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Automatic Segmentation and Assessment of Valvular Regurgitations with Color Doppler Echocardiography Images: A VABC-UNet-Based Framework.
Bioengineering (Basel)
November 2023
School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China.
This study investigated the automatic segmentation and classification of mitral regurgitation (MR) and tricuspid regurgitation (TR) using a deep learning-based method, aiming to improve the efficiency and accuracy of diagnosis of valvular regurgitations. A VABC-UNet model was proposed consisting of VGG16 encoder, U-Net decoder, batch normalization, attention block and deepened convolution layer based on the U-Net backbone. Then, a VABC-UNet-based assessment framework was established for automatic segmentation, classification, and evaluation of valvular regurgitations.
View Article and Find Full Text PDFT Waves May Not Be What They Seem!
JACC Case Rep
April 2023
Service de Cardiologie, Centre Hospitalier Universitaire et Université de Tours, Chambray les Tours, France.
A 39-year-old women who received a transvenous dual-chamber pacemaker in childhood developed 20 years later severe tricuspid valve stenosis induced by the leads and worsened by a pseudo-pacemaker syndrome. ().
View Article and Find Full Text PDFState of the art of antenatal diagnosis and management of vein of Galen aneurysmal malformations.
Prenat Diagn
August 2022
Division of Obstetrics and Gynecology, Antoine Béclère Hospital, Paris Saclay University Hospitals, APHP, Clamart, France.
Vein of Galen aneurysmal malformation (VGAM) is a severe rare vascular anomaly whose prognosis depends on cerebral and cardiac consequences that can be hard to diagnose, let alone predict in utero. We performed an updated review to summarize current research on the genetics, ultrasound and MRI of VGAM that could help in the diagnosis and management of VGAM. Prenatal diagnosis of VGAM has greatly improved in recent years.
View Article and Find Full Text PDFLong-Term Outcomes of Left Ventricular Restoration in Patients Ineligible for Concomitant Coronary Artery Bypass Grafting.
Heart Surg Forum
May 2022
Department of Cardiac Surgery, Fuwai Hospital, National Center of Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
Background: The prognosis of severe coronary artery disease (CAD) patients undergoing left ventricular restoration (LVR) and ineligible for concomitant coronary artery bypass grafting (CABG) is unclear. This study illustrates the clinical characteristics and the long-term survival of these patients in a retrospective cohort.
Methods: From January 1999 to March 2021, a total of 78 patients underwent surgical left ventricular restoration without concomitant CABG at our center.
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