Echocardiography was used to diagnose the presence of both Ebstein's anomaly and partial atrioventricular canal in the case of a 20-year-old man who presented for evaluation of supraventricular tachyarrhythmias. The diagnosis was confirmed at surgery with successful surgical repair.
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http://dx.doi.org/10.1378/chest.80.4.515 | DOI Listing |
Semin Perinatol
December 2024
Division of Neonatology, Department of Pediatrics, Stollery Children's Hospital/University of Alberta, Edmonton, AB, Canada.
Effective resuscitation of neonates with congenital heart disease (CHD) depends on comprehensive planning, thorough understanding of physiology, vigilant monitoring, and interdisciplinary collaboration to achieve the best outcomes. Neonatal heart disease can affect cardiac structure, rhythm, or ventricular function, and may be either congenital or acquired. Critical congenital heart disease (CCHD) can result in inadequate pulmonary blood flow, impaired intracardiac mixing, airway obstruction, or insufficient cardiac output.
View Article and Find Full Text PDFCardiol Young
October 2024
Pediatric Cardiovascular Surgery, Dr Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital, Istanbul, Turkey.
Background: The risk factors for reoperation and mortality after partial and intermediate atrioventricular canal defect repair are unclear. This study assessed the mid-term outcomes and risk factors for reoperation and mortality after partial and intermediate atrioventricular canal defect surgery.
Methods: Ninety-seven patients who underwent primary repair of intermediate (n = 45) or partial (n = 52) atrioventricular canal defect between 2005 and 2019 were included in this single-centre study.
JACC Clin Electrophysiol
November 2024
Geisinger Heart Institute, Geisinger Commonwealth School of Medicine, Wilkes Barre, Pennsylvania, USA.
Background: Left bundle branch pacing (LBBP) provides stable pacing parameters and has been suggested as an alternative for right ventricular pacing and cardiac resynchronization therapy.
Objectives: The aim of the study was to assess the incidence and etiology of new-onset left ventricular dysfunction (NOLVD) following LBBP in patients with baseline normal left ventricular (LV) function and cardiomyopathy patients with normalized LV function.
Methods: Patients undergoing successful LBBP for symptomatic bradyarrhythmia or as an alternative to cardiac resynchronization therapy were included.
Cureus
August 2024
Electrophysiology, University of South Florida Morsani College of Medicine, Tampa, USA.
Cells
August 2024
School of Physiology, Pharmacology and Neuroscience, University of Bristol, Biomedical Sciences Building, University Walk, Bristol BS8 1TD, UK.
The atrioventricular node (AVN) is a key component of the cardiac conduction system and takes over pacemaking of the ventricles if the sinoatrial node fails. IP (inositol 1,4,5 phosphate) can modulate excitability of myocytes from other regions of the heart, but it is not known whether IP receptor (IP-R) activation modulates AVN cell pacemaking. Consequently, this study investigated effects of IP on spontaneous action potentials (APs) from AVN cells isolated from rabbit hearts.
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