical dataset of frequency-domain OCT scans of the human femoral artery was analyzed. First, a segmentation method based on ...
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      Mentions: Patras University St. Jude Medical

    12. Mechanisms of Non-Fatal Stent-Related Myocardial Infarction Late Following Coronary Stenting With Drug-Eluting Stents and Bare Metal Stents – Insights From Optical Coherence Tomography –

      Explore jstage.jst.go.jp Cardiology
      Mechanisms of Non-Fatal Stent-Related Myocardial Infarction Late Following Coronary Stenting With Drug-Eluting Stents and Bare Metal Stents – Insights From Optical Coherence Tomography –
      ...hopoulou1), Eleni Mavronasiou1), Grigorios Tsigkas1), Konstantinos Toutouzas2) and Dimitrios Alexopoulos1) 1) Patras University Hospital 2) University of Athens Medical School Background: A prospective observational stud...
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      Mentions: University of Athens Konstantinos Toutouzas Patras University

    13. Quantification of Vascular Networks with the Aid of OCT in Order to Evaluate Re-Endothelialization after Peripheral Angioplasty

      Explore Linking to Scitation Content Cardiology
      Quantification of Vascular Networks with the Aid of OCT in Order to Evaluate Re-Endothelialization after Peripheral Angioplasty
      Purpose: In vivo dynamic visualization, recognition and quantification of vascular networks represent a very interesting methodological requirement of peripheral angioplasty. Optical coherence tomography (OCT) is a catheter‐based imaging method that employs near‐infrared light to produce high‐resolution intravascular images. The purpose of the present study is the inner‐outer lumen contours extraction as well as strut detection, so as to evaluate the re‐endothelialization degree in stented arteries ...
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      Mentions: Patras University

    14. Mechanism of a reproducible accordion phenomenon: insights by optical coherence tomography visualization

      Explore LWW Online Cardiology
      Mechanism of a reproducible accordion phenomenon: insights by optical coherence tomography visualization
      Pseudostenosis or ‘accordion phenomenon’ is a transient angiographic multifocal filling defect observed mostly during percutaneous coronary intervention, mainly in tortuous vessels. We describe a case of a reproducible accordion effect in the right coronary artery accompanied by only a mild clinical syndrome. Optical coherence tomography evaluation of this strange and fortunately completely reversible phenomenon is discussed.
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      Mentions: Patras University Dimitrios Alexopoulos
    17. 1-15 of 23 1 2 »
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  4. About Patras University

    Patras University

    University of Patras was founded in the city of Patras in 11th of November in 1964 as a self-administered academic institution under the supervision of the Greek Government. It was established primarily with the intention to concentrate on science, technology, economics, business administration and social sciences.  Also see Patras University Hospital and Medical School.

     

  5. Related Topics

    1. Intimal hyperplasia by optical coherence tomography after BMS and DES implantation in the same artery
      15 articles also mentioned Dimitrios Alexopoulos
    2. Intracoronary Optical Coherence Tomography for the Assessment of In-Stent Restenosis
      4 articles also mentioned St. Jude Medical
    3. Mechanisms of Non-Fatal Stent-Related Myocardial Infarction Late Following Coronary Stenting With Drug-Eluting Stents and Bare Metal Stents – Insights From Optical Coherence Tomography –
      2 articles also mentioned Lightlab C7 XR OCT Imaging System
    4. Morphological Characteristics of Culprit Atheromatic Plaque Are Associated With Coronary Flow After Thrombolytic Therapy
      2 articles also mentioned Konstantinos Toutouzas
    5. Coronary Stent Fracture: How Frequent It Is?
      1 articles also mentioned Cordis
    6. Culprit plaque morphology in STEMI – an optical coherence tomography study: insights from the TOTAL-OCT substudy
      1 articles also mentioned Tampere University of Technology