Using an ultrasound-enhancing agent (UEA) has several indications, especially in diagnosing left ventricular thrombus. Herein, we present three cases of patients who were candidates for venous-arterial extracorporeal membrane oxygenation, among whom thrombus was ruled out via contrast echocardiography. The use of a UEA in these patients was a novel approach.
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http://dx.doi.org/10.1111/echo.15543 | DOI Listing |
Ultrasonics
May 2023
Department of Information Engineering and Computer Science, University of Trento, Italy.
Background: Increasing temporal resolution through numerical methods aids clinicians to evaluate fast moving structures of the heart with more confidence.
Methodology: In this study, a spatio-temporal numerical method is proposed to increase the frame rate based on two-dimensional (2D) interpolation. More specifically, we propose a novel intensity variation time surface (IVTS) strategy to incorporate both temporal and spatial information in the reconstruction.
Echocardiography
March 2023
Instituto Nacional de Cardiología Ignacio Chávez, Cardiovascular Intensive Care Unit, Ciudad de Mexico, Mexico.
Using an ultrasound-enhancing agent (UEA) has several indications, especially in diagnosing left ventricular thrombus. Herein, we present three cases of patients who were candidates for venous-arterial extracorporeal membrane oxygenation, among whom thrombus was ruled out via contrast echocardiography. The use of a UEA in these patients was a novel approach.
View Article and Find Full Text PDFEcho Res Pract
August 2022
Kaiser Permanente Medical Center, 4647 Zion Ave, San Diego, CA, 92120, USA.
The present CEUS Cardiac Exam Protocols represent the first effort to promulgate a standard set of protocols for optimal administration of ultrasound enhancing agents (UEAs) in echocardiography, based on more than two decades of experience in the use of UEAs for cardiac imaging. The protocols reflect current clinical CEUS practice in many modern echocardiography laboratories throughout the world. Specific attention is given to preparation and dosing of three UEAs that have been approved by the United States Food and Drug Administration (FDA) and additional regulatory bodies in Europe, the Americas and Asia-Pacific.
View Article and Find Full Text PDFJ Cardiol
September 2022
Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan.
Background: The predictive value of echocardiographic parameters for early worsening heart failure (WHF), worsening of symptoms of heart failure requiring intensification of therapy during an admission for acute decompensated heart failure (ADHF), has not been elucidated.
Methods: Sixteen centers in Japan prospectively enrolled 303 ADHF hospitalized patients who did not receive positive inotropic agents as an initial therapy. Physical and Doppler echocardiographic examinations were performed before the initial therapy and the association of low output findings and occurrence of early WHF were tested.
Front Cardiovasc Med
May 2021
Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain.
Distinguishing the etiology of left ventricular hypertrophy (LVH) is clinically relevant due to patient outcomes and management. Easily obtained, echocardiography-based myocardial deformation patterns may improve standard non-invasive phenotyping, however, the relationship between deformation phenotypes and etiology-related, microstructural cardiac remodeling has not been reported. Synchrotron radiation-based X-ray phase-contrast imaging (X-PCI) can provide high resolution, three-dimensional (3D) information on myocardial microstructure.
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