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Dilatory responsiveness of the internal carotid artery to shear stimulus is constant under different levels of transient hypercapnia.
J Appl Physiol (1985)
December 2024
School of Health Science, Sapporo Medical University, Sapporo, Japan.
Peripheral endothelial function, which accounts for the variability in shear stimulus, can be assessed using shear-mediated dilation normalized to the increased shear stimulus. Similarly, shear-mediated dilation of the internal carotid artery (ICA), an index of cerebrovascular endothelial function, should be normalized to increased shear stimulus. However, this approach has not yet been validated.
View Article and Find Full Text PDFThe clinical significance and burden of thyroid nodules discovered incidentally.
Ir J Med Sci
December 2024
School of Medicine, University College of Cork, Cork, Ireland.
Background: The majority of thyroid nodules are benign; however current guidelines suggest that thyroid incidentalomas should be appropriately evaluated to rule out malignancy.
Aims: This study aims to determine the incidence of thyroid incidentalomas and the likelihood that they harbour sinister pathology in the largest Irish cohort studied to-date.
Methods: A retrospective observational chart review was conducted using data from July 2018 to December 2018 using the Radiology Database in use at Cork University Hospital.
Topological functional network analysis of cortical blood flow in hyperacute ischemic rats.
Brain Struct Funct
December 2024
The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Laboratory for Neuroinformation, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 611731, China.
Acute cerebral ischemia alters brain network connectivity, leading to notable increases in both anatomical and functional connectivity while observing a reduction in metabolic connectivity. However, alterations of the cerebral blood flow (CBF) based functional connectivity remain unclear. We collected continuous CBF images using laser speckle contrast imaging (LSCI) technology to monitor ischemic occlusion-reperfusion progression through occlusion of the left carotid artery.
View Article and Find Full Text PDFRegression of bilateral persistent primitive ophthalmic artery: a case report.
Surg Radiol Anat
December 2024
Department of Neurosurgery, Nagoya University of Graduate School of Medicine, Tsurumai-Cho 65, Showa-Ku, Nagoya, Aichi, Japan.
Purpose: We report a case of regression of a 2-year-old girl with bilateral primitive ophthalmic arteries (POAs).
Case Report: The patient presented with a headache and had no visual impairment or visual field abnormalities. Magnetic resonance angiography (MRA) revealed arteries originating bilaterally from the cavernous internal carotid artery segments, diagnosed as persistent POAs.
Corrigendum: Evaluation of carotid artery elasticity and its influencing factors in non-obese PCOS patients using a technique for quantitative vascular elasticity measurement.
Front Endocrinol (Lausanne)
December 2024
Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
[This corrects the article DOI: 10.3389/fendo.2024.
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