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Tracking and Analysis of Cine-Delayed Enhancement MR [chapter]

Thomas O'Donnell, Engin Dikici, Randolph Setser, Richard D. White
2005 Lecture Notes in Computer Science  
Cine-DEMR is a new cardiac imaging technique which combines aspects of Cine and Delayed Enhancement MR.  ...  Tracking is performed using an affine deformed template of borders manually drawn on the first phase of the series and refined using an ASM-like approach.  ...  Introduction Cine-Delayed Enhancement Magnetic Resonance imaging (Cine-DEMR) is a novel imaging technique targeted to the left ventricle of the heart which combines the advantages of both Cine MR and Delayed  ... 
doi:10.1007/11566489_85 fatcat:omjgmu4e6zbqjig4ytylqa3l3u

Assessing myocardial circumferential strain using cardiovascular magnetic resonance after magnetic resonance-conditional cardiac resynchronization therapy

Hideo Arai, Masateru Kawakubo, Kenichi Sanui, Hiroshi Nishimura, Toshiaki Kadokami
2020 Radiology Case Reports  
Strain analysis using short-axis (SA) cine CMR overcame this issue of artifact by enabling slice selection by avoiding artifact.  ...  This case illustrates that circumferential strain with CMR-FT using SA cine CMR is useful in the assessment of improvement of myocardial motion after CRT and can provide useful additional information with  ...  heart failure, nonischemic cardiomyopathy, low cardiac function, positive late gadolinium enhancement (LGE), and presence of dyssynchrony with cine CMR.  ... 
doi:10.1016/j.radcr.2020.07.063 pmid:32874390 pmcid:PMC7452028 fatcat:ym5p27wegzdotgdz6tukojztea

Cardiac MR feature tracking identifies abnormal biventricular global strain values in biopsy-proven non-ischemic cardiomyopathies

Jeremy D Collins, Marcos Botelho, Madeline Stark, Daniel C Lee, Kevin Kalisz, Peter M Smith, Bradley D Allen, Maria L Carr, Bruce S Spottiswoode, James C Carr, Benjamin H Freed
2015 Journal of Cardiovascular Magnetic Resonance  
Background Cardiac MR is the reference standard for assessing biventricular systolic function and delayed enhancement.  ...  Feature tracking cardiac MR is a novel technique to quantitate myocardial function, tracking biventricular myocardial features to generate Lagrangian strain values from existing cine balanced steady state  ... 
doi:10.1186/1532-429x-17-s1-q8 pmcid:PMC4328348 fatcat:nl5yqvcouzbzxoqzl3pfsnytqe

Phase analysis detects heterogeneity of myocardial deformation on cine MRI

Eva Maret, Monika Liehl, Lars Brudin, Tim Todt, Thor Edvardsen, Jan E. Engvall
2015 Scandinavian Cardiovascular Journal  
Phase analysis detects heterogeneity of myocardial deformation on cine MRI, 2015, Scandinavian cardiovascular journal : SCJ, 1-10.  ...  This is the pre peer-reviewed version of the following article, "Phase analysis detects heterogeneity of myocardial deformation on cine MRI", which in its final form has been published at Scand Cardiovasc  ...  Acknowledgements Financial disclosures None This is the pre peer-reviewed version of the following article, "Phase analysis detects heterogeneity of myocardial deformation on cine MRI", which in its  ... 
doi:10.3109/14017431.2015.1023343 pmid:25752486 fatcat:c63guv4sdbbgdo2keuwcifmtxu

Simultaneous static and cine nonenhanced MR angiography using radial sampling and highly constrained back projection reconstruction

Ioannis Koktzoglou, Charles A. Mistretta, Shivraman Giri, Eugene E. Dunkle, Parag Amin, Robert R. Edelman
2013 Magnetic Resonance in Medicine  
The impact of multi-shot imaging and HYPR reconstruction was examined. The propagation rate of signal within the length of the arterial tree in the cine nonenhanced MR angiograms was quantified.  ...  Results-The cine NEMRA sequence simultaneously provided a static MR angiogram showing vascular anatomy as well as a cine display of arterial pulse wave propagation along the entire length of the peripheral  ...  Acknowledgments We thank the staff of NorthShore University HealthSystem Center for Advanced Imaging for their help with subject recruitment and assistance with the imaging studies.  ... 
doi:10.1002/mrm.25008 pmid:24407879 pmcid:PMC4016994 fatcat:zlmwetzl5vhlxm2svt64cctvfe

Evaluation of myocardial strain in patients with myocardial amyloidosis using feature-tracking technique

Tarun Pandey, Alapati Sindhura, Mohan Edupuganti, Shelly Lensing
2016 Journal of Cardiovascular Magnetic Resonance  
On the other hand, feature tracking strain analysis can utilize the routine multiplanar cine images for strain analysis, hence being quite easy to incorporate as part of routine cardiac protocol.  ...  Results Cardiac MR feature tracking strain analysis was able to differentiate patients with myocardial amyloidosis from those without myocardial amyloid with high sensitivity and specificity.  ... 
doi:10.1186/1532-429x-18-s1-q46 fatcat:mi3iwrmvhvb73agkab7qmsjxqi

Regional Myocardial Function: Advances in MR Imaging and Analysis

Ernesto Castillo, João A. C. Lima, David A. Bluemke
2003 Radiographics  
Epstein, PhD, University of Virginia Health System, Charlottesville, Va, and Matthias Stuber, PhD, Johns Hopkins University, Baltimore, Md.  ...  Osman, PhD, and Smita S. Sampath, MSc, Johns Hopkins University, Baltimore, Md, for their invaluable assistance. The authors also thank Frederick H.  ...  However, the analysis of cine MR images is only semiautomated and time consuming.  ... 
doi:10.1148/rg.23si035512 pmid:14557507 fatcat:f5mp2lwzqvagnagaypkwipybsq

The Role of Cardiovascular Magnetic Resonance (CMR) and Computed Tomography (CCT) in Facilitating Heart Failure Management

R. Brandon Stacey, W. Gregory Hundley
2013 Current Treatment Options in Cardiovascular Medicine  
In this review, the clinical applications of CMR and CCT are individually discussed, with comparisons made between them to examine the strengths of each modality.  ...  Finally, we review the utility of CMR and CCT in determining which patients will benefit from cardiac resynchronization therapy.  ...  Acknowledgments Research supported in part by National Institute of Health grants R33 CA121296-02, R01 HL076438-02, R01 CA167821-01, P30 AG21332 and P30 CA012197.  ... 
doi:10.1007/s11936-013-0253-6 pmid:23817725 pmcid:PMC3767383 fatcat:cwl2owmzczgrpfybqrtjawsqdi

Cardiac magnetic resonance imaging in small rodents using clinical 1.5T and 3.0T scanners

Wesley D. Gilson, Dara L. Kraitchman
2007 Methods  
In addition, the advanced applications of myocardial tagging and delayed-contrast-enhanced imaging are reviewed for the assessment of regional contractile function and myocardial viability, respectively  ...  Equipment requirements are presented, and a comprehensive description of the methods needed to complete a CMR exam including the animal preparation, imaging, and image analysis are discussed.  ...  Finally, we would like to acknowledge grant support for our laboratory from the National Heart, Lung, and Blood Institute at the National Institutes of Health (R01-HL073223).  ... 
doi:10.1016/j.ymeth.2007.03.012 pmid:17720562 pmcid:PMC2075472 fatcat:zkmpbuqok5e25e5xrsrioqpcze

TOPIC 13-2 – Cardiovascular imaging

2011 Archives of Cardiovascular Diseases Supplements  
We used delayed enhancement imaging to assess the presence of microvascular obstruction (MVO).  ...  Objective: To describe the time course of myocardial infarct (MI) healing and left ventricular (LV) remodelling in a 1 year follow-up study by using cardiac MRI.  ...  Methods and results: We retrospectively selected patients with a rst clinical episode of acute viral myocarditis diagnosed on a complete CMR study with cine sequences and delayed enhancement.  ... 
doi:10.1016/s1878-6480(11)70380-9 fatcat:k53zwnkfxvczzmjojgzqaybqaa

The Role of Multimodality Imaging in Cardiac Sarcoidosis

Noriko Oyama-Manabe, Osamu Manabe, Tadao Aikawa, Satonori Tsuneta
2021 Korean Circulation Journal  
The etiology and the progression of sarcoidosis remain unknown.  ...  The following focused review will highlight the emerging role of non-invasive cardiac imaging techniques, including FDG PET/CT and CMR.  ...  We reported that the image quality of delayed iodine contrast-enhanced CT (DE-CT) sufficiently allows for the assessment of hyper-enhanced myocardium in patients with or without implantable devices. 102  ... 
doi:10.4070/kcj.2021.0104 pmid:34085435 fatcat:z4lcuej35nhldfv4rml3dkk4xu

Correlation of CT-based regional cardiac function (SQUEEZ) with myocardial strain calculated from tagged MRI: an experimental study

Amir Pourmorteza, Marcus Y. Chen, Jesper van der Pals, Andrew E. Arai, Elliot R. McVeigh
2015 The International Journal of Cardiovascular Imaging  
Tagged and cine MRI scans were performed during the reperfusion phase and first-pass contrast enhanced CT scans were acquired. The average delay between the CT and MRI scans was <1 hour.  ...  Linear regression and Bland-Altman analysis was used to assess the correlation between the two metrics of local LV function.  ...  Acknowledgments Grant sponsor: This research was supported in part by the Maryland Innovation Initiative grant (115127) titled "Diagnostic Method for Rapid Detection of Significant Coronary Heart Disease  ... 
doi:10.1007/s10554-015-0831-7 pmid:26706935 pmcid:PMC4854781 fatcat:jqyva4n7wnc3xcedzsv7hvbn74

Cardiac Strain Analysis Using Cine Magnetic Resonance Imaging and Computed Tomography

Michinobu Nagao, Yuzo Yamasaki
2018 Cardiovascular Imaging Asia  
This review focuses on strain analysis using tagged MRI and its current post-processing methods, known as feature tracking, discusses upcoming CT-based methods of strain analysis, and introduces their  ...  Using tagged cine magnetic resonance imaging (MRI) to analyze myocardial strain provides direct information regarding the timing of onset and peak of myocardial contraction and allows for the evaluation  ...  Seiko Shimizu of Canon Medical Systems Co. and Mr. Yamato Shimomiya of Ziosoft Inc. for their technical assistance.  ... 
doi:10.22468/cvia.2018.00052 fatcat:oc5xxakgszerrli3vw4lmus2ve

Cardiac Magnetic Resonance Imaging for the Investigation of Cardiovascular Disorders. Part 1: Current Applications

Ajit H. Goenka, Scott D. Flamm
2014 Texas Heart Institute Journal  
The evolution of cardiac magnetic resonance and its widening span of diagnostic and prognostic applications have generated excitement as well as uncertainty regarding its potential clinical use and its  ...  The purpose of this evidence-based review is to discuss some of these issues by highlighting the current (Part 1) and emerging (Part 2) applications of cardiac magnetic resonance.  ...  Acknowledgment We are grateful for the editorial assistance of Megan M. Griffiths, scientific writer for the Imaging Institute, Cleveland Clinic.  ... 
doi:10.14503/thij-13-3920 pmid:24512394 pmcid:PMC3967467 fatcat:wvihiop2s5hp3fa5oxpvqtjwj4

Multi-Ethnic Study of Atherosclerosis: Association between Left Atrial Function Using Tissue Tracking from Cine MR Imaging and Myocardial Fibrosis

Masamichi Imai, Bharath Ambale Venkatesh, Sanaz Samiei, Sirisha Donekal, Mohammadali Habibi, Anderson C. Armstrong, Susan R. Heckbert, Colin O. Wu, David A. Bluemke, João A. C. Lima
2014 Radiology  
q RSNA, 2014 P = .016) and SR A (b coefficient = 20.0022, P = .034). Conclusion: Reduced LA regional and global function are related to both replacement and diffuse myocardial fibrosis processes.  ...  It has been suggested that the measurement of LV strain by using tissue tracking with cine cardiac MR imaging was as useful as tagged MR imaging and speckle tracking echocardiography (28, 30, 31) .  ...  Two-and four-chamber cine images were used for LA analysis.  ... 
doi:10.1148/radiol.14131971 pmid:25019562 pmcid:PMC4314120 fatcat:lsseppxbxze6pmaatksgvsbwfm
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