The field of pediatric mechanical circulatory support has undergone a significant evolution with the advent of devices designed for children and the implementation of new strategies for deployment. With the ongoing shortage of organs the demand for new devices specifically designed for children will only increase. This review discusses the evolution of mechanical circulatory support, available devices, and the implementation of new strategies for their deployment.
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J Cardiovasc Dev Dis
December 2024
3rd Department of Cardiology, "Sotiria" Chest Diseases Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece.
Hypertrophic cardiomyopathy (HCM) is a complex and heterogeneous cardiac disorder, often complicated by cardiogenic shock, a life-threatening condition marked by severe cardiac output failure. Managing cardiogenic shock in HCM patients presents unique challenges due to the distinct pathophysiology of the disease, which includes dynamic left ventricular outflow tract obstruction, diastolic dysfunction, and myocardial ischemia. This review discusses current and emerging therapeutic strategies tailored to address the complexities of HCM-associated cardiogenic shock and other diseases with similar pathophysiology that provoke left ventricular outflow tract obstruction.
View Article and Find Full Text PDFCardiol Cardiovasc Med
December 2024
Department of Translational Research, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona CA 91766, USA.
Universally, stroke presents as neurological deficits due to the obstruction of blood supply to specific regions of the brain. Among the three main categories of stroke, acute ischemic stroke is the leading cause of death and disability worldwide. As of today, there are two effective treatment methods: thrombolysis and endovascular therapy.
View Article and Find Full Text PDFPerfusion
December 2024
Division of Cardiothoracic and Vascular Surgery, Department of Surgery, Columbia University Irving Medical Center, New York, NY, USA.
Introduction: No clear guidelines exist for unfractionated heparin (UFH) monitoring in adult patients on veno-arterial extracorporeal life support (VA-ECLS) for refractory cardiogenic shock. In this study, we sought to compare outcomes between anti-factor Xa (FXa) and activated partial thromboplastin time (aPTT) strategies for UFH monitoring during VA-ECLS.
Methods: This is a single-center, retrospective review of VA-ECLS patients who received UFH in the cardiothoracic intensive care unit between July 2019 and November 2023.
ASAIO J
October 2024
From the Division of Cardiovascular Critical Care, Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts.
Patients with restrictive cardiomyopathy (RCM) and hypertrophic cardiomyopathy (HCM) were previously considered poor candidates for mechanical circulatory support due to technical limitations related to restrictive ventricular physiology and small ventricular size, limiting the ability to provide adequate flows and decompress the heart. Literature examining use of extracorporeal membrane oxygenation (ECMO) in this population consists of a single case series reporting no survivors. We report our experience providing ECMO in children with RCM or HCM at a large pediatric quaternary cardiac center.
View Article and Find Full Text PDFJACC Cardiovasc Interv
December 2024
Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA. Electronic address:
Background: The Magenta Elevate is a 9-F, self-expanding, catheter-mounted pump delivered sheathed through a commercially available 10-F femoral introducer over the wire to the left ventricle (LV), providing temporary hemodynamic support up to an equivalent of normal cardiac output.
Objectives: The authors sought to assess the feasibility and outcomes of Elevate-supported high-risk percutaneous coronary intervention (HR-PCI) in a first-in-human study and study the hemodynamic impact of high-output support during prolonged interventional left main coronary artery (LM) occlusions.
Methods: In this study, 14 patients underwent Elevate-supported HR-PCI, with 8 patients undergoing 20 prolonged (39 ± 16 seconds) balloon occlusions of an unprotected LM.
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