Incidental Magnetic Resonance Diffusion-Weighted Imaging–Positive Lesions Are Rare in Neurologically Asymptomatic Community-Dwelling Adults

  • Saima Batool
    From the Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada (S.B., R.F., E.E.S.); Department of Medicine, Population Health Research Institute, McMaster University and Hamilton Health Sciences, Hamilton, Ontario, Canada (M.O., M.S., S.I., K.T., J.D., S.R., S.Y.); Quebec Heart and Lung Institute, Laval University, Quebec, Canada (G.R.D., P.P.); Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada (S.A.L.); Division of Cardiology,...
  • Martin O’Donnell
    From the Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada (S.B., R.F., E.E.S.); Department of Medicine, Population Health Research Institute, McMaster University and Hamilton Health Sciences, Hamilton, Ontario, Canada (M.O., M.S., S.I., K.T., J.D., S.R., S.Y.); Quebec Heart and Lung Institute, Laval University, Quebec, Canada (G.R.D., P.P.); Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada (S.A.L.); Division of Cardiology,...
  • Mukul Sharma
    From the Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada (S.B., R.F., E.E.S.); Department of Medicine, Population Health Research Institute, McMaster University and Hamilton Health Sciences, Hamilton, Ontario, Canada (M.O., M.S., S.I., K.T., J.D., S.R., S.Y.); Quebec Heart and Lung Institute, Laval University, Quebec, Canada (G.R.D., P.P.); Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada (S.A.L.); Division of Cardiology,...
  • Shofiqul Islam
    From the Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada (S.B., R.F., E.E.S.); Department of Medicine, Population Health Research Institute, McMaster University and Hamilton Health Sciences, Hamilton, Ontario, Canada (M.O., M.S., S.I., K.T., J.D., S.R., S.Y.); Quebec Heart and Lung Institute, Laval University, Quebec, Canada (G.R.D., P.P.); Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada (S.A.L.); Division of Cardiology,...
  • Gilles R. Dagenais
    From the Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada (S.B., R.F., E.E.S.); Department of Medicine, Population Health Research Institute, McMaster University and Hamilton Health Sciences, Hamilton, Ontario, Canada (M.O., M.S., S.I., K.T., J.D., S.R., S.Y.); Quebec Heart and Lung Institute, Laval University, Quebec, Canada (G.R.D., P.P.); Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada (S.A.L.); Division of Cardiology,...
  • Paul Poirier
    From the Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada (S.B., R.F., E.E.S.); Department of Medicine, Population Health Research Institute, McMaster University and Hamilton Health Sciences, Hamilton, Ontario, Canada (M.O., M.S., S.I., K.T., J.D., S.R., S.Y.); Quebec Heart and Lung Institute, Laval University, Quebec, Canada (G.R.D., P.P.); Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada (S.A.L.); Division of Cardiology,...
  • Scott A. Lear
    From the Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada (S.B., R.F., E.E.S.); Department of Medicine, Population Health Research Institute, McMaster University and Hamilton Health Sciences, Hamilton, Ontario, Canada (M.O., M.S., S.I., K.T., J.D., S.R., S.Y.); Quebec Heart and Lung Institute, Laval University, Quebec, Canada (G.R.D., P.P.); Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada (S.A.L.); Division of Cardiology,...
  • Andreas Wielgosz
    From the Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada (S.B., R.F., E.E.S.); Department of Medicine, Population Health Research Institute, McMaster University and Hamilton Health Sciences, Hamilton, Ontario, Canada (M.O., M.S., S.I., K.T., J.D., S.R., S.Y.); Quebec Heart and Lung Institute, Laval University, Quebec, Canada (G.R.D., P.P.); Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada (S.A.L.); Division of Cardiology,...
  • Koon Teo
    From the Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada (S.B., R.F., E.E.S.); Department of Medicine, Population Health Research Institute, McMaster University and Hamilton Health Sciences, Hamilton, Ontario, Canada (M.O., M.S., S.I., K.T., J.D., S.R., S.Y.); Quebec Heart and Lung Institute, Laval University, Quebec, Canada (G.R.D., P.P.); Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada (S.A.L.); Division of Cardiology,...
  • Grant Stotts
    From the Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada (S.B., R.F., E.E.S.); Department of Medicine, Population Health Research Institute, McMaster University and Hamilton Health Sciences, Hamilton, Ontario, Canada (M.O., M.S., S.I., K.T., J.D., S.R., S.Y.); Quebec Heart and Lung Institute, Laval University, Quebec, Canada (G.R.D., P.P.); Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada (S.A.L.); Division of Cardiology,...
  • Cheryl R. McCreary
    From the Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada (S.B., R.F., E.E.S.); Department of Medicine, Population Health Research Institute, McMaster University and Hamilton Health Sciences, Hamilton, Ontario, Canada (M.O., M.S., S.I., K.T., J.D., S.R., S.Y.); Quebec Heart and Lung Institute, Laval University, Quebec, Canada (G.R.D., P.P.); Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada (S.A.L.); Division of Cardiology,...
  • Richard Frayne
    From the Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada (S.B., R.F., E.E.S.); Department of Medicine, Population Health Research Institute, McMaster University and Hamilton Health Sciences, Hamilton, Ontario, Canada (M.O., M.S., S.I., K.T., J.D., S.R., S.Y.); Quebec Heart and Lung Institute, Laval University, Quebec, Canada (G.R.D., P.P.); Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada (S.A.L.); Division of Cardiology,...
  • Jane DeJesus
    From the Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada (S.B., R.F., E.E.S.); Department of Medicine, Population Health Research Institute, McMaster University and Hamilton Health Sciences, Hamilton, Ontario, Canada (M.O., M.S., S.I., K.T., J.D., S.R., S.Y.); Quebec Heart and Lung Institute, Laval University, Quebec, Canada (G.R.D., P.P.); Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada (S.A.L.); Division of Cardiology,...
  • Sumathy Rangarajan
    From the Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada (S.B., R.F., E.E.S.); Department of Medicine, Population Health Research Institute, McMaster University and Hamilton Health Sciences, Hamilton, Ontario, Canada (M.O., M.S., S.I., K.T., J.D., S.R., S.Y.); Quebec Heart and Lung Institute, Laval University, Quebec, Canada (G.R.D., P.P.); Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada (S.A.L.); Division of Cardiology,...
  • Salim Yusuf
    From the Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada (S.B., R.F., E.E.S.); Department of Medicine, Population Health Research Institute, McMaster University and Hamilton Health Sciences, Hamilton, Ontario, Canada (M.O., M.S., S.I., K.T., J.D., S.R., S.Y.); Quebec Heart and Lung Institute, Laval University, Quebec, Canada (G.R.D., P.P.); Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada (S.A.L.); Division of Cardiology,...
  • Eric E. Smith
    From the Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada (S.B., R.F., E.E.S.); Department of Medicine, Population Health Research Institute, McMaster University and Hamilton Health Sciences, Hamilton, Ontario, Canada (M.O., M.S., S.I., K.T., J.D., S.R., S.Y.); Quebec Heart and Lung Institute, Laval University, Quebec, Canada (G.R.D., P.P.); Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada (S.A.L.); Division of Cardiology,...

抄録

<jats:sec><jats:title>Background and Purpose—</jats:title><jats:p>Incidental magnetic resonance diffusion-weighted imaging (DWI)–positive lesions, considered to represent small acute infarcts, have been detected in patients with cerebral small vessel diseases or cognitive impairment, but the prevalence in the community population is unknown.</jats:p></jats:sec><jats:sec><jats:title>Methods—</jats:title><jats:p>DWI sequences collected in 793 participants in the Prospective Urban Rural Epidemiological (PURE) study were reviewed for DWI lesions consistent with small acute infarcts.</jats:p></jats:sec><jats:sec><jats:title>Results—</jats:title><jats:p>No DWI-positive lesions were detected (0%, 95% confidence interval, 0–0.5).</jats:p></jats:sec><jats:sec><jats:title>Conclusions—</jats:title><jats:p>DWI-positive lesions are rare in an asymptomatic community population. The prevalence of DWI-positive lesions in the community seems to be lower than in patients with cerebral amyloid angiopathy, intracerebral hemorrhage, or cognitive impairment.</jats:p></jats:sec>

収録刊行物

  • Stroke

    Stroke 45 (7), 2115-2117, 2014-07

    Ovid Technologies (Wolters Kluwer Health)

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