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Jumping lumens, A case of mesenteric ischemia after thoracic endovascular aortic repair for type B aortic dissection.
J Vasc Surg Cases Innov Tech
April 2025
Atrium Health, Sanger Heart and Vascular Institute, Division of Vascular Surgery, Charlotte, NC.
We report a case of mesenteric ischemia after thoracic endovascular aortic repair (TEVAR) for chronic type B aortic dissection performed at a different institution. Computed tomography angiography findings indicated that the previous TEVAR had been deployed distally into the false lumen. To mitigate this, a large fenestration was created between the false lumen and true lumen.
View Article and Find Full Text PDFRedo mitral valve replacement with annular reconstruction of left atrial dissection following mitral valve replacement for infective endocarditis: a case report.
Gen Thorac Cardiovasc Surg Cases
January 2025
Department of Cardiovascular Surgery, Osaka General Medical Center, Osaka, 558-8558, Japan.
Background: Left atrial dissection is a rare and occasionally fatal complication of cardiac surgery and is defined as the creation of a false chamber through a tear in the mitral valve annulus extending into the left atrial wall. Some patients are asymptomatic, while others present with various symptoms, such as chest pain, dyspnea, and even cardiac arrest. Although there is no established management for left atrial dissection, surgery should be considered in patients with hemodynamic disruption.
View Article and Find Full Text PDFHigh-Field-Blinded Assessment of Portable Ultra-Low-Field Brain MRI for Multiple Sclerosis.
J Neuroimaging
January 2025
Translational Neuroradiology Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, USA.
Background And Purpose: MRI is crucial for multiple sclerosis (MS), but the relative value of portable ultra-low field MRI (pULF-MRI), a technology that holds promise for extending access to MRI, is unknown. We assessed white matter lesion (WML) detection on pULF-MRI compared to high-field MRI (HF-MRI), focusing on blinded assessments, assessor self-training, and multiplanar acquisitions.
Methods: Fifty-five adults with MS underwent pULF-MRI following their HF-MRI.
A preventable medical error: Successful management of iatrogenic Zenker's diverticulum perforation.
Int J Surg Case Rep
January 2025
Department of Thoracic Surgery, Damascus Hospital,Damascus, Syria.
Introduction And Significance: Zenker's diverticulum is a rare condition characterized by a false diverticulum, as a true diverticulum involves herniation of all wall layers outward. Dysphagia, difficulty in swallowing, is the most common symptom. Diagnosis is primarily made through X-ray studies using contrast material during swallowing.
View Article and Find Full Text PDFEvaluating a clinically available artificial intelligence model for intracranial aneurysm detection: a multi-reader study and algorithmic audit.
Neuroradiology
January 2025
Department of Radiology, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210002, Jiangsu, China.
Purpose: We aimed to validate a clinically available artificial intelligence (AI) model to assist general radiologists in the detection of intracranial aneurysm (IA) in a multi-reader multi-case (MRMC) study, and to explore its performance in routine clinical settings.
Methods: Two distinct cohorts of head CT angiography (CTA) data were assembled to validate an AI model. Cohort 1, comprising gold-standard consecutive CTA cases, was used in an MRMC study involving six board-certified general radiologists.
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