1. Tampere University of Technology

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    1. Mentioned In 11 Articles

    2. Comparison of visual assessment and computer image analysis of intracoronary thrombus type by optical coherence tomography

      Comparison of visual assessment and computer image analysis of intracoronary thrombus type by optical coherence tomography
      Background Analysis of intracoronary thrombus type by optical coherence tomography (OCT) imaging is highly subjective. We aimed to compare a newly developed image analysis method to subjective visual classification of thrombus type identified by OCT. Methods Thirty patients with acute ST elevation myocardial infarction were included. Thrombus type visually classified by two independent readers was compared with analysis using QCU-CMS software. Results Repeatability of the computer-based measurements was good. By ...
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    3. Ghost optical coherence tomography

      Ghost optical coherence tomography
      We demonstrate experimentally ghost optical coherence tomography using a broadband incoherent supercontinuum light source with shot-to-shot random spectral fluctuations. The technique is based on ghost imaging in the spectral domain where the object is the spectral interference pattern generated from an optical coherence tomography interferometer in which a physical sample is placed. The image of the sample is obtained from the Fourier transform of the correlation between the spectrally-resolved intensity ...
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    4. Rational and Design of the European Randomized Optical Coherence Tomography Optimized Bifurcation Event Reduction Trial (OCTOBER)

      Rational and Design of the European Randomized Optical Coherence Tomography Optimized Bifurcation Event Reduction Trial (OCTOBER)
      Background Percutaneous coronary intervention (PCI) in complex bifurcation lesions is prone to suboptimal implantation results and is associated with increased risk of subsequent clinical events. Angiographic ambiguity is high during bifurcation stenting but it is unknown if procedural guidance by intravascular optical coherence tomography (OCT) improves clinical outcome. Methods and design OCTOBER is a randomized, investigator initiated, multi-center trial aimed to show superiority of OCT guided stent implantation compared to ...
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    5. Culprit plaque morphology in STEMI – an optical coherence tomography study: insights from the TOTAL-OCT substudy

      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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    6. Experimental Demonstration of Spectral Intensity Optical Coherence Tomography

      Experimental Demonstration of Spectral Intensity Optical Coherence Tomography
      We demonstrate experimentally spectral-domain intensity optical coherence tomography using a Mach-Zehnder interferometer with balanced detection. We show that the technique allows for a point spread function with reduced full-width at half maximum compared to conventional optical coherence tomography. The method further provides benefits similar to those of chirped-pulse interferometry in terms of dispersion cancellation but only requires a broadband incoherent source and standard detectors. The measurements are in excellent agreement ...
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    7. Experimental Demonstration of Spectral Intensity Optical Coherence Tomography

      Experimental Demonstration of Spectral Intensity Optical Coherence Tomography
      We demonstrate experimentally quantum-inspired, spectral-domain intensity optical coherence tomography. We show that the technique allows for both axial resolution improvement and dispersion cancellation compared to conventional optical coherence tomography. The method does not involve scanning and it works with classical light sources and standard photodetectors. The measurements are in excellent agreement with the theoretical predictions. We also propose an approach that enables the elimination of potential artifacts arising from multiple ...
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    8. Feasibility and repeatability of optical coherence tomography measurements of pre-stent thrombus burden in patients with STEMI treated with primary PCI

      Feasibility and repeatability of optical coherence tomography measurements of pre-stent thrombus burden in patients with STEMI treated with primary PCI
      ...1, 7. Sanjit S. Jolly4 and 8. Tej Sheth4 for the TOTAL-OCT Substudy Investigators† 1. ^1Heart Hospital, Tampere University Hospital and School of Medicine, University of Tampere, PO Box 2000, Teiskontie 35, Tampere...
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  2. About Tampere University of Technology

    Tampere University of Technology

    Tampere University of Technology (TUT) conducts scientific research in technology and architecture and provides the highest education within these fields. The University operates in close collaboration with business life and other facets of society and produces high-standard services within its range of tasks. TUT is Finland’s most international university when evaluated according to the number of visiting researchers.   The Optoelectronics Research Center (ORC) is a subsidiary unit operating under the Council of Tampere University of Technology (TUT) since 1999. ORC's research portfolio is estimated to be about EUR 5 million in 2007 of collaborative R & D grants and contracts. ORC houses 65 workers (April 2007). Investments in scientific equipment amount to about EUR 17 million, which make ORC one of the best equipped academic research units in Finland and the largest university-based research centre in Europe in the molecular beamepitaxy (MBE) crystal growth technique with 6 commercial MBE reactors and complete optolectronic device processing and characterization facilities.