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Full-Text Articles in Medicine and Health Sciences

Cardiovascular Magnetic Resonance Myocardial Feature Tracking Detects Quantitative Wall Motion During Dobutamine Stress., Andreas Schuster, Shelby Kutty, Asif Padiyath, Victoria Parish, Paul Gribben, David A. Danford, Marcus R. Makowski, Boris Bigalke, Philipp Beerbaum, Eike Nagel Oct 2011

Cardiovascular Magnetic Resonance Myocardial Feature Tracking Detects Quantitative Wall Motion During Dobutamine Stress., Andreas Schuster, Shelby Kutty, Asif Padiyath, Victoria Parish, Paul Gribben, David A. Danford, Marcus R. Makowski, Boris Bigalke, Philipp Beerbaum, Eike Nagel

Journal Articles: Pediatrics

BACKGROUND: Dobutamine stress cardiovascular magnetic resonance (DS-CMR) is an established tool to assess hibernating myocardium and ischemia. Analysis is typically based on visual assessment with considerable operator dependency. CMR myocardial feature tracking (CMR-FT) is a recently introduced technique for tissue voxel motion tracking on standard steady-state free precession (SSFP) images to derive circumferential and radial myocardial mechanics.We sought to determine the feasibility and reproducibility of CMR-FT for quantitative wall motion assessment during intermediate dose DS-CMR.

METHODS: 10 healthy subjects were studied at 1.5 Tesla. Myocardial strain parameters were derived from SSFP cine images using dedicated CMR-FT software (Diogenes MRI prototype; …


Serum 25-Hydroxyvitamin D Level And Acute-Phase Reaction Following Initial Intravenous Bisphosphonate., Tarak Srivastava, Hongying Dai, Connie J. Haney, Uri S. Alon Feb 2011

Serum 25-Hydroxyvitamin D Level And Acute-Phase Reaction Following Initial Intravenous Bisphosphonate., Tarak Srivastava, Hongying Dai, Connie J. Haney, Uri S. Alon

Manuscripts, Articles, Book Chapters and Other Papers

No abstract provided.


Predictors Of Coronary Artery Visualization In Kawasaki Disease., Renee Margossian, Minmin Lu, L Luann Minich, Timothy J. Bradley, Meryl S. Cohen, Jennifer S. Li, Beth F. Printz, Girish S. Shirali, Lynn A. Sleeper, Jane W. Newburger, Steven D. Colan, Pediatric Heart Network Investigators Jan 2011

Predictors Of Coronary Artery Visualization In Kawasaki Disease., Renee Margossian, Minmin Lu, L Luann Minich, Timothy J. Bradley, Meryl S. Cohen, Jennifer S. Li, Beth F. Printz, Girish S. Shirali, Lynn A. Sleeper, Jane W. Newburger, Steven D. Colan, Pediatric Heart Network Investigators

Manuscripts, Articles, Book Chapters and Other Papers

Background: Echocardiography is the imaging modality of choice for the evaluation of coronary artery (CA) abnormalities in Kawasaki disease. Small series have established high specificity and sensitivity for detecting abnormalities, yet visualization rates of individual CA segments and factors associated with success are unknown.

Methods: In the Pediatric Heart Network's randomized trial of primary steroid treatment for Kawasaki disease, echocardiograms were interpreted locally and by a core laboratory. Univariate and multivariate predictors of CA visualization by the local lab as determined by the core lab were explored, and agreement of CA size measured locally and by the core lab was …