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Silent embolic infarcts on computed tomography brain scans and risk of ipsilateral hemispheric events in patients with asymptomatic internal carotid artery.

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Presentation on theme: "Silent embolic infarcts on computed tomography brain scans and risk of ipsilateral hemispheric events in patients with asymptomatic internal carotid artery."— Presentation transcript:

1 Silent embolic infarcts on computed tomography brain scans and risk of ipsilateral hemispheric events in patients with asymptomatic internal carotid artery stenosis  Stavros K. Kakkos, MD, MSc, PhD, RVT, Michael Sabetai, MD, FRCS, Thomas Tegos, MD, PhD, John Stevens, MB, BS, Dafydd Thomas, MA, MD, FRCP, Maura Griffin, MSc, PhD, George Geroulakos, FRCS, PhD, Andrew N. Nicolaides, MS, FRCS, PhD (Hon)  Journal of Vascular Surgery  Volume 49, Issue 4, Pages (April 2009) DOI: /j.jvs Copyright © 2009 The Society for Vascular Surgery Terms and Conditions

2 Fig 1 Typical examples of embolic infarction are shown, including (A) large cortical, (B) small cortical, (C) subcortical, and (D) basal ganglia infarct. Arrows show the corresponding brain infarct. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 The Society for Vascular Surgery Terms and Conditions

3 Fig 2 Ipsilateral hemispheric neurologic event-free rate is shown in 462 patients with 60% to 99% carotid artery stenosis in relation to“embolic” infarction on computed tomography (CT) brain scanning. The number of patients at risk at each interval is shown at the bottom of the figure. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 The Society for Vascular Surgery Terms and Conditions

4 Fig 3 Stroke-free rate is shown in 462 patients with 60% to 99% carotid artery stenosis in relation to “embolic” infarction on computed tomography (CT) brain scanning. The number of patients at risk at each interval is shown at the bottom of the figure. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 The Society for Vascular Surgery Terms and Conditions

5 Fig 4 Ipsilateral hemispheric transient ischemic attack (TIA) and stroke-free rate are shown in 216 patients with moderate (60% to 79%) carotid artery stenosis in relation to “embolic” infarction on computed tomography (CT) brain scanning. The number of patients at risk at each interval is shown at the bottom of the figure. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 The Society for Vascular Surgery Terms and Conditions

6 Fig 5 Ipsilateral hemispheric event-free rate is shown in 462 patients with 60% to 99% carotid artery stenosis in relation to “embolic” infarction, “non-embolic” infarction, and normal findings on computed tomography (CT) brain scanning. No difference between the last two groups was found. The number of patients at risk at each interval is shown at the bottom of the figure. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 The Society for Vascular Surgery Terms and Conditions

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