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Left Ventricular Unloading on Venoarterial Extracorporeal Membrane Oxygenation Support: Before We Know When We Need to Know How.
J Cardiothorac Vasc Anesth
February 2025
Department of Anesthesiology, The Ohio State University Wexner Medical Center,Columbus, OH.
How Would We Treat Our Own Left Ventricular Outflow Tract Obstruction in Transcatheter Mitral Valve Replacement?
J Cardiothorac Vasc Anesth
February 2025
Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan, Italy. Electronic address:
This article aims to provide a comprehensive review of the current knowledge on the prevention and treatment of left ventricular outflow tract obstruction (LVOTO) associated with transcatheter mitral valve replacement-a novel and evolving treatment alternative for mitral regurgitation-encompassing both surgical and pharmacological interventions. LVOTO is a potentially catastrophic complication of transcatheter mitral valve replacement. Therefore, identifying patients at high risk for LVOTO and implementing a carefully tailored medical and surgical strategy are essential for optimizing perioperative management and improving patient outcomes.
View Article and Find Full Text PDFChanges 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.
Evaluation of multiple ventricular septal defects using three-dimensional reconstruction models.
Eur J Cardiothorac Surg
March 2025
Department of Pediatrics, University of Toyama, Graduate School of Medicine, Toyama, Japan.
Objectives: Although there has been rapid development in the field of three-dimensional morphological analyses of congenital heart disease, with the three-dimensional volume-rendered images providing visualization of the external vascular anatomy, the precise reproduction of "Swiss-cheese" ventricular septum is not well established. We created three-dimensional printed models and computer graphics based on multi-slice computed tomography of patients with complex multiple ventricular septal defects for surgical decision planning of this difficult cardiac defect.
Methods: Seven patients with complex multiple ventricular septal defects were evaluated preoperatively using three-dimensional printed models and computer graphics to plan therapeutic interventions.
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