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A preliminary ex vivo diffusion tensor imaging study of distinct aortic morphologies.
J Anat
January 2025
Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland.
Changes in the microstructure of the aortic wall precede the progression of various aortic pathologies, including aneurysms and dissection. Current clinical decisions with regards to surgical planning and/or radiological intervention are guided by geometric features, such as aortic diameter, since clinical imaging lacks tissue microstructural information. The aim of this proof-of-concept work is to investigate a non-invasive imaging method, diffusion tensor imaging (DTI), in ex vivo aortic tissue to gain insights into the microstructure.
View Article and Find Full Text PDFInterventricular septal dissection secondary to acute inferior myocardial infarction: case series and literature review.
J Cardiothorac Surg
January 2025
Echocardiography and Vascular Ultrasound Center, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Road, Hangzhou, 310003, China.
Background: Interventricular septal dissection is a critical disease characterized by the separation of the intraventricular septum into two layers, forming an intermediate layer with a cystic cavity that communicates with the root of the aorta or ventricle. It has low morbidity and high mortality rates.
Case Presentation: Case 1: A 58-year-old male with a history of hypertension and smoking presented to a local hospital due to chest tightness and pain for 4 days.
Introducing the Caliber-Flow Status Scale (CFSS): a novel tool for assessing covered cortical branch status after flow diverter treatment of middle cerebral artery aneurysms.
J Neurointerv Surg
January 2025
Neuroradiology, Université Reims-Champagne-Ardenne, Hôpital Maison Blanche, Reims, France
Background: This study assessed caliber and flow changes of covered cortical middle cerebral artery (MCA) branches using the new Caliber-Flow Status Scale (CFSS), postoperative diffusion-weighted imaging (DWI) lesions, and clinical outcome following flow diverter (FD) treatment of MCA aneurysms.
Methods: This single-center retrospective study collected data from patients treated with FD between January 2016 and March 2024, including patient characteristics, aneurysm features, postoperative DWI lesions, and clinical outcomes. Vessel status was assessed using CFSS: 1a (normal caliber and flow), 1b (normal caliber, reduced flow), 2a (reduced caliber, normal flow), 2b (reduced caliber and flow), and 3 (occlusion).
Tetralogy of Fallot with absent pulmonary valve syndrome and severe diffuse tracheobronchomalacia in an infant: the value of modified Lecompte manoeuver and reduction pulmonary arterioplasty.
Multimed Man Cardiothorac Surg
January 2025
Maria Fareri Children's Hospital, Westchester Medical Center, Valhalla, NY, USA.
An 8-week-old, 3.4-kg infant, who was diagnosed prenatally with tetralogy of Fallot and absent pulmonary valve syndrome, was intubated after birth and failed extubation due to severe tracheobronchomalacia. He was deemed inoperable prior to being transferred to our institution.
View Article and Find Full Text PDFThree-dimensional assessment of ascending aortic stiffness, motion, and growth in ascending thoracic aortic aneurysm.
Eur Heart J Imaging Methods Pract
January 2025
Department of Radiology, University of Michigan, 1500 E Medical Center Drive, CVC 5581, Ann Arbor, MI 48109, USA.
Aims: Aortic wall stiffening in ascending thoracic aortic aneurysm (aTAA) is common. However, the spatial and temporal relationships between stiffness, aortic size, and growth in aTAA remain unclear.
Methods And Results: In this single-centre retrospective study, we utilized vascular deformation mapping to extract multi-directional aortic motion, aortic distensibility, and aortic growth in a multi-planar fashion from multi-phasic ECG-gated computed tomography angiograms.
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