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Improvement of coronary artery endothelial dysfunction with lipid-lowering therapy: heterogeneity of segmental response and correlation with plasma-oxidized low density lipoprotein

William F Penny, Ori Ben-Yehuda, Kenji Kuroe, John Long, Alan Bond, Valmik Bhargava, Joseph F Peterson, Martin McDaniel, Joseph Juliano, Joseph L Witztum, John Ross, Kirk L Peterson
2001 Journal of the American College of Cardiology  
Most coronary segments show enhancement, while others show declination of dilation, underscoring the importance of assessing the entire analyzable artery.  ...  OBJECTIVES This study assessed coronary artery endothelial function in patients with hypercholesterolemia before and after lipid lowering, using quantitative angiography to examine the acetylcholine (Ach  ...  After diagnostic angiography, an end-hole 3F-infusion catheter was placed into the proximal segment of the coronary artery to be studied.  ... 
doi:10.1016/s0735-1097(00)01180-3 pmid:11693750 fatcat:tbbt7f7ziveabn5ugzlg6vub7q

Bayesian analysis versus discriminant function analysis: their relative utility in the diagnosis of coronary disease

R Detrano, J Leatherman, E E Salcedo, J Yiannikas, G Williams
1986 Circulation  
To compare their relative accuracy, we submitted 303 subjects referred for coronary angiography to stress electrocardiography, thallium scintigraphy, and cine fluoroscopy.  ...  Receiver operating characteristic curve analysis showed that all four calculations could equivalently rank the disease probabilities for our patients.  ...  angiography.  ... 
doi:10.1161/01.cir.73.5.970 pmid:3698241 fatcat:3oqdgslkgzbprgrjzknzno6odm

3D whole-heart isotropic sub-millimeter resolution coronary magnetic resonance angiography with non-rigid motion-compensated PROST

Aurélien Bustin, Imran Rashid, Gastao Cruz, Reza Hajhosseiny, Teresa Correia, Radhouene Neji, Ronak Rajani, Tevfik F Ismail, René M Botnar, Claudia Prieto
2020 Journal of Cardiovascular Magnetic Resonance  
To enable free-breathing whole-heart sub-millimeter resolution coronary magnetic resonance angiography (CMRA) in a clinically feasible scan time by combining low-rank patch-based undersampled reconstruction  ...  For the patient study, image quality scoring and visual comparison with coronary computed tomography angiography (CCTA) were performed.  ...  Incorporating non-rigid motion correction in NR-SENSE allows for better visualization of the distal segments of the coronary arteries with sharp edges.  ... 
doi:10.1186/s12968-020-00611-5 pmid:32299445 pmcid:PMC7161114 fatcat:3qcdlhcp7bgmrmnp7xolem5iki

Coronary Computed Tomography and Magnetic Resonance Imaging

Birgit Kantor, Eike Nagel, Paul Schoenhagen, Jörg Barkhausen, Thomas C. Gerber
2009 Current problems in cardiology  
Computed tomographic coronary angiography is a first-line indication to evaluate congenitally abnormal coronary arteries and, along with stress magnetic resonance myocardial perfusion imaging, is useful  ...  Coronary calcium scoring may be useful in asymptomatic patients at intermediate risk.  ...  Although segments with extensive calcification were excluded a priori, there remained a high proportion of coronary segments that could not be evaluated for reasons other than CAC.  ... 
doi:10.1016/j.cpcardiol.2008.12.002 pmid:19269527 pmcid:PMC2709495 fatcat:lxra735ka5gjdihcw5epbdyrs4

From Compressed-Sensing to Artificial Intelligence-Based Cardiac MRI Reconstruction

Aurélien Bustin, Niccolo Fuin, René M. Botnar, Claudia Prieto
2020 Frontiers in Cardiovascular Medicine  
The underlying assumptions of established techniques such as compressed sensing and low-rank reconstruction are briefly summarized, while a greater focus is given to recent advances in dictionary learning  ...  We provide below an overview of some reconstruction techniques incorporating low-rank models employed for CMR imaging.  ...  For reconstruction of cardiac cine MRI, the technique was compared to state-of-the-art CS and low-rank approaches, such as dictionary learning with temporal gradient (62), k-t sparse and low-rank (kt-SLR  ... 
doi:10.3389/fcvm.2020.00017 pmid:32158767 pmcid:PMC7051921 fatcat:xbge626jhzeulfjlssdlqnalze

Neointimal Modification With Scoring Balloon and Efficacy of Drug-Coated Balloon Therapy in Patients With Restenosis in Drug-Eluting Coronary Stents

Sebastian Kufner, Michael Joner, Simon Schneider, Ralph Tölg, Bernhard Zrenner, Janika Repp, Alissa Starkmann, Erion Xhepa, Tareq Ibrahim, Salvatore Cassese, Massimiliano Fusaro, Ilka Ott (+6 others)
2017 JACC: Cardiovascular Interventions  
The primary endpoint of the study was in-segment percentage diameter stenosis on 6-to 8-month follow-up angiography.  ...  BACKGROUND DCB angioplasty for the treatment of coronary drug-eluting stent restenosis has demonstrated encouraging results.  ...  Repeat coronary angiography was scheduled for all patients at 6 to 8 months.  ... 
doi:10.1016/j.jcin.2017.04.024 pmid:28683939 fatcat:tvkc3qre3vhtpluzyk6te25kfa

Artificial Intelligence in Cardiovascular Imaging

Damini Dey, Piotr J. Slomka, Paul Leeson, Dorin Comaniciu, Sirish Shrestha, Partho P. Sengupta, Thomas H. Marwick
2019 Journal of the American College of Cardiology  
The application of artificial intelligence (AI) is dependent on robust data; the application of appropriate computational approaches and tools; and validation of its clinical application to image segmentation  ...  The detection and grading of coronary stenosis in computed tomography angiography (CTA) is an important field of cardiac measurements (62) based on coronary centerline tracing, lumen segmentation  ...  is trained by obstructive stenosis correlations by invasive coronary angiography.  ... 
doi:10.1016/j.jacc.2018.12.054 pmid:30898208 pmcid:PMC6474254 fatcat:ats7dvhsgvbcrfzdbwa76fanna

Comparison of methods for ranking and stratification of community-dwelling adults by pericardial fat thickness measured using cardiovascular magnetic resonance imaging

Michael L Chuang, Noriko Oyama, Philimon Gona, Carol J Salton, Rahul R Jhaveri, Daniel Levy, Christopher J O'Donnell, Warren J Manning
2009 Journal of Cardiovascular Magnetic Resonance  
Conclusion: We presented a robust, accurate and efficient method for the fully automatic delineation of the myocardium contours in LA + SA cine CMR images, which can be used for accurate LV functional  ...  rank space where M = 16.  ...  In order to obtain accurate segmentation in MRI a priori information often needs to be used.  ... 
doi:10.1186/1532-429x-11-s1-p203 fatcat:ajdfjg732vfu7c2fp7kzwzxvau

Plasma alkylresorcinols, biomarkers of whole-grain intake, are not associated with progression of coronary artery atherosclerosis in postmenopausal women with coronary artery disease

Nicola M McKeown, Adela Hruby, Rikard Landberg, David M Herrington, Alice H Lichtenstein
2015 Public Health Nutrition  
segments.  ...  postmenopausal women participating in the Estrogen Replacement and Atherosclerosis trial.SubjectsFor the analysis of plasma AR concentrations and atherosclerotic progression, plasma samples and follow-up data on angiography  ...  Outcome measures As previously described (22, 23, 29) , quantitative coronary angiography was determined using standardized methods to measure the luminal diameters of up to ten proximal epicardial segments  ... 
doi:10.1017/s1368980015001123 pmid:25903091 fatcat:6p2rwx5c2ze45gebmitfwq6wmq

Whole heart 3 D MR coronary angiography with and without extracellular contrast agent

Dorota Piotrowska-Kownacka, Lukasz Kownacki, Grzegorz Opolski, Leszek Krolicki, Olgierd Rowinski
2009 Journal of Cardiovascular Magnetic Resonance  
Conclusion: We presented a robust, accurate and efficient method for the fully automatic delineation of the myocardium contours in LA + SA cine CMR images, which can be used for accurate LV functional  ...  rank space where M = 16.  ...  In order to obtain accurate segmentation in MRI a priori information often needs to be used.  ... 
doi:10.1186/1532-429x-11-s1-p125 fatcat:cgwa2hcecffb7o5d3yrfzrosge

Coronary MR angiography in children during systole and diastole using a dual cardiac phase scan of the whole heart

Sergio Arancibia, Israel Valverde, Philipp Beerbaum, Aaron Bell, Rene Botnar, Reza Razavi, Tobias Schaeffter, Gerald Greil
2009 Journal of Cardiovascular Magnetic Resonance  
Conclusion: We presented a robust, accurate and efficient method for the fully automatic delineation of the myocardium contours in LA + SA cine CMR images, which can be used for accurate LV functional  ...  rank space where M = 16.  ...  In order to obtain accurate segmentation in MRI a priori information often needs to be used.  ... 
doi:10.1186/1532-429x-11-s1-p68 fatcat:4ixm6mbxevcx5ai4gnnugyagoy

Serum biomarkers and traditional risk factors as predictors of peripheral arterial disease assessed by magnetic resonance angiography

Yuliya B Goldsmith, Ijaz Ahmad, Vishnu Singh, Marcus D'Ayala, Igor Klem, William M Briggs, Mohammed Ahmed, Munawar Hayat, Terrence J Sacchi, John F Heitner
2009 Journal of Cardiovascular Magnetic Resonance  
Conclusion: We presented a robust, accurate and efficient method for the fully automatic delineation of the myocardium contours in LA + SA cine CMR images, which can be used for accurate LV functional  ...  rank space where M = 16.  ...  In order to obtain accurate segmentation in MRI a priori information often needs to be used.  ... 
doi:10.1186/1532-429x-11-s1-p124 fatcat:qrq2vfhuerfs5exfekjnayvfde

Quantification of interventricular dyssynchrony by phase contrast magnetic resonance angiography

Kai Muellerleile, Loant Baholli, Michael Groth, Katharina Koopmann, Achim Barmeyer, Ralf Koester, Gerhard Adam, Thomas Meinertz, Stephan Willems, Gunnar Lund
2009 Journal of Cardiovascular Magnetic Resonance  
Conclusion: We presented a robust, accurate and efficient method for the fully automatic delineation of the myocardium contours in LA + SA cine CMR images, which can be used for accurate LV functional  ...  rank space where M = 16.  ...  In order to obtain accurate segmentation in MRI a priori information often needs to be used.  ... 
doi:10.1186/1532-429x-11-s1-p82 fatcat:2bjlcrvwj5dn3aeo62yyuhrdum

CMR atrial angiography makes redo AF ablations faster and easier with less x-ray fluoroscopy

Andrew S Flett, Don M Milliken, Syed S Ahsan, James McReady, Pier D Lambiase, James C Moon
2009 Journal of Cardiovascular Magnetic Resonance  
Conclusion: We presented a robust, accurate and efficient method for the fully automatic delineation of the myocardium contours in LA + SA cine CMR images, which can be used for accurate LV functional  ...  rank space where M = 16.  ...  In order to obtain accurate segmentation in MRI a priori information often needs to be used.  ... 
doi:10.1186/1532-429x-11-s1-o88 fatcat:xajoxkhcc5esljkyhcojnxf33e

Whole-heart contrast-enhanced coronary magnetic resonance angiography in less than 5 minutes using gradient echo interleaved EPI

Himanshu Bhat, Sven Zuehlsdorff, Xiaoming Bi, Xin Liu, Renate Jerecic, Debiao Li
2009 Journal of Cardiovascular Magnetic Resonance  
Conclusion: We presented a robust, accurate and efficient method for the fully automatic delineation of the myocardium contours in LA + SA cine CMR images, which can be used for accurate LV functional  ...  rank space where M = 16.  ...  In order to obtain accurate segmentation in MRI a priori information often needs to be used.  ... 
doi:10.1186/1532-429x-11-s1-o47 fatcat:krlgts2hevahzixsdghrz2qlw4
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