ArticlePediatric cardiology2025
Left Ventricular Diastolic Function in Children with Atrial Septal Defects Improves After Closure by Means of Increased Hydraulic Force.
Article in Pediatric cardiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Exploring Biomarkers in Congenital Heart Disease: A Case-Control Study of ST2 in Children with Atrial Septal Defects.International journal of molecular sciences · 2026Article
- Exercise cardiovascular magnetic resonance shows improved diastolic filling by atrioventricular area difference in athletes and controls.Journal of applied physiology (Bethesda, Md. : 1985) · 2024Article
- Closure of atrial septal defect normalizes left and right ventricular hemodynamic forces in children and adolescents.Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic ResonanceArticle
- Hydraulic forces assist left ventricular filling in aortic stenosis at baseline and after valve replacement.Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic ResonanceObservational
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Authors and funding
6 authors.
Funding
Abstract
Hydraulic force aids diastolic filling of the left ventricle (LV) by facilitating basal movement of the atrioventricular plane. The short-axis atrioventricular area difference (AVAD) determines direction and magnitude of this force. Patients with atrial septal defect (ASD) have reduced LV filling due to the left-to-right shunt across the atrial septum and thus potentially altered hydraulic force. The aims were therefore to use cardiac magnetic resonance images to assess whether AVAD and thus the hydraulic force differ in children with ASD compared to healthy children, and if it improves after ASD closure. Twenty-two children with ASD underwent cardiac magnetic resonance before ASD closure. Of these 22 children, 17 of them repeated their examination also after ASD closure. Twelve controls were included. Left atrial and ventricular areas were delineated in short-axis images, and AVAD was defined as the largest ventricular area minus the largest atrial area at each time frame and normalized to body height (AVADi). At end diastole AVADi was positive in all participants, suggesting a force acting towards the atrium assisting the diastolic movement of the atrioventricular plane; however, lower in children both before (6.3 cm
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Registered trials
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