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Stroke imaging

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4 papers 0 to 25 followers
By Mauricio Salazar Neurólogo
https://www.readbyqxmd.com/read/26227434/incidence-outcome-risk-factors-and-long-term-prognosis-of-cryptogenic-transient-ischaemic-attack-and-ischaemic-stroke-a-population-based-study
#1
Linxin Li, Gabriel S Yiin, Olivia C Geraghty, Ursula G Schulz, Wilhelm Kuker, Ziyah Mehta, Peter M Rothwell
BACKGROUND: A third of transient ischaemic attacks (TIAs) and ischaemic strokes are of undetermined cause (ie, cryptogenic), potentially undermining secondary prevention. If these events are due to occult atheroma, the risk-factor profile and coronary prognosis should resemble that of overt large artery events. If they have a cardioembolic cause, the risk of future cardioembolic events should be increased. We aimed to assess the burden, outcome, risk factors, and long-term prognosis of cryptogenic TIA and stroke...
September 2015: Lancet Neurology
https://www.readbyqxmd.com/read/26148278/small-brain-lesions-and-incident-stroke-and-mortality-a-cohort-study
#2
B Gwen Windham, Bradley Deere, Michael E Griswold, Wanmei Wang, Daniel C Bezerra, Dean Shibata, Kenneth Butler, David Knopman, Rebecca F Gottesman, Gerardo Heiss, Thomas H Mosley
BACKGROUND: Although cerebral lesions 3 mm or larger on imaging are associated with incident stroke, lesions smaller than 3 mm are typically ignored. OBJECTIVE: To examine stroke risks associated with subclinical brain lesions (<3 mm only, ≥3 mm only, and both sizes) and white matter hyperintensities (WMHs). DESIGN: Community cohort from the ARIC (Atherosclerosis Risk in Communities) Study. SETTING: Two ARIC sites with magnetic resonance imaging (MRI) data from 1993 to 1995...
July 7, 2015: Annals of Internal Medicine
https://www.readbyqxmd.com/read/25977482/hyperintense-vessels-on-flair-hemodynamic-correlates-and-response-to-thrombolysis
#3
A Kufner, I Galinovic, V Ambrosi, C H Nolte, M Endres, J B Fiebach, M Ebinger
BACKGROUND AND PURPOSE: Hyperintense vessels on baseline FLAIR MR imaging of patients with ischemic stroke have been linked to leptomeningeal collateralization, yet the ability of these to maintain viable ischemic tissue remains unclear. We investigated whether hyperintense vessels on FLAIR are associated with the severity of hypoperfusion and response to thrombolysis in patients treated with intravenous tissue-plasminogen activator. MATERIALS AND METHODS: Consecutive patients with ischemic stroke with an MR imaging before and within 24 hours of treatment, with proved vessel occlusion and available time-to-maximum maps were included (n = 62)...
August 2015: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/23463579/carotid-plaque-hemorrhage-on-magnetic-resonance-imaging-strongly-predicts-recurrent-ischemia-and-stroke
#4
Akram A Hosseini, Neghal Kandiyil, Shane T S Macsweeney, Nishath Altaf, Dorothee P Auer
OBJECTIVE: There is a recognized need to improve selection of patients with carotid artery stenosis for carotid endarterectomy (CEA). We assessed the value of magnetic resonance imaging (MRI)-defined carotid plaque hemorrhage (MRIPH) to predict recurrent ipsilateral cerebral ischemic events, and stroke in symptomatic carotid stenosis. METHODS: One hundred seventy-nine symptomatic patients with ≥ 50% stenosis were prospectively recruited, underwent carotid MRI, and were clinically followed up until CEA, death, or ischemic event...
June 2013: Annals of Neurology
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