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Virtual Monoenergetic Imaging of Thoracoabdominal Computed Tomography Angiography on Photon-Counting Detector Computertomography: Assessment of Image Quality and Leveraging Low-keV Series for Salvaging Suboptimal Contrast Acquisitions.
Diagnostics (Basel)
December 2024
Diagnostic and Interventional Radiology, University Hospital Augsburg, Faculty of Medicine, University of Augsburg, Stenglinstr. 2, 86156 Augsburg, Germany.
Background: The aim of this study was to assess the possibility of image improvement of ECG-gated, high-pitch computed tomography angiography (CTA) of the thoracoabdominal aorta before transaortic valve replacement (TAVR) on a novel dual-source photon-counting detector CT (PCD-CT) in the setting of suboptimal low-contrast attenuation.
Methods: Continuously examined patients who underwent an ECG-gated, high-pitch CTA of the aorta on a PCD-CT with a contrast decrease of at least 50% between the ascending aorta and the common femoral arteries (CFA) were included. Patient characteristics were documented.
Systolic Anterior Motion of the Mitral Valve Post-Heart Transplant Secondary to an Unusual Mechanism.
Cureus
November 2024
Department of General Surgery, University of Virginia, Charlottesville, USA.
In this case report, we discuss the critical interdependence of structure and function in demonstrating systolic anterior motion (SAM) of the mitral valve after repeat heart transplantation, where residual apical tissue of the explanted heart remained in place. The resulting conformational changes led to anterior displacement of the mitral valve and persistent SAM.
View Article and Find Full Text PDFThe Value of Repeat 5-HIAA Measurements as a Predictor of Carcinoid Heart Disease: A Prospective 5-Year Follow-Up Study in Patients with Small Intestinal Neuroendocrine Tumors.
Cancers (Basel)
November 2024
Endocrinology, Abdominal Center, Helsinki University Hospital and University of Helsinki, ENDO-ERN (European Reference Network on Rare Endocrine Conditions), 00280 Helsinki, Finland.
Small intestinal neuroendocrine tumors (SI-NETs) are characterized by carcinoid syndrome and carcinoid heart disease (CHD). The aim of the present study was to identify early risk markers for carcinoid heart disease and survival in a prospective median-term follow-up setting. We measured 5-HIAA and cumulative 5-HIAA exposure (Cum-5-HIAA) based on repeated measurements, proBNP, vascular function, hepatic tumor load, and transthoracic echocardiography (TTE) at baseline and during the median 5-year follow-up.
View Article and Find Full Text PDFPulmonary valve replacement and left pulmonary arterioplasty in repaired tetralogy of Fallot through left vertical axillary thoracotomy.
Indian J Thorac Cardiovasc Surg
January 2025
Department of Paediatric Cardiology, Fortis Paediatric and Congenital Heart Centre, Mulund, Mumbai India.
Different surgical approaches have been described for pulmonary valve replacement in patients with pulmonary regurgitation post tetralogy of Fallot repair-repeat median sternotomy, left anterior or antero-lateral thoracotomy, and left posterolateral thoracotomy. Every approach has its merits and drawbacks. In this case report, we describe a technique of pulmonary valve replacement and left pulmonary arterioplasty through left vertical axillary thoracotomy.
View Article and Find Full Text PDF[Diaphragmatic Plication and Pleuroperitoneal Shunt Placement for Refractory Pleural Effusion After Cardiac Surgery:Report of a Case].
Kyobu Geka
October 2024
Department of Cardiovascular Surgery, Saga-ken Medical Centre Koseikan, Saga, Japan.
When respiratory failure occurs due to intractable pleural effusion, frequent thoracentesis is necessary. We herein report a patient who underwent diaphragmoplasty and pleuroperitoneal shunt for refractory pleural effusion after cardiac surgery. The patient was an 82-year-old man with a history of tricuspid valve replacement for tricuspid regurgitation 9-years ago.
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