Search Results - "Holland, Mark R"

Reference Ranges of Left Ventricular Strain Measures by Two-Dimensional Speckle-Tracking Echocardiography in Children: A Systematic Review and Meta-Analysis by Levy, Philip T., MD, Machefsky, Aliza, BA, Sanchez, Aura A, Patel, Meghna D., MD, Rogal, Sarah, MS, Fowler, Susan, MLIS, Yaeger, Lauren, MLIS, Hardi, Angela, MLIS, Holland, Mark R., PhD, Hamvas, Aaron, MD, Singh, Gautam K., MD

“…Background Establishment of the range of reference values and associated variations of two-dimensional speckle-tracking echocardiography (2DSTE)–derived left…”
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Pulmonary Artery Acceleration Time Provides a Reliable Estimate of Invasive Pulmonary Hemodynamics in Children by Levy, Philip T., MD, Patel, Meghna D., MD, Groh, Georgeann, MD, Choudhry, Swati, MD, Murphy, Joshua, MD, Holland, Mark R., PhD, Hamvas, Aaron, MD, Grady, Mark R., MD, Singh, Gautam K., MD

“…Background Pulmonary artery acceleration time (PAAT) is a noninvasive method to assess pulmonary hemodynamics, but it lacks validity in children. The aim of…”
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Normal Ranges of Right Ventricular Systolic and Diastolic Strain Measures in Children: A Systematic Review and Meta-Analysis by Levy, Philip T., MD, Sanchez Mejia, Aura A., MD, Machefsky, Aliza, BA, Fowler, Susan, MLIS, Holland, Mark R., PhD, Singh, Gautam K., MD

“…Background Establishment of the range of normal values and associated variations of two-dimensional (2D) speckle-tracking echocardiography (STE)–derived right…”
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FABRICA: A Bioreactor Platform for Printing, Perfusing, Observing, & Stimulating 3D Tissues by Smith, Lester J., Li, Ping, Holland, Mark R., Ekser, Burcin

“…We are introducing the FABRICA, a bioprinter-agnostic 3D-printed bioreactor platform designed for 3D-bioprinted tissue construct culture, perfusion,…”
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Feasibility and Reproducibility of Systolic Right Ventricular Strain Measurement by Speckle-Tracking Echocardiography in Premature Infants by Levy, Philip Thaler, MD, Holland, Mark R., PhD, Sekarski, Timothy J., RDCS, Hamvas, Aaron, MD, Singh, Gautam K., MD

“…Background Right ventricular (RV) systolic function is an important prognostic determinant of cardiopulmonary pathologies in premature infants. Measurements of…”
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Maturational Patterns of Systolic Ventricular Deformation Mechanics by Two-Dimensional Speckle-Tracking Echocardiography in Preterm Infants over the First Year of Age by Levy, Philip T., MD, EL-Khuffash, Afif, FRCPI, MD, DCE, Patel, Meghna D., MD, Breatnach, Colm R., MB, James, Adam T., MD, Sanchez, Aura A., MD, Abuchabe, Cristina, MD, Rogal, Sarah R., BS, Holland, Mark R., PhD, McNamara, Patrick J., MD, MRCPCH, Jain, Amish, MD, Franklin, Orla, MD, Mertens, Luc, MD, Hamvas, Aaron, MD, Singh, Gautam K., MD

“…Background The aim of this study was to determine the maturational changes in systolic ventricular strain mechanics by two-dimensional speckle-tracking…”
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Right Ventricular Function in Preterm and Term Neonates: Reference Values for Right Ventricle Areas and Fractional Area of Change by Levy, Philip T., MD, Dioneda, Brittney, Holland, Mark R., PhD, Sekarski, Timothy J., RDCS, Lee, Caroline K., MD, Mathur, Amit, MD, Cade, W. Todd, PT, PhD, Cahill, Alison G., MD, MSCI, Hamvas, Aaron, MD, Singh, Gautam K., MD

“…Background Right ventricular (RV) fractional area of change (FAC) is a quantitative two-dimensional echocardiographic measurement of RV function. RV FAC…”
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Alterations in Ventricular Structure and Function in Obese Adolescents with Nonalcoholic Fatty Liver Disease by Singh, Gautam K., MD, Vitola, Bernadette E., MD, MPH, Holland, Mark R., PhD, Sekarski, Timothy, RDCS, Patterson, Bruce W., PhD, Magkos, Faidon, PhD, Klein, Samuel, MD

“…Objective To determine the association among nonalcoholic fatty liver disease (NAFLD), metabolic function, and cardiac function in obese adolescents. Study…”
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Accuracy and Reproducibility of Strain by Speckle Tracking in Pediatric Subjects with Normal Heart and Single Ventricular Physiology: A Two-Dimensional Speckle-Tracking Echocardiography and Magnetic Resonance Imaging Correlative Study by Singh, Gautam K., MD, Cupps, Brian, PhD, Pasque, Michael, MD, Woodard, Pamela K., MD, Holland, Mark R., PhD, Ludomirsky, Achiau, MD

“…Background Myocardial strain is a sensitive measure of ventricular systolic function. Two-dimensional speckle-tracking echocardiography (2DSE) is an…”
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Effects of Frame Rate on Two-Dimensional Speckle Tracking-Derived Measurements of Myocardial Deformation in Premature Infants by Sanchez, Aura A., Levy, Philip T., Sekarski, Timothy J., Hamvas, Aaron, Holland, Mark R., Singh, Gautam K.

“…Background Frame rate (FR) of image acquisition is an important determinant of the reliability of 2‐dimensional speckle tracking echocardiography…”
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Markers of Cardiovascular Risk, Insulin Resistance, and Ventricular Dysfunction and Remodeling in Obese Adolescents by Sanchez, Aura A., MD, Levy, Philip T., MD, Sekarski, Timothy J., RDCS, Arbelaez, Ana M., MD, Hildebolt, Charles F., DDS, PhD, Holland, Mark R., PhD, Singh, Gautam K., MD

“…Objectives To test our hypothesis that obese adolescents have left ventricular (LV) dysfunction and remodeling that are associated with markers of…”
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Doppler Echocardiography Inaccurately Estimates Right Ventricular Pressure in Children with Elevated Right Heart Pressure by Groh, Georgeann K., MD, Levy, Philip T., MD, Holland, Mark R., PhD, Murphy, Joshua J., MD, Sekarski, Timothy J., RDCS, Myers, Craig L., RCCS, Hartman, Diana P., RDCS, Roiger, Rebecca D., MSN, RN, CPNP, Singh, Gautam K., MD

“…Background Doppler echocardiography (DE) is widely used as a surrogate for right heart catheterization (RHC), the gold standard, to assess and monitor elevated…”
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Assessing the performance of ultrasound imaging systems using images from relatively high‐density random spherical void phantoms: A simulation study by Holland, Mark R.

“…Background The development of clinically meaningful, objective, and quantitative methods for assessing the performance of ultrasound imaging systems represents…”
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Conventional, Bayesian, and Modified Prony's methods for characterizing fast and slow waves in equine cancellous bone by Groopman, Amber M, Katz, Jonathan I, Holland, Mark R, Fujita, Fuminori, Matsukawa, Mami, Mizuno, Katsunori, Wear, Keith A, Miller, James G

“…Conventional, Bayesian, and the modified least-squares Prony's plus curve-fitting (MLSP + CF) methods were applied to data acquired using 1 MHz center…”
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Determining attenuation properties of interfering fast and slow ultrasonic waves in cancellous bone by Nelson, Amber M., Hoffman, Joseph J., Anderson, Christian C., Holland, Mark R., Nagatani, Yoshiki, Mizuno, Katsunori, Matsukawa, Mami, Miller, James G.

“…Previous studies have shown that interference between fast waves and slow waves can lead to observed negative dispersion in cancellous bone. In this study, the…”
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Interference between wave modes may contribute to the apparent negative dispersion observed in cancellous bone by ANDERSON, Christian C, MARUTYAN, Karen R, HOLLAND, Mark R, WEAR, Keith A, MILLER, James G

“…Previous work has shown that ultrasonic waves propagating through cancellous bone often exhibit a linear-with-frequency attenuation coefficient, but a decrease…”
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Anomalous negative dispersion in bone can result from the interference of fast and slow waves by Marutyan, Karen R, Holland, Mark R, Miller, James G

“…The goal of this work was to show that the apparent negative dispersion of ultrasonic waves propagating in bone can arise from interference between fast and…”
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Inverse problems in cancellous bone: Estimation of the ultrasonic properties of fast and slow waves using Bayesian probability theory by Anderson, Christian C., Bauer, Adam Q., Holland, Mark R., Pakula, Michal, Laugier, Pascal, Bretthorst, G. Larry, Miller, James G.

“…Quantitative ultrasonic characterization of cancellous bone can be complicated by artifacts introduced by analyzing acquired data consisting of two propagating…”
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A Suggested Roadmap for Cardiovascular Ultrasound Research for the Future by Kaul, Sanjiv, MD, FASE, Miller, James G., PhD, Grayburn, Paul A., MD, Hashimoto, Shinichi, Hibberd, Mark, MD, PhD, Holland, Mark R., PhD, FASE, Houle, Hélène C., BA, RDMS, RDCS, RVT, FASE, Klein, Allan L., MD, FASE, Knoll, Peg, RDCS, FASE, Lang, Roberto M., MD, FASE, Lindner, Jonathan R., MD, FASE, McCulloch, Marti L., RDCS, FASE, Metz, Stephen, PhD, Mor-Avi, Victor, PhD, FASE, Pearlman, Alan S., MD, FASE, Pellikka, Patricia A., MD, FASE, DeMars Plambeck, Nancy, BS, RDMS, RDCS, RVT, Prater, David, MS, Porter, Thomas R., MD, FASE, Sahn, David J., MD, FASE, Thomas, James D., MD, FASE, Thomenius, Kai E., PhD, Weissman, Neil J., MD, FASE

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Novel Methods for Assessment of Right Heart Structure and Function in Pulmonary Hypertension by Singh, Gautam K., MD, Levy, Philip T., MD, Holland, Mark R., PhD, Hamvas, Aaron, MD

“…Long-term increases in pulmonary vascular resistance and pulmonary arterial pressure resulting from structural alterations and abnormal vasoreactivity of the…”
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