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Changes in Left Ventricular Function Assessed by 3D Echocardiography During Severe Central Hypovolemia in Healthy Humans.
Echocardiography
March 2025
Department of Physical Therapy, Faculty of Health Science, Kyorin University, Mitaka City, Tokyo, Japan.
Purpose: Central hypovolemia is considered to lead to a compensatory increase in cardiac contractility. From a physiological perspective, left ventricular (LV) twisting motion, which plays an important role in maintaining cardiac output, should be enhanced during central hypovolemia, but previous studies have shown inconsistent findings. Using 3D echocardiography, we tested the hypothesis that the LV twisting and untwisting motion would be enhanced during severe central hypovolemia.
View Article and Find Full Text PDFA New Method Using the Four-Chamber View to Identify Fetuses With Subsequently Confirmed Postnatal Aortic Coarctation.
Echocardiography
March 2025
Division of Pediatric Cardiology, Department of Pediatrics, UCLA Mattel Children's Hospital, David Geffen School of Medicine at UCLA, Los Angeles, California, USA.
Objective: To determine the sensitivity, specificity, and false-positive rate among fetuses suspected prenatally to have coarctation of the aorta (CoA) using size and shape measurements of the fetal heart from the four-chamber view (4CV).
Methods: This was a retrospective study of 108 fetuses identified by pediatric cardiologists to be at risk for CoA. 4CV s from the last antenatal ultrasound performed by the cardiologists were analyzed.
Atrial and ventricular strain changes after transcatheter pulmonary valve replacement in patients with repaired tetralogy of Fallot: a feature tracking cardiac MRI study.
Jpn J Radiol
March 2025
Department of Mechanical Engineering, Koc University, Istanbul, Turkey.
Purpose: In patients with repaired tetralogy of Fallot, transcatheter or surgical pulmonary valve replacement is recommended. However, it is not clear whether pulmonary valve replacement preserves systolic and diastolic functions of both ventricles. The aim of the study is to investigate the impact of transcatheter pulmonary valve replacement on atrial and ventricular myocardial strain changes by feature-tracking cardiac magnetic resonance imaging.
View Article and Find Full Text PDFCerebral Protection Devices in Case of Left Sided Intracardiac Thrombus: A Multicentre Experience From the Cath Lab and EP Lab.
Catheter Cardiovasc Interv
March 2025
Division of arrhythmology, San Raffaele Hospital, Milan, Italy.
Background: Performing a left atrial appendage occlusion (LAAO) or catheter ablation with left-sided intracardiac thrombus is considered very-high risk for periinterventional stroke. Cerebral embolic protection (CEP) devices are designed to prevent cardioembolic stroke and have been widely studied in TAVR procedures. However, their role in LAAO and catheter ablation of ventricular tachycardia (VT) or in pulmonary vein isolation (PVI) with cardiac thrombus present remains unknown.
View Article and Find Full Text PDFRight and Left Ventricle Thrombus in a 68-Year-Old Patient With Sepsis and Cardiomyopathy.
Cureus
February 2025
Cardiology, Bahman University Hospital, Beirut, LBN.
Right ventricular thrombus (RVT) is a rare but clinically significant condition associated with severe complications, such as pulmonary embolism and right heart failure. This case report presents a 68-year-old woman with a history of diabetes, coronary artery disease, and heart failure with reduced ejection fraction (HFrEF), who developed bilateral ventricular thrombi in the context of septic cardiomyopathy secondary to a diabetic foot infection and a urinary tract infection (UTI). Echocardiography revealed thrombi in both the right and left ventricles, severe global hypokinesia, and reduced ejection fraction.
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