Filters








195 Hits in 6.9 sec

Advances in echocardiography: global longitudinal strain, intra-cardiac multidirectional flow imaging and automated 3d volume analysis

Oben Baysan, Ezgi Ocaklı, Yasemin Saglam, Tugba Altuner
2018 Heart Vessels and Transplantation  
The future will bring new and sophisticated tools for echocardiographic analysis such intracardiac flow imaging and an automated 3D volume calculation.  ...  Echocardiography has the long development history beginning with amplitude imaging.  ...  of color-Doppler-based vector flow mapping (VFM) and particle image velocimetry with contrast use (Echo-PIV) (32, 34) Echo-PIV Color Doppler VFM Signal Source Tracking of contrast microbubbles  ... 
doi:10.24969/hvt.2018.83 fatcat:pcseg6ygkfdtpd65htafpbo6f4

Current and Evolving Echocardiographic Techniques for the Quantitative Evaluation of Cardiac Mechanics: ASE/EAE Consensus Statement on Methodology and Indications Endorsed by the Japanese Society of Echocardiography

V. Mor-Avi, R. M. Lang, L. P. Badano, M. Belohlavek, N. M. Cardim, G. Derumeaux, M. Galderisi, T. Marwick, S. F. Nagueh, P. P. Sengupta, R. Sicari, O. A. Smiseth (+6 others)
2011 European Journal of Echocardiography  
An advantage of color Doppler processing over pulsed-wave Doppler is that with postprocessing, the sample volume can be adjusted to track the motion of the myocardium, thus staying in the same region throughout  ...  Color Doppler Measurements of Myocardial Function: Because Doppler imaging generates velocity information, velocity, v, at any location and any time can be obtained directly from the color Doppler data  ... 
doi:10.1093/ejechocard/jer021 pmid:21385887 fatcat:dczf7sw6mbajdcsjtjv637ruea

Current and Evolving Echocardiographic Techniques for the Quantitative Evaluation of Cardiac Mechanics: ASE/EAE Consensus Statement on Methodology and Indications

Victor Mor-Avi, Roberto M. Lang, Luigi P. Badano, Marek Belohlavek, Nuno Miguel Cardim, Geneviève Derumeaux, Maurizio Galderisi, Thomas Marwick, Sherif F. Nagueh, Partho P Sengupta, Rosa Sicari, Otto A. Smiseth (+6 others)
2011 Journal of the American Society of Echocardiography  
An advantage of color Doppler processing over pulsed-wave Doppler is that with postprocessing, the sample volume can be adjusted to track the motion of the myocardium, thus staying in the same region throughout  ...  Color Doppler Measurements of Myocardial Function: Because Doppler imaging generates velocity information, velocity, v, at any location and any time can be obtained directly from the color Doppler data  ... 
doi:10.1016/j.echo.2011.01.015 pmid:21338865 fatcat:7nxikumc2ja25i4dqx2nreyooq

Update on non-invasive imaging for congenital heart disease: an additional dimension

Wyman Lai, Anjali Chelliah, Justin Weigand
2014 Reports in Medical Imaging  
imaging modalities.  ...  In the past three decades, technical advances in cardiovascular imaging have created a better balance in the requisite trade-off between spatial versus temporal resolution that is inherent to all dynamic  ...  This makes MVA quantification and 3D color flow Doppler assessment more difficult.  ... 
doi:10.2147/rmi.s45314 fatcat:5jgsp3qlb5dtvdeysf7hgibuwy

Changes in left ventricular and atrial mechanics and function after dialysis in patients with end-stage renal disease

Xiaoyan Wang, Jian Hong, Tao Zhang, Di Xu
2021 Quantitative Imaging in Medicine and Surgery  
Echocardiographic parameters, including LV and LA volumes, flow Doppler, pulsed tissue Doppler, and speckle tracking echocardiography (STE) before and after HD (within 24 h), were examined, and the values  ...  =0.004) decreased significantly after HD, while LA minimal volume, the volume at the onset of atrial systole, and LA active emptying fraction after HD were not significantly different.  ...  Funding: The present study was supported by the National Natural Science Foundation of China (Grant No. 81871359) and by the Natural Science Foundation of Jiangsu Province (No. BK20191496).  ... 
doi:10.21037/qims-20-961 pmid:33936973 pmcid:PMC8047354 fatcat:x3564xlqyfe4tmgipfnrry2xme

Emerging Trends in CV Flow Visualization

Partho P. Sengupta, Gianni Pedrizzetti, Philip J. Kilner, Arash Kheradvar, Tino Ebbers, Giovanni Tonti, Alan G. Fraser, Jagat Narula
2012 JACC Cardiovascular Imaging  
The data presented, analyzed, and developed at the meeting were compiled as the consensus document.  ...  Acknowledgments This paper was developed after the international meeting on cardiovascular fluid mechanics theory and investigative techniques held at University of Cagliari, Sardinia, Italy, June 27 to  ...  on the color Doppler images.  ... 
doi:10.1016/j.jcmg.2012.01.003 pmid:22421178 fatcat:b27524ql4nes3oor75jiqsmqai

Changes in left atrial deformation in hypertrophic cardiomyopathy: Evaluation by vector velocity imaging

Hala Mahfouz Badran, Ghada Soltan, Hesham Hassan, Ahmed Nazmy, Naglaa Faheem, Haythem Saadan, Magdi H. Yacoub
2012 Global Cardiology Science & Practice  
Conclusion: Left atrial reservoir and conduit function as measured by VVI were significantly impaired while contractile function was preserved among HCM patients.  ...  The LA subendocardium was traced to obtain atrial volumes, ejection fraction, velocities, and strain (e)/strain rate (SR) measurements.  ...  Acknowledgements We greatly appreciate the assistance of: Sarah Moharem Elgamal, M.sc, Assistant specialist (National heart institute), Heba Kassem, MD, PhD, (Assistant professor, Pathology and medical  ... 
doi:10.5339/gcsp.2012.25 pmid:24688992 pmcid:PMC3963718 fatcat:qztv2g4bhrgbrkadcme7jmdfs4

Echocardiographic Features in Canine Myxomatous Mitral Valve Disease: An Animal Model for Human Mitral Valve Prolapse [chapter]

Sang-Il Suh, Ta-Li Lu, Ran Choi, Changbaig Hyun
2020 Echocardiography [Working Title]  
The ARJ/LAA ratio can be easily obtained with the color Doppler imaging (CDI) method and showed good repeatability and reproducibility in dogs [15, 16] .  ...  Furthermore, advanced ultrasound technologies such as tissue Doppler imaging (TDI), strain and strain rate imaging, and two-dimensional (2D) speckle tracking echocardiography (STE) provide a better assessment  ...  Acknowledgements The authors express great gratitude to Siemens Healthineers (Ms.  ... 
doi:10.5772/intechopen.91819 fatcat:h57ncjr7uzezxgaioiasy7xafi

Measuring the Interaction Between the Macro- and Micro-Vasculature

Rachel E. Climie, Antonio Gallo, Dean S. Picone, Nicole Di Lascio, Thomas T. van Sloten, Andrea Guala, Christopher C. Mayer, Bernhard Hametner, Rosa Maria Bruno
2019 Frontiers in Cardiovascular Medicine  
the two sites.  ...  In this review, we describe the clinical relevance of the pulsatile interaction between the macro- and microvasculature and summarize current methods for measuring the transmission of pulsatility between  ...  Motion-contrast imaging based on backscattered light from retinal tissue High-resolution cross-sectional imaging Arterial structure and anatomy, blood flow extracted from Doppler shift Contactless  ... 
doi:10.3389/fcvm.2019.00169 pmid:31824963 pmcid:PMC6882776 fatcat:f6u4vm33qvaydbsl54afb6edjy

Comprehensive 4D velocity mapping of the heart and great vessels by cardiovascular magnetic resonance

Michael Markl, Philip J Kilner, Tino Ebbers
2011 Journal of Cardiovascular Magnetic Resonance  
imaging and optimized pulse sequence design.  ...  Phase contrast cardiovascular magnetic resonance (CMR) is able to measure all three directional components of the velocities of blood flow relative to the three spatial dimensions and the time course of  ...  Alternatively, pathlines can be emitted from a 3D volume, allowing for the tracking of this volume of blood forward or backward in time.  ... 
doi:10.1186/1532-429x-13-7 pmid:21235751 pmcid:PMC3025879 fatcat:bbptidvlurfknazxrybrtuaowi

Recommendations for the Evaluation of Left Ventricular Diastolic Function by Echocardiography

S. F. Nagueh, C. P. Appleton, T. C. Gillebert, P. N. Marino, J. K. Oh, O. A. Smiseth, A. D. Waggoner, F. A. Flachskampf, P. A. Pellikka, A. Evangelisa
2008 European Journal of Echocardiography  
gradient and a reduction in LA conduit volume, while the reservoir-pump complex is enhanced to maintain optimal LV end-diastolic volume and normal stroke volume.  ...  apical 4-chamber view, using color flow imaging. (2) The M-mode scan line is placed through the center of the LV inflow blood column from the mitral valve to the apex, with baseline shift to lower the  ... 
doi:10.1093/ejechocard/jep007 pmid:19270053 fatcat:57e4m7qmabf3jbu5xl6zvxp73q

Multifunctional catheters combining intracardiac ultrasound imaging and electrophysiology sensing

D.N. Stephens, J. Cannata, Ruibin Liu, Jian Zhong Zhao, K.K. Shung, Hien Nguyen, R. Chia, A. Dentinger, D. Wildes, K.E. Thomenius, A. Mahajan, K. Shivkumar (+6 others)
2008 IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control  
The catheters also performed well in high frame rate imaging, color flow imaging, and strain rate imaging of atrial and ventricular structures.  ...  The second device is a forward-looking catheter with a 24-element 14 MHz phased array. Both of these catheters operate on a commercial imaging system with standard software.  ...  Acknowledgments Assembly and testing of prototypes, contributions to designs, and the organization of data are gratefully acknowledged from contributions of Jay Williams, University of Southern California  ... 
doi:10.1109/tuffc.2008.834 pmid:18986948 pmcid:PMC4699186 fatcat:u664ri5d3vgepojkue3rb2mxcm

Recommendations for the Evaluation of Left Ventricular Diastolic Function by Echocardiography

Sherif F. Nagueh, Christopher P. Appleton, Thierry C. Gillebert, Paolo N. Marino, Jae K. Oh, Otto A. Smiseth, Alan D. Waggoner, Frank A. Flachskampf, Patricia A. Pellikka, Arturo Evangelista
2009 Journal of the American Society of Echocardiography  
gradient and a reduction in LA conduit volume, while the reservoir-pump complex is enhanced to maintain optimal LV enddiastolic volume and normal stroke volume.  ...  are closed, atrial chambers work as distensible reservoirs accommodating blood flow from the venous circulation (reservoir volume is defined as LA passive emptying volume minus the amount of blood flow  ... 
doi:10.1016/j.echo.2008.11.023 pmid:19187853 fatcat:sbtlqvvjjvhf5gaxkzavpaixka

Subject index

2007 Journal of the American College of Cardiology  
Regional Left Ventricular Function Using Tissue Tracking Based Automated Function Imaging##912-227·156A Automated Quantification of Left Ventricular Volumes and Ejection Fraction Using 2D Speckle  ...  Automated Quantification of Left Ventricular Volumes and Ejection Fraction Using 2D Speckle Tracking Echocardiography## 806-4·99A End-Systolic Volume: Best Predictor of Mortality in 1,898 Elderly  ... 
doi:10.1016/j.jacc.2007.01.047 fatcat:w6ingwinqrckdghdkhndushcfq

Review of Journal of Cardiovascular Magnetic Resonance 2015

D. J. Pennell, A. J. Baksi, S. K. Prasad, R. H. Mohiaddin, F. Alpendurada, S. V. Babu-Narayan, J. E. Schneider, D. N. Firmin
2016 Journal of Cardiovascular Magnetic Resonance  
The 2015 JCMR Impact Factor (which is published in June 2016) rose to 5.75 from 4.72 for 2014 (as published in June 2015) , which is the highest impact factor ever recorded for JCMR.  ...  The quality of the submissions continues to increase.  ...  Authors' contributions All authors contributed to writing this review and all authors have approved the final manuscript.  ... 
doi:10.1186/s12968-016-0305-7 pmid:27846914 pmcid:PMC5111217 fatcat:xpe47w5atvcilebmccg4ut7xgm
« Previous Showing results 1 — 15 out of 195 results