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Hemodynamic analysis of left ventricular unloading with Impella versus IABP during VA-ECMO.
Acta Bioeng Biomech
June 2024
1Department of Biomedical Engineering, Hefei University of Technology, Hefei, People's Republic of China.
: The utilization of intra-aortic balloon pump (IABP) and Impella has been suggested as means of left ventricular unloading in veno-arterial extracorporeal membrane oxygenation (VA-ECMO) patients. This study aimed to assess the local hemodynamic alterations in VA-ECMO patients through simulation analyses. : In this study, a 0D-3D multiscale model was developed, wherein resistance conditions were employed to define the flow-pressure relationship.
View Article and Find Full Text PDFEditorial for "Left Ventricular Hemodynamic Forces Changes in Fabry Disease: A Cardiac Magnetic Resonance Study".
J Magn Reson Imaging
January 2025
ImageWorks LLC, Shaker Heights, Ohio, USA.
Sexual dimorphism in right ventricular adaptation to pressure overload involves differential angiogenic response.
Am J Physiol Heart Circ Physiol
January 2025
Department of Physiology and Biophysics, Dalhousie University, Halifax, NS.
This study investigated the sexual dimorphism in right ventricle (RV) remodeling in right heart failure susceptible Fischer CDF rats using the pulmonary artery banding (PAB) model. Echocardiography and hemodynamic measurements were performed in adult male and female Fischer CDF rats at 1- or 2-weeks post-PAB. RV systolic pressure and RV hypertrophy were significantly elevated in PAB rats compared to sham control at 1- and 2-weeks post-PAB; however, no differences were observed between male and female rats.
View Article and Find Full Text PDFEvaluation of Right and Left Ventricular Deformation Analysis in İdiopathic Right Bundle Branch Block by Speckle Tracking Echocardiography.
Echocardiography
February 2025
Cardiology Department, Gazi University Hospital, Yenimahalle, Ankara, Turkey.
Background: Idiopathic right bundle branch block (RBBB) is often seen as harmless and common. However, many studies show it might be linked to negative health outcomes. So, it is crucial to fully understand how RBBB affects the heart's ventricles.
View Article and Find Full Text PDFAging and sex differences in salt sensitivity of blood pressure.
Clin Sci (Lond)
January 2025
Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN, U.S.A.
Salt sensitivity of blood pressure (SSBP) is a complex physiological trait characterized by changes in blood pressure in response to dietary salt intake. Aging introduces an additional layer of complexity to the pathophysiology of SSBP, with mitochondrial dysfunction, epigenetic modifications, and alterations in gut microbiota emerging as critical factors. Despite advancements in understanding these mechanisms, the processes driving increased salt sensitivity with age and their differential impacts across sexes remain unclear.
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