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Quantification of the Pulmonary Vasculature in Mice under Chronic Hypoxia with Contrast Free Pulmonary Angiography In Vivo Imaging.
J Appl Physiol (1985)
December 2024
Cleveland Clinic, Cleveland, OH, USA.
Innovative advancements in preclinical imaging have led to the development of cone-beam computed tomography (CBCT) combined with contrast free pulmonary angiography (CFPA), a novel lung scanning technology capable of assessing lung function and pulmonary vascular morphology. This cutting-edge approach integrates CBCT to provide detailed quantification of the pulmonary vascular tree. The application of this technique to image and quantify changes in the pulmonary vascular tree of mice exposed to chronic hypoxia has not been investigated.
View Article and Find Full Text PDFIndocyanine Green Angiography for Real-time Evaluation of Nasoseptal Flap Vascularity and Perfusion.
Laryngoscope
December 2024
Division of Neurosurgery, Department of Surgery, Faculty of Medicine, Thammasat University Hospital, Thammasat University, Pathumthani, Thailand.
Objectives: To investigate the characteristics of the vascular pedicle of the nasoseptal flap (NSF) and its perfusion patterns using intraoperative indocyanine green (ICG) angiography during endoscopic skull base surgery (ESBS), and examine the correlation between ICG perfusion patterns and clinical outcomes, including postoperative cerebrospinal fluid (CSF) leak and flap necrosis.
Methods: This study enrolled patients undergoing ESBS between January 2017 and December 2021. Intraoperative ICG angiography was performed to visualize the arterial supply of the nasal septum and evaluate NSF perfusion.
Background: Cerebral ischemia or stroke is the second leading cause of death in the world, and most surviving patients suffer from long-term physical and cognitive disabilities, which create many social and economic problems for them and society. Visual attention impairment is a common cognitive complication among patients with cerebral ischemia, especially in the Middle Cerebral Artery (MCA). One way to improve attention in these patients is cognitive rehabilitation.
View Article and Find Full Text PDFVision recovery after ocular massage for cosmetic filler-induced ophthalmic artery occlusion.
Am J Ophthalmol Case Rep
December 2024
Shiley Eye Institute, University of California San Diego, San Diego, CA, USA.
Purpose: To report a case of vision recovery after ocular massage for cosmetic filler-induced ophthalmic artery occlusion.
Observations: A 58-year-old female experienced acute loss of vision of the left eye, left ptosis, and left glabellar skin discoloration immediately after cosmetic filler injection, suggestive of occlusion of the branches of the ophthalmic artery. Highly aggressive, prolonged ocular massage was initiated soon after and followed by a substantial recovery of vision.
Two Cases of Menkes Disease With Similar Intracranial Arterial Tortuosity on Brain Magnetic Resonance Imaging.
Cureus
November 2024
Department of Radiology, Kyorin University, Faculty of Medicine, Tokyo, JPN.
Menkes disease is an X-linked recessive genetically inherited metabolic disease caused by an ATP7A gene abnormality that gives rise to impaired copper absorption. Copper deficiency causes symptoms such as characteristic abnormalities in the hair and vascular disorders. Brain MRI findings include a high-signal intensity in the temporal lobe white matter on T2-weighted images and delayed myelination.
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