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Fluid-structure-growth modeling in ascending aortic aneurysm: capability to reproduce a patient case.
Biomech Model Mechanobiol
January 2025
CNRS, LaMCoS, UMR5259, INSA Lyon, 69621, Villeurbanne, France.
Predicting the evolution of ascending aortic aneurysm (AscAA) growth is a challenge, complicated by the intricate interplay of aortic geometry, tissue behavior, and blood flow dynamics. We investigate a flow-structural growth and remodeling (FSG) model based on the homogenized constrained mixture theory to simulate realistic AscAA growth evolution. Our approach involves initiating a finite element model with an initial elastin insult, driven by the distribution of Time-Averaged Wall Shear Stress (TAWSS) derived from computational fluid dynamics simulations.
View Article and Find Full Text PDFAdrenal gland size in fetuses with congenital heart disease.
J Perinat Med
January 2025
Department of Obstetrics and Gynecology, University Hospital of Münster, Münster, Germany.
Objectives: The aim of this study was to compare the adrenal gland size of fetuses with congenital heart diseases (CHD) and normal fetuses.
Methods: In this cross-sectional prospective study we measured the fetal adrenal gland size (total width, cortex width, medulla width, adrenal gland ratio of total width divided by medulla width) in 62 fetuses with CHD and 62 gestational-age-matched controls between 20 + 0 and 39 + 3 weeks of gestation. First, we clustered three CHD subgroups: CHD group_1 with a normal outflow tract (n=7), CHD group_2 with an altered outflow tract and anterograde flow in the ascending aorta (n=39) and CHD group_3 with an altered outflow tract and retrograde flow in the ascending aorta (n=16).
The anomalous aortic origin of a coronary artery is a rare congenital condition characterized by deviations in the origin, course, or size of coronary arteries. Among these, the anomalous aortic origin of the right coronary artery is a less common variant, particularly when originating from the ascending aorta above the sinotubular junction.
View Article and Find Full Text PDFDiagnostic value of selected fetal echocardiographic parameters in the prenatally suspected bicuspid aortic valve.
Echo Res Pract
January 2025
Echocardiography Medical Center, Beijing Anzhen Hospital, Capital Medical University, 2 Anzhen Road, Chaoyang District, Beijing, 100029, China.
Objective: To explore the diagnostic value of crucial parameters of echocardiography for fetal bicuspid aortic valve (BAV) and improve diagnostic accuracy.
Methods: Fetuses with a prenatal suspected diagnosis of BAV were followed, and confirmed and misdiagnosed cases were obtained. Prenatal echocardiography was reviewed and analyzed.
Adult congenital aortic coarctation complicated by acute type a aortic intramural hematoma treated with a staged hybrid technique: a case report.
J Cardiothorac Surg
January 2025
Department of Cardiovascular Surgery, Qingdao Municipal Hospital, Qingdao, 266000, China.
Background: Coarctation of the aorta (CoA) in adults is rare. usually combined with dilatation of the ascending aorta. Further disease progression complicated by hematoma or dissection of the ascending aorta is even more complicated and dangerous.
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