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Hybrid imaging with coronary tomography and 3D speckle-tracking stress echocardiography fusion

E. Casas Rojo, C. Fernández-Golfín, J. Zamorano
2013 European Heart Journal-Cardiovascular Imaging  
Pathology of drug-eluting stents in humans: delayed healing and late thrombotic risk. J Am Coll Cardiol 2006;48:193 -202.  ...  Sixmonth clinical and angiographic results of the STENTYS(R) self-apposing stent in bifurcation lesions. EuroIntervention 2011;7:580-7. 28.  ...  Hybrid imaging with coronary tomography and 3D speckle-tracking stress echocardiography fusion E. Casas Rojo*, C. Fernández-Golfín, and J.  ... 
doi:10.1093/ehjci/jet236 pmid:24204034 fatcat:yv5hqd53nvfrvkop5rbguaw6gi

On the feasibility of speckle reduction in echocardiography using strain compounding

Yuexin Guo, Wei-Ning Lee
2014 2014 IEEE International Ultrasonics Symposium  
The in-plane motion of the temporally gated images was then estimated and used for image correction with respect to the reference frame.  ...  In this study, the efficacy of strain compounding in echocardiography was investigated.  ...  Strain compounding in echocardiography In our study, the in-plane motion on echocardiographic images was estimated by standard 2D speckle tracking [9] .  ... 
doi:10.1109/ultsym.2014.0325 fatcat:2u4tnota3zewfm7gnq6wvp4j34

Segmentation of 3D radio frequency echocardiography using a spatio-temporal predictor

P.C. Pearlman, H.D. Tagare, B.A. Lin, A.J. Sinusas, J.S. Duncan
2012 Medical Image Analysis  
Segmentation using the RF data overcomes challenges due to image inhomogeneities often amplified in B-mode segmentation and provides geometric constraints for RF phase-based speckle tracking.  ...  Our method incorporates a computationally efficient linear predictor that exploits short-term spatio-temporal coherence in the RF data.  ...  The authors also wish to thank Donald Dione, Christi Hawley, and Jennifer Hu for technical assistance with animal experiments. Finally, special thanks to the reviewers for their very helpful feedback.  ... 
doi:10.1016/ pmid:22078842 pmcid:PMC3267850 fatcat:jqw52y6qajdi7i3ne7sd6v7kwi

Speckle Tracking Echocardiography of the Right Atrium: The Neglected Chamber

Aitzaz Bin Sultan Rai, Eduardo Lima, Farrukh Munir, Anum Faisal Khan, Ahmed Waqas, Sara Bughio, Ehtesham ul Haq, Hassan Bin Attique, Zia Ur Rahman
2015 Clinical Cardiology  
Speckle tracking echocardiography tracks acoustic scatters (speckles) of myocardium frame-by-frame to calculate strain or deformation of the myocardium.  ...  Speckle tracking echocardiography is an ideal tool for the assessment of the RA because of its regional and global functional characterization, angle independence, and high temporal resolution.  ...  How Speckle Tracking Can Overcome These Challenges In STE, set of pixels of very small size is assigned a kernel value, and these kernels are manually drawn on the endocardial border to track the motion  ... 
doi:10.1002/clc.22438 pmid:26418622 fatcat:cftxcpwhcrafrm7jq7zqpfjci4

Principles of cardiovascular magnetic resonance feature tracking and echocardiographic speckle tracking for informed clinical use

Gianni Pedrizzetti, Piet Claus, Philip J. Kilner, Eike Nagel
2016 Journal of Cardiovascular Magnetic Resonance  
Here we describe the principles underlying the image tracking methods for CMR and echocardiography, and the translation of the resulting tracking estimates into parameters suited to describe myocardial  ...  Technical limitations are presented with the objective of suggesting potential solutions that may allow informed and appropriate use in clinical applications.  ...  Speckle tracking echocardiography: strengths and limitations Speckle tracking echocardiography (STE) was the first example of tissue tracking in cardiac imaging [20] [21] [22] .  ... 
doi:10.1186/s12968-016-0269-7 pmid:27561421 pmcid:PMC5000424 fatcat:imkacn6ntjc75k7c7pzzz5diay

Generation of ultra-realistic synthetic echocardiographic sequences to facilitate standardization of deformation imaging

M. Alessandrini, B. Heyde, S. Giffard-Roisin, H. Delingette, M. Sermesant, P. Allain, O. Bernard, M. De Craene, J. D'hooge
2015 2015 IEEE 12th International Symposium on Biomedical Imaging (ISBI)  
Despite the overwhelming availability of techniques for computation of cardiac deformation and strain with 2D echocardiography, their widespread dissemination in clinical practice is still held back by  ...  While the synthetic motion is fully controlled by a computational heart model, the visual appearance is extremely similar to a real ultrasound recording.  ...  Hereto, a variety of techniques (speckle tracking echocardiography, STE) is available for the quantification of cardiac deformation and strain by ultrasound (US).  ... 
doi:10.1109/isbi.2015.7163982 dblp:conf/isbi/AlessandriniHGD15 fatcat:xiydh5okgzakpapuojhd46mewq

Advanced Echocardiography in Adult Zebrafish Reveals Delayed Recovery of Heart Function after Myocardial Cryoinjury

Selina J. Hein, Lorenz H. Lehmann, Mandy Kossack, Lonny Juergensen, Dieter Fuchs, Hugo A. Katus, David Hassel, Enzo Porrello
2015 PLoS ONE  
We here present a standardized examination protocol to broadly assess cardiac performance in adult zebrafish by advancing conventional echocardiography with modern speckle-tracking analyses.  ...  This allows accurate detection of changes in cardiac performance and further enables highly sensitive assessment of regional myocardial motion and deformation in high spatio-temporal resolution.  ...  Susanne Serba from the IBF (Interfakultäre Biomedizinische Forschungseinrichtung) of the University of Heidelberg and Ziba Behzadi and Reinhard Nehls for their excellent assistance in animal care and handling  ... 
doi:10.1371/journal.pone.0122665 pmid:25853735 pmcid:PMC4390243 fatcat:7rsr3hmr2jar3jvxlbbgdvm45e

Role of Speckle Tracking Echocardiography in Dilated Cardiomyopathy: A Review

Ghulam Murtaza, Hafeez Ul Hasan Virk, Muhammad Khalid, Zia Rahman, Puja Sitwala, Jeffrey Schoondyke, Kais Al-Balbissi
2017 Cureus  
Although transthoracic echocardiography is used as the diagnostic test of choice in these patients, new modalities like speckle tracking echocardiography (STE) have promising results in diagnosing these  ...  In this review article, we will discuss the basics of STE and its role in diagnosing DCM.  ...  strain by speckled tracking echocardiography A) The graph represents strain rate (%) over time (in seconds) in a healthy individual.  ... 
doi:10.7759/cureus.1372 pmid:28744419 pmcid:PMC5519311 fatcat:nrfc2oqqunf6bdqal2otfqtkiu

Motion Estimation in 3D Echocardiography Using Smooth Field Registration [chapter]

Oudom Somphone, Cécile Dufour, Benoît Mory, Loïc Hilpert, Sherif Makram-Ebeid, Nicolas Villain, Mathieu De Craene, Pascal Allain, Eric Saloux
2013 Lecture Notes in Computer Science  
This paper describes an algorithm for motion and deformation quantification of 3D cardiac ultrasound sequences.  ...  We apply our algorithm to datasets with reliable ground truth: a set of synthetic sequences with known trajectories and a set of sequences of a mechanical phantom implanted with microsonometry crystals  ...  disadvantage of providing strain information in a single plane, is therefore limited by out of plane motion, disturbing the tracking of speckle over time. 3D speckle tracking therefore has the potential  ... 
doi:10.1007/978-3-642-36961-2_18 fatcat:swji2od6dra7tnfsz7s5f7kwma

Segmentation Methods of Echocardiography Images for Left Ventricle Boundary Detection

Samaneh Mazaheri, Puteri Suhaiza Binti Sulaiman, Rahmita Wirza, Mohd Zamrin Dimon, Fatima Khalid, Rohollah Moosavi Tayebi
2015 Journal of Computer Science  
and critically review recent approaches in terms of their performance and degree of clinical evaluation with respect to the final goal of cardiac functional analysis.  ...  Due to acoustic interferences and artifacts which are inherent in echocardiography images, automatic segmentation of anatomical structures in cardiac ultrasound images is a real challenge.  ...  Cardiologists also use a movie of a heart in decisionmaking as the speckle pattern associated with de-forming tissue can be observed in a movie whereas in a still frame the speckle pattern is not always  ... 
doi:10.3844/jcssp.2015.957.970 fatcat:hivb6v4ydvdxbfp5rhd4wuljo4

Sparsity and Biomechanics Inspired Integration of Shape and Speckle Tracking for Cardiac Deformation Analysis [chapter]

Nripesh Parajuli, Colin B. Compas, Ben A. Lin, Smita Sampath, Matthew O'Donnell, Albert J. Sinusas, James S. Duncan
2015 Lecture Notes in Computer Science  
We propose a strategy of combining shape tracking and speckle tracking based displacements to calculate the dense deformation field of the myocardium.  ...  Finally, we motivate the necessity of temporal coherence in the dense fields and demonstrate a way of doing so.  ...  Matthew O'Donnell's lab developed the RF speckle tracking algorithms and code. Dr. Xiaojie Huang provided us the segmentation code. We would like to sincerely thank everyone for their contributions.  ... 
doi:10.1007/978-3-319-20309-6_7 pmid:27976753 pmcid:PMC5146991 fatcat:dh66ampjergy5oaapgphrksg4i

Radial Basis Functions for Combining Shape and Speckle Tracking in 4D Echocardiography

Colin B. Compas, Emily Y. Wong, Xiaojie Huang, Smita Sampath, Ben A. Lin, Prasanta Pal, Xenophon Papademetris, Karl Thiele, Donald P. Dione, Mitchel Stacy, Lawrence H. Staib, Albert J. Sinusas (+2 others)
2014 IEEE Transactions on Medical Imaging  
In this work, we develop an adaptive multilevel compactly supported radial basis approach for deformation analysis in 3D+time echocardiography.  ...  Our method combines displacement information from shape tracking of myocardial boundaries (derived from B-mode data) with mid-wall displacements from radiofrequency-based ultrasound speckle tracking.  ...  Huang for their help with RF speckle tracking as well as Z. Zhang, K. Purushothaman, X. Hu, C. Hawley, X. Wang, M. Maxfield, and Z. Zhuang for assistance with data acquisition.  ... 
doi:10.1109/tmi.2014.2308894 pmid:24893257 pmcid:PMC4283552 fatcat:bixtvchklvcofil2x67usicfyy

Association of electronic order set usage for heart failure and early post hospital outcomes

J. Howlett, A. Pattullo, J. Mandolesi, S. Aggarwal
2013 European Heart Journal  
In unadjusted analysis, use of the order set was associated with 1 less day length of stay and 7% lower 7 and 30 day readmission rates.  ...  The electronic order set was utilized in 705 cases and was associated with cardiology involvement as attending or consulting physician (41% vs. 29%, p, 0.001).  ...  Aortic wall motion analysis with speckle tracking was performed on the stored 3D raw data by a modified wall motion tracking algorithm with Advance Cardiac Package (Toshiba, UltraExtend). 3D speckle tracking  ... 
doi:10.1093/eurheartj/eht307.p244 fatcat:uao2fr62anfa5jcyre6rbgrs6i

3D Radio Frequency Ultrasound Cardiac Segmentation Using a Linear Predictor [chapter]

Paul C. Pearlman, Hemant D. Tagare, Albert J. Sinusas, James S. Duncan
2010 Lecture Notes in Computer Science  
RF phase-based speckle tracking.  ...  The method employs a computationally efficient two-frame linear predictor which exploits the spatio-temporal coherence of the data.  ...  Since the motion of blood is irregular, performing speckle tracking on the blood pool provides no meaningful information.  ... 
doi:10.1007/978-3-642-15705-9_61 fatcat:qhezratadfel3hzfwtjilx7dnu

A Spatial Near-Field Clutter Reduction Filter Preserving Tissue Speckle in Echocardiography

M. Sjoerdsma, S. Bouwmeester, P. Houthuizen, F. N. van de Vosse, R. G. P. Lopata
2020 IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control  
Several clutter filters have been developed, which are limited in patients with contraction motion and rhythm anomalies, and in threedimensional ultrasound.  ...  The performance of the filter was assessed in a volunteer study, in ten 3D apical and parasternal view acquisitions, and in a retrospective clinical study composed of twenty cardiac patients with different  ...  such as speckle tracking.  ... 
doi:10.1109/tuffc.2020.3028155 pmid:33001799 fatcat:44yf2lourvfopjj74ycgx75kxa
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