26 Hits in 13.4 sec

Automated Coronary Optical Coherence Tomography Feature Extraction with Application to Three-Dimensional Reconstruction

Harry J. Carpenter, Mergen H. Ghayesh, Anthony C. Zander, Jiawen Li, Giuseppe Di Giovanni, Peter J. Psaltis
2022 Tomography  
Coronary optical coherence tomography (OCT) is an intravascular, near-infrared light-based imaging modality capable of reaching axial resolutions of 10–20 µm.  ...  This systematic review summarizes advances in automated segmentation techniques from the past five years (2016–2021) with a focus on their application to the 3D reconstruction of vessels and their subsequent  ...  Other approaches to difficult lumen geometries include random walks based on edge weights and optical backscattering and graph-cut segmentation [69, 70] .  ... 
doi:10.3390/tomography8030108 pmid:35645394 pmcid:PMC9149962 fatcat:z6gya3j7pjh4lecldcjevopjzu

Subject Index

2006 Journal of the American College of Cardiology  
of the vulnerable plaque, C13 Plaque characterization with optical coherence tomography, C69 Promise of quantitative computed tomography coronary angiography and noninvasive segmental coronary plaque  ...  coronary syndrome using integrated backscatter intravascular ultrasound, 734 Atherosclerotic plaque characterization by multidetector row computed tomography angiography, C40 Cellular immunostaining of  ...  segmental coronary plaque quantification (editorial), 678 Race Impact of hospital volume on racial disparities in cardiovascular procedure mortality, 417 Prevalence of the metabolic syndrome and its relation  ... 
doi:10.1016/s0735-1097(06)01370-2 fatcat:gqk453lygbegnhvha4t54aqxey

Circulation: Cardiovascular Imaging Editors' Picks: Most Important Articles in Cardiovascular Imaging Science, Part II

2013 Circulation Cardiovascular Imaging  
QRS width, have been validated in largescale randomized studies.  ...  The authors evaluated regional myocardial ischemia in a head-to-head comparison using qualitative and quantitative analysis.  ...  Optical coherence tomography, a high-resolution intravascular imaging modality, can serve as a useful adjunct to visualize microscopic structures of the coronary artery.  ... 
doi:10.1161/circimaging.113.001335 fatcat:3fzx5xkdozdd7oglhqe56crbfe

Subject Index

2006 Journal of the American College of Cardiology  
Growth Detection Following Stent Implantation Using Optical Coherence Tomography and Intravascular Ultrasound and Histology##910- 181·293A Echo-attenuation in the Target Lesion Before Perutaneous  ...  Detection Following Stent Implantation Using Optical Coherence Tomography and Intravascular Ultrasound and Histology##910- 181·293A Early Results of a Nurse-Based Outpatient Telemedicine Project for  ... 
doi:10.1016/j.jacc.2006.01.022 fatcat:m2xn6lzndrczvc44e5yruuzyce

Subject index

2007 Journal of the American College of Cardiology  
Characteristics and Not to the Presence of Systemic Cardiovascular Risk Factors: An Intravascular Optical Coherence Tomography Study##1026-6·400A Flushing Experience and Discontinuation With Niacin  ...  Is Related to Individual Plaque Characteristics and Not to the Presence of Systemic Cardiovascular Risk Factors: An Intravascular Optical Coherence Tomography Study##1026-6·400A First Experience With  ... 
doi:10.1016/j.jacc.2007.01.047 fatcat:w6ingwinqrckdghdkhndushcfq

A Review of JACC Journal Articles on the Topic of Interventional Cardiology: 2011–2012

2013 Journal of the American College of Cardiology  
(Early Glycoprotein IIb/IIIa Inhibition in Non-ST-Segment Elevation Acute Coronary Syndrome) study and the SYNERGY (Superior Yield of the New strategy of Enoxaparin, Revascularization and GlYcoprotein  ...  In addition, these compilations should put in perspective the recent advancements and future directions in the important disciplines of cardiovascular medicine. e248 Methods Patients from the EARLY-ACS  ...  on coronary plaque composition and morphology by optical coherence tomography (OCT), grayscale and integrated backscatter (IB) intravascular ultrasound (IVUS) imaging.  ... 
doi:10.1016/j.jacc.2013.09.004 fatcat:jysqnvm36ba5zeym6vg56ipcu4

A Review of JACC Journal Articles on the Topic of Cardiac Imaging: 2011–2012

2013 Journal of the American College of Cardiology  
stents (DES) using optical coherence tomography (OCT).  ...  Consensus Standards for Acquisition, Measurement, and Reporting of Intravascular Optical Coherence Tomography Studies: A Report From the International Working Group for Intravascular Optical Coherence  ... 
doi:10.1016/j.jacc.2013.08.002 fatcat:rr77fpox5vgb7jcgervp4orbja

Effect of Homocysteine-Lowering B Vitamin Treatment on Angiographic Progression of Coronary Artery Disease: A Western Norway B Vitamin Intervention Trial (WENBIT) Substudy

Kjetil H. Løland, Øyvind Bleie, Are J. Blix, Elin Strand, Per M. Ueland, Helga Refsum, Marta Ebbing, Jan E. Nordrehaug, Ottar Nygård
2010 American Journal of Cardiology  
was subjected to -however, as I walked out of his office, slightly dazed, I knew that I had found an energetic, intelligent and genuinely curious supervisor.  ...  IVUS data and VH analyses was provided by Volcano Corp. and the global IVUS registry. 4 ACKNOWLEDGEMENT I first met my main supervisor, professor Ottar Nygård, in December 2005 when I was looking for a  ...  For the visualization of these aspects of CAD, IVUS and optical coherence tomography (OCT) are much more suited.  ... 
doi:10.1016/j.amjcard.2010.01.019 pmid:20494665 fatcat:e4pajpjatrhw3b7vntbawghiiq

Full Issue PDF

2020 JACC Cardiovascular Imaging  
therapy and clinical outcome in immediate or chronic heart failure with reduced ejection fraction (HFrEF).  ...  Changes in LA mechanics correlated with changes in wedge pressure (r ¼ -0.61; p < 0.001).  ...  The authors are solely responsible for the design and conduct of this study; all study analyses; and the drafting and editing of the paper and its final contents.  ... 
doi:10.1016/s1936-878x(20)30301-6 fatcat:w765zpyw4neohdsuytjzyy4gtm

A design methodology for 2D sparse NDE arrays using an efficient implementation of refracted-ray TFM

Jerzy Dziewierz, Timothy Lardner, Anthony Gachagan
2013 2013 IEEE International Ultrasonics Symposium (IUS)  
These changes in collagen microstructure were produced using both ultrasound standing wave fields and traveling wave fields.  ...  Recent advances in the field of tissue engineering include the engineering of skin, cartilage, and bladder, all of which are relatively thin tissues that can rely on diffusion for the delivery of oxygen  ...  The authors acknowledge the ANR and DGA for their support under the project Metactif, grant ANR-11-ASTR-015.  ... 
doi:10.1109/ultsym.2013.0035 fatcat:th5znfh7y5bklfdbmhb4u6iq2i

Tuesday, 1 September 2009

2009 European Heart Journal  
Additional analyses assessed the effects on vascular and cancer outcomes in sub-groups defined by age, sex, population level of fortification and pre-treatment levels of folate and homocysteine and duration  ...  The B-Vitamin Treatment Trialists' Collaboration was set up to combine data from all randomized trials assessing the effects of lowering homocysteine levels with B-vitamins on risk of vascular and non-vascular  ...  The incidence of IE remains high and the prognosis dismal in dialysis patients, although patients selected for early valve surgery have good 1 year survival.  ... 
doi:10.1093/eurheartj/ehp415 fatcat:4jdsa3a2inbg5j3qwou5aglfcy

Tuesday, 2 September 2008

2008 European Heart Journal  
ANP mRNA expression (Realtime-PCR) in the left ventricle was elevated in ALD (2,5 fold±0,4), SPI (1,5 fold±0,5) and ALD+SPI (2,7 fold±0,7) in comparison to CON.  ...  Purpose: Treatment of patients suffering from heart failure with aldosterone antagonists results in a significant decrease in mortality caused by sudden cardiac death (RALES and EPHESUS trials).  ...  VULNERABLE PLAQUE P3610 Healing process of fibrous-cap of coronary plaques in acute coronary syndrome assessed by optical coherence tomography S. Takarada, T. Kubo, T. Tanimoto, H. Kitabata, K.  ... 
doi:10.1093/eurheartj/ehn376 fatcat:5oi26ssgrfc3rltuzxoqagaxf4

Vascular Disease, Hypertension and Prevention

2006 Journal of the American College of Cardiology  
Urinary thromboxane levels are not specific in determining platelet aspirin resistance and may result from non-platelet sources (COX-2). monitored JACC Background: Recently, optical coherence tomography  ...  The model was used as the basis for a dose initialization and adjustment algorithm.  ...  1023-160 Prevalence and Platelet Function Profiles of Clopidogrel Hypo-responders Identified Following Drug Withdrawal  ... 
doi:10.1016/j.jacc.2006.01.018 fatcat:wh4gbixjqrh5nag7t5aubveihy

Grafting acoustic instruments and signal processing: Creative control and augmented expressivity

Dan Overholt
2013 Journal of the Acoustical Society of America  
In the spirit of the text Concert Halls and Opera Houses by L.  ...  In addition, various measurement techniques for this type of space are explored and reported. 9:15 1aAA2. The effect of two different rooms on acoustical and perceptual measures of mixed choir sound.  ...  This makes it possible to measure an arbitrary sound field using acousto-optic tomography via scanning the field with a laser Doppler vibrometer.  ... 
doi:10.1121/1.4830794 fatcat:2sexsmbypjcozjctnorzoiy7te

Thyroid texture classification using machine learning in conjunction with autoregressive modeling and deep learning : [kumulative Dissertation] [article]

Prabal Poudel, Universitäts- Und Landesbibliothek Sachsen-Anhalt, Martin-Luther Universität, Michael Kreißl, Miguel Coimbra
Active Contours Without Edges (ACWE), Graph Cut (GC) and Pixel Based Classifier (PBC) were used for thyroid segmentation in 2D US images.  ...  The goal of this thesis was to segment a thyroid region in 2D thyroid US images by characterizing the thyroid and non-thyroid textures using several image and signal based texture classification approaches  ...  Acknowledgments We would like to thank General Electrics, USA, for providing us with the LogiqE9 We would like to thank General Electric, USA for providing us with the LogiqE9 US equipment and special  ... 
doi:10.25673/34337 fatcat:phiplmldwbempl5cljr22s72p4
« Previous Showing results 1 — 15 out of 26 results