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Total 20 results found since Jan 2013.

Non-calcified active atherosclerosis plaque detection with 18F-NaF and 18F-FDG PET/CT dynamic imaging
This study was aimed to assess the behavior of 18F-sodium fluoride (18F-NaF) and 18F-fluorodeoxyglucose (18F-FDG) uptake in the aorta and iliac arteries as a function of plaque density on CT images. We report metabolically active artery plaques associated to inflammation in the absence of calcification. 18 elderly volunteers were recruited and imaged with computed tomography (CT) and positron emission tomography (PET) with 18F-NaF and 18F-FDG. A total of 1338 arterial segments were analyzed, 766 were non-calcified and 572 had calcifications. For both 18F-NaF and 18F-FDG, the mean SUV values were found statistically signifi...
Source: Atherosclerosis - January 30, 2023 Category: Cardiology Authors: Abdelillah Douhi Mamdouh S Al-Enezi Nousra Berrahmoune Abdelouahed Khalil Tamas Fulop Michel Nguyen Eric Turcotte Étienne Croteau M'hamed Bentourkia Source Type: research

Common carotid segmentation in < sup > 18 < /sup > F-sodium fluoride PET/CT scans: head-to-head comparison of artificial intelligence-based and manual method
CONCLUSIONS: CNN-based segmentation was much faster and provided SUVmean values virtually identical to manually obtained ones, suggesting CNN-based analysis as a promising substitute of slow and cumbersome manual processing. This article is protected by copyright. All rights reserved.PMID:36331059 | DOI:10.1111/cpf.12793
Source: Atherosclerosis - November 4, 2022 Category: Cardiology Authors: Reza Piri Yaran Hamakan Ask Vang Lars Edenbrandt M åns Larsson Olof Enqvist Oke Gerke Poul Flemming H øilund-Carlsen Source Type: research

Ocular Migraine With Amaurosis Fugax of the Left Eye: A Case Report
Cureus. 2022 Aug 22;14(8):e28272. doi: 10.7759/cureus.28272. eCollection 2022 Aug.ABSTRACTIn amaurosis fugax, there is a sudden loss of vision in one eye. Patients gain their vision after a few minutes. The most common underlying cause is atherosclerosis of the internal carotid artery. Other underlying causes include vasospasm of the internal carotid artery, which leads to hypoperfusion and is seen in vasculitis, ocular migraines, and systemic lupus erythematosus. In this case study, a 44-year-old male with a past medical history of migraine with aura presented to the emergency room with transient vision loss in the left e...
Source: Atherosclerosis - September 26, 2022 Category: Cardiology Authors: Faria Tazin Harendra Kumar Muhammad A Israr Camille Celeste Go Source Type: research

Thoracic Aortic < sup > 18 < /sup > F-Sodium Fluoride Activity and Ischemic Stroke in Patients With Established Cardiovascular Disease
CONCLUSIONS: In patients with established cardiovascular disease, thoracic aortic 18F-sodium fluoride activity is associated with the progression of atherosclerosis and future ischemic stroke. Arterial 18F-sodium fluoride activity identifies localized areas of atherosclerotic disease activity that are directly linked to disease progression and downstream regional clinical atherothrombotic events. (DIAMOND - Dual Antiplatelet Therapy to Reduce Myocardial Injury [DIAMOND], NCT02110303; Study Investigating the Effect of Drugs Used to Treat Osteoporosis on the Progression of Calcific Aortic Stenosis [SALTIRE II], NCT02132026; ...
Source: Atherosclerosis - February 20, 2022 Category: Cardiology Authors: Alexander J Fletcher Yong Y Tew Evangelos Tzolos Shruti S Joshi Jakub Kaczynski Jennifer Nash Samuel Debono Maria Lembo Jacek Kwiecinski Rong Bing Maaz B J Syed Mhairi K Doris Edwin J R van Beek Alistair J Moss William S Jenkins Niki L Walker Nikhil V Jos Source Type: research

Two-year change in 18F-sodium fluoride uptake in the carotid arteries of healthy subjects and angina pectoris patients
Conclusions: Slightly higher NaF uptake in the angina group indicated more ongoing carotid microcalcification at both time points in patients than in healthy subjects. The 2-year changes were very small in both groups, albeit with a tendency of slight decreases among healthy controls, suggesting a more dynamic, waxing and waning, process in these compared to a slow, but more consistent, progression in angina patients despite statin therapy in half of these.
Source: Journal of Nuclear Medicine - May 18, 2021 Category: Nuclear Medicine Authors: Piri, R., Lici, G., Riyahimanesh, P., Gerke, O., Alavi, A., Flemming Hoilund-Carlsen, P. Tags: Clinical Science Source Type: research

Quantifying microcalcification activity in the thoracic aorta
ConclusionsAMA is a simple, rapid and reproducible method of quantifying global18F-NaF uptake across the ascending aorta and aortic arch that correlates with cardiovascular risk scores.
Source: Journal of Nuclear Cardiology - January 20, 2021 Category: Nuclear Medicine Source Type: research

Nonconvulsive Status Epilepticus With Neuropsychological Symptoms: Two Case Reports
We report two such cases. Case 1, a 62-year-old man with a history of a subcortical hemorrhage in the right lateral temporal lobe and a brain infarct in the left medial temporo-occipital lobes, suddenly developed left unilateral spatial neglect and visual object agnosia. Diffusion-weighted imaging indicated status epilepticus, not stroke. His deficits resolved immediately after treatment with diazepam and phenytoin sodium. Case 2, a 61-year-old man with a history of brain infarcts in the right lateral temporal and left medial temporo-occipital lobes, suddenly developed global aphasia and cortical deafness. An MRI revealed ...
Source: Cognitive and Behavioral Neurology - December 1, 2020 Category: Neurology Tags: Case Reports Source Type: research

Retrospective Assessment of Desmopressin Effectiveness and Safety in Patients With Antiplatelet-Associated Intracranial Hemorrhage*
Conclusions: DDAVP was associated with a decreased likelihood of intracranial hemorrhage expansion during the first 24 hours. DDAVP administration did not significantly affect serum sodium and thrombotic events during the study period.
Source: Critical Care Medicine - November 16, 2019 Category: Emergency Medicine Tags: Neurologic Critical Care Source Type: research

Ability to Suppress TGF- β-Activated Myofibroblast Differentiation Distinguishes the Anti-pulmonary Fibrosis Efficacy of Two Danshen-Containing Chinese Herbal Medicine Prescriptions
Conclusion: This study suggests that a clinically efficacious cardiovascular Chinese herbal medicine (DLP) can be successfully repurposed to treat a lung disease in pulmonary fibrosis guided by TCM theory. Our comparative study between DLP and DHP demonstrated a critical requirement of suppressing both pro-inflammatory and pro-fibrotic pathways for the treatment of pulmonary fibrosis, supporting that a multi-component prescription capable of “removing both phlegm and blood stasis” will better achieve co-protection of heart and lung in PHD. Introduction Idiopathic pulmonary fibrosis (IPF) is a chronic ...
Source: Frontiers in Pharmacology - April 23, 2019 Category: Drugs & Pharmacology Source Type: research

Shengui Sansheng San Ameliorates Cerebral Energy Deficiency via Citrate Cycle After Ischemic Stroke
Conclusion In summary, SSS extraction significantly ameliorates cerebral energy metabolism via boosting citrate cycle, which mainly embodies the enhancements of blood glucose concentration, glucose and lactate transportation and glucose utilization, as well as the regulations of relative enzymes activities in citrate cycle. These ameliorations ultimately resulted in numerous ATP yield after stroke, which improved neurological function and infarcted volume. Collectively, it suggests that SSS extraction has exerted advantageous effect in the treatment of cerebral ischemia. Ethics Statement All animal operations were accor...
Source: Frontiers in Pharmacology - April 22, 2019 Category: Drugs & Pharmacology Source Type: research

Acute Management of Ischemic Stroke During Pregnancy.
Abstract Acute stroke in pregnancy can be devastating. Although neurologists will at some point be involved in the management, most of these patients are likely to first be evaluated by an obstetric care provider. It is, therefore, important for obstetric care providers to have an understanding of the presentation and management of stroke, particularly in the initial period when the window of opportunity for therapy is critical. Once suspected, a head computed tomography (CT) without contrast media should be performed without delay to rule out a hemorrhagic component. Patients presenting within 4.5 hours of sympto...
Source: Obstetrics and Gynecology - April 4, 2019 Category: OBGYN Authors: Pacheco LD, Hankins GDV, Saad AF, Saade GR Tags: Obstet Gynecol Source Type: research