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Recent Trends in Artificial Intelligence-Assisted Coronary Atherosclerotic Plaque Characterization

Anjan Gudigar, Sneha Nayak, Jyothi Samanth, U Raghavendra, Ashwal A J, Prabal Datta Barua, Md Nazmul Hasan, Edward J. Ciaccio, Ru-San Tan, U. Rajendra Acharya
2021 International Journal of Environmental Research and Public Health  
computer aided diagnosis (CAD) to detect and classify atherosclerotic plaques, including their composition and the presence of high-risk features denoting vulnerable plaques.  ...  We performed parallel searches of the medical and technical literature from 1995 to 2021 focusing respectively on human plaque characterization using various imaging modalities and the use of AI-assisted  ...  Acknowledgments: The authors would like to thank the Manipal Academy of Higher Education (MAHE) for providing the required facility to carry out this research.  ... 
doi:10.3390/ijerph181910003 pmid:34639303 fatcat:eo6xdqukbfhwzkhydkfrmxohkq

Dual- and multi-energy CT: approach to functional imaging

Juergen Fornaro, Sebastian Leschka, Dennis Hibbeln, Anthony Butler, Nigel Anderson, Gregor Pache, Hans Scheffel, Simon Wildermuth, Hatem Alkadhi, Paul Stolzmann
2011 Insights into Imaging  
narrow energy bands; the latter allows the detection of element-specific, k-edge discontinuities of the photo-electric cross section.  ...  Dual-energy CT uses two X-ray spectra enabling material differentiation by analysing material-dependent photo-electric and Compton effects.  ...  Introduction Multi-energy computed tomography (CT) refers to the use of spectral data allowing differentiation and classification of tissues to obtain material-specific images [1] .  ... 
doi:10.1007/s13244-010-0057-0 pmid:22347944 pmcid:PMC3259372 fatcat:linrbrtofncxngahq3mz47a5ji

Near-Infrared Spectroscopy (NIRS): A Novel Tool for Intravascular Coronary Imaging [chapter]

Marie-Jeanne Bertrand, Philippe Lavoie-L'Allier, Jean-Claude Tardif
2017 Developments in Near-Infrared Spectroscopy  
enables the detection of lipid core and specific quantification of lipid accumulation measured as the lipid-core burden index (LCBI) in patients undergoing coronary angiography.  ...  NIRS is a promising tool for the detection of vulnerable plaques in CAD patients, PCI-guidance procedures, and assessment of lipid-lowering therapies.  ...  but not in calcified plaques.  ... 
doi:10.5772/67196 fatcat:loxa2yj4hnfzpjvrd26gh3cihi

Molecular Imaging of Inflammation in Atherosclerosis

Moritz Wildgruber, Filip K. Swirski, Alma Zernecke
2013 Theranostics  
Similarly, novel imaging technologies specifically detect effects of therapies that aim to stabilize vulnerable plaques and silence vascular inflammation.  ...  Imaging technologies used in the clinic offer minimal information about the underlying biology and potential risk for rupture.  ...  the acquired spectra enables to image at much higher frame rates of >100 frames/s.  ... 
doi:10.7150/thno.5771 pmid:24312156 pmcid:PMC3841337 fatcat:nc2cxzgrinbrxptn7oxitiqmu4

Athletic injuries of the extensor carpi ulnaris subsheath: MRI findings and utility of gadolinium-enhanced fat-saturated T1-weighted sequences with wrist pronation and supination

Jeremy Jeantroux, Fabio Becce, Henri Guerini, Bernard Montalvan, Dominique Le Viet, Jean-Luc Drapé
2010 European Radiology  
Plaques were mainly detected in the proximal segments of LAD. More calcified and less non-calcified plaques were observed.  ...  B-238 11:33 Computer-aided detection of coronary artery stenosis at computed tomography angiography: effect on performance of readers with different experience levels E.M. Arnoldi 1 , U.  ...  Shen; Hangzhou/CN (lakewest@gmail.com) Purpose: To assess radiation dose reduction and image quality for abdominal computed tomography (CT) examination with iterative reconstruction in image space (IRIS  ... 
doi:10.1007/s00330-010-1887-3 pmid:20680292 fatcat:c73xl4gmnjbp5hahuek6dg2pcu

B - Scientific Sessions

2010 Insights into Imaging  
Purpose: To evaluate perfusion differences between oedemic and necrotic pancreatic tissue in patients with initial stage of acute pancreatitis using 320-slice dynamic volume CT.  ...  Conclusion: Perfusion imaging of the whole pancreas allows for discrimination between changes in pancreatic oedema and necrosis in early phase of severe acute pancreatitis.  ...  In addition, non-calcified plaque volume was quantified using a threshold-based automated algorithm.  ... 
doi:10.1007/s13244-010-0011-1 pmid:23099631 pmcid:PMC3534347 fatcat:yfnq3lgteja2lfjl66ivdfnoum

Polarization Sensitive Optical Coherence Tomography: A Review of Technology and Applications

Bernhard Baumann
2017 Applied Sciences  
Polarization sensitive optical coherence tomography (PS-OCT) is an imaging technique based on light scattering.  ...  In this article, the basic methodological principles, the state of the art of PS-OCT technologies, and important applications of the technique are reviewed in a concise yet comprehensive way.  ...  Computational methods were devised for removing polarization artifacts in order to produce clearer PS-OCT images [21, [27] [28] [29] 57, 116, 117] .  ... 
doi:10.3390/app7050474 fatcat:du2wqsky2vakramokvrgef26ju

ECR 2011 Book of Abstracts - B - Scientific Sessions

2011 Insights into Imaging  
using Wilcoxon test.  ...  Conclusion: Bolus-chase MR imaging produces higher HCC nodule conspicuity during arterial phase than CT.  ...  in order to detect any suspicion/occurrence of NSF.  ... 
doi:10.1007/s13244-011-0077-4 pmid:23100071 pmcid:PMC3533624 fatcat:lytbu2vohbhhnorjqlpogl77iu

A combined local and global motion estimation and compensation method for cardiac CT

Qiulin Tang, Beshan Chiang, Akinola Akinyemi, Alexander Zamyatin, Bibo Shi, Satoru Nakanishi, Bruce R. Whiting, Christoph Hoeschen
2014 Medical Imaging 2014: Physics of Medical Imaging  
Promising results are demonstrated for detection of MCC and of masses in mammographic images, detection of stenoses in angiography images, and detection of lesions in brain MRI.  ...  The approach is validated on a comprehensive set of Computed Tomography Angiography (CTA) images by means of Receiver Operating Characteristic (ROC) analysis.  ...  2 cm) in tens of minutes yielding images containing millions of spectra. Spectra are then automatically classified as one of seven cell-types in prostate tissue in a matter of seconds.  ... 
doi:10.1117/12.2043492 fatcat:fyzpc5m6jbh7fjohqpdmtzkhte

A - Postgraduate Educational Programme

2010 Insights into Imaging  
In general, both multidetector row computed tomography (MDCT) and MR-imaging (MRI) may be used for detection and staging of gastroesophageal cancer.  ...  DSA is associated with a higher complication rate and higher costs as compared with less invasive imaging techniques such as duplex ultrasound (DUS), computed tomographic angiography (CTA) and magnetic  ...  Imaging plays an important role in identifying the underlying cause. Ultrasound (US) and computed tomography (CT) are readily available and widely used imaging techniques for this work up.  ... 
doi:10.1007/s13244-010-0010-2 pmid:23099630 pmcid:PMC3534349 fatcat:5fiszmj5unftrhizcn3encksgy

Postgraduate Educational Programme

2009 European Radiology  
In general, both multidetector row computed tomography (MDCT) and MR-imaging (MRI) may be used for detection and staging of gastroesophageal cancer.  ...  DSA is associated with a higher complication rate and higher costs as compared with less invasive imaging techniques such as duplex ultrasound (DUS), computed tomographic angiography (CTA) and magnetic  ...  Imaging plays an important role in identifying the underlying cause. Ultrasound (US) and computed tomography (CT) are readily available and widely used imaging techniques for this work up.  ... 
doi:10.1007/s00330-009-1374-x pmid:19288110 fatcat:blzt6eohybeqjngnpyzlw7un6a

Postgraduate Educational Programme

2008 European Radiology Supplements  
In general, both multidetector row computed tomography (MDCT) and MR-imaging (MRI) may be used for detection and staging of gastroesophageal cancer.  ...  DSA is associated with a higher complication rate and higher costs as compared with less invasive imaging techniques such as duplex ultrasound (DUS), computed tomographic angiography (CTA) and magnetic  ...  Imaging plays an important role in identifying the underlying cause. Ultrasound (US) and computed tomography (CT) are readily available and widely used imaging techniques for this work up.  ... 
doi:10.1007/s10406-008-0001-2 fatcat:gzbh2ky3enhabmfr7tz42qqqwi

A postgraduate educational programme

2002 European Radiology  
In general, both multidetector row computed tomography (MDCT) and MR-imaging (MRI) may be used for detection and staging of gastroesophageal cancer.  ...  DSA is associated with a higher complication rate and higher costs as compared with less invasive imaging techniques such as duplex ultrasound (DUS), computed tomographic angiography (CTA) and magnetic  ...  Imaging plays an important role in identifying the underlying cause. Ultrasound (US) and computed tomography (CT) are readily available and widely used imaging techniques for this work up.  ... 
doi:10.1007/s00330-002-0001-x fatcat:swpi4r6hzrgozpfxwqgz55bmvi

ACCIS2001 angiography & interventional cardiology

2000 Journal of the American College of Cardiology  
Quantitative angiography was performed using an automated edge detection technique or electronic calipers.  ...  This high resolution imaging technique may be used in the future for early detection of vulnerable plaques.  ...  Plaque and NI volume were calculated using Simpson's method.  ... 
doi:10.1016/s0735-1097(00)80001-7 fatcat:qyjopb6vazgezgcxjeeeqrbzwq

Posters

2013 Clinical and translational imaging  
Single-photon emission computed tomography (SPECT) is a functional imaging technique that can provide additional and useful information during the diagnostic work-up and follow-up of brain lesions.  ...  The usefulness of 18 F-FDG PET/CT in this setting has been already evaluated, the technique showing a satisfactory level of sensitivity and specificity.  ...  The diffusion of computed tomography (CT), a method characterized by a higher resolution capacity than the X-ray, has led to an increase in the frequency of detection of these nodules.  ... 
doi:10.1007/s40336-013-0002-6 fatcat:jfrptu6wuvhjvfss4iobwqfk2q
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