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A rare case of paradoxical embolization due to an acquired extracardiac right-to-left shunt during covid-19 infection: Every street leads to heart.
J Cardiol Cases
October 2024
Pediatric Cardiology Unit, University of Campania "Luigi Vanvitelli", AORN "Ospedali dei Colli", Monaldi Hospital, Naples, Italy.
Unlabelled: Right-to-left shunt may be a cause of paradoxical embolization (and cryptogenic cerebral ischemic events). Patent foramen ovale and pulmonary arterio-venous malformations are the most common cause of paradoxical embolization; however, some rare cardiovascular lesions may cause a right-to-left shunt with consequent paradoxical embolization. We describe a case of a young child with superior sinus venosus atrial septal defect who underwent surgical closure and developed a cryptogenic cerebral ischemic attack due to a rare cause of paradoxical embolization, during a long-term follow-up.
View Article and Find Full Text PDFUnlabelled: Accurate estimation of the Lung Shunt Fraction (LSF) is a standard of care in yttrium-90 ( Y) radioembolization treatment planning to prevent excessive lung irradiation due to arterio-venous shunting in the liver. LSF is assessed using Tc macroaggregated albumin ( Tc-MAA) imaging, but this approach adds risk, complexity, and expense to the treatment planning. This study investigates the potential of Contrast-Enhanced Computed Tomography (CECT) as a non-invasive alternative for LSF estimation.
View Article and Find Full Text PDFA retrospective review of sildenafil in the Australia and New Zealand Fontan registry: indications and treatment responses.
Int J Cardiol Congenit Heart Dis
June 2024
University of Sydney, Sydney, Australia.
Introduction: Rates of morbidity and mortality are high in the setting of Fontan physiology and effective medical therapies are not well-established. Clinical trials assessing phosophodiesterase-5-inhibitors, such as sildenafil, have not demonstrated major benefit in patients with a Fontan-type circulation but have only included stable, well-functioning people.
Methods: We sought to retrospectively characterize the people followed by the ANZ Fontan Registry prescribed sildenafil >30 days post Fontan-surgery.
Hemodynamic Effects and Clinical Outcomes of Left Atrial Veno-Arterial Extracorporeal Membrane Oxygenation (LAVA-ECMO) in Cardiogenic Shock.
Am J Cardiol
February 2025
Structural Heart Disease, Heart and Vascular Services, Henry Ford Hospital, Detroit, Michigan.
Left atrial veno-arterial extracorporeal membrane oxygenation (LAVA-ECMO) in cardiogenic shock (CS) is a novel mechanical cardiocirculatory support strategy that provides robust cardiocirculatory support and simultaneous left and right atrial venting by way of a multifenestrated transeptal catheter. We performed a single-center retrospective analysis of all patients aged ≥18 years with CS who underwent LAVA-ECMO at a quaternary care institution from 2018 to 2023. Clinical outcomes and prehemodynamics and posthemodynamics were evaluated.
View Article and Find Full Text PDFPulmonary Aneurysmal Arteriovenous Malformation Treated With a Vascular Plug.
Vasc Endovascular Surg
February 2025
Departamento de Cirugía Vascular y Endovascular, Escuela de Medicina, Pontificia Universidad Catolica de Chile, Santiago, Chile.
Purpose: To report a case of an asymptomatic patient with a pulmonary aneurysmal arterio-venous malformation successfully treated with a vascular plug.
Case Report: An active 30-year-old male patient, residing at 3000 ft above sea level was referred due to an incidental finding on a CT scan of a 37 mm vascular mass localized in the lower lobe of the right lung, which corresponded to a pulmonary arteriovenous malformation with a single feeding artery. The patient was treated with an Amplatzer vascular plug, which effectively excluded the afferent vessel.
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