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Letter to the Editor| Volume 352, ISSUE 1-2, P115-116, May 15, 2015

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Very prolonged capsular warning syndrome

Published:March 25, 2015DOI:https://doi.org/10.1016/j.jns.2015.03.023
      Capsular warning syndrome (CWS) was first described by Donnan in 1993 to describe recurrent stereotyped episodes of transient ischemic attacks (TIAs) that often lead to infarction in the corresponding anatomical location, usually in the lenticulostriate artery territory [
      • Donnan G.A.
      • O'Malley H.M.
      • Quang L.
      • Hurley S.
      • Bladin P.F.
      The capsular warning syndrome: pathogenesis and clinical features.
      ]. The mechanism is believed to be small single perforating artery disease. A hemodynamic ischemic process in the territory of the penetrating arteries caused by high-grade stenosis of proximal penetrating arteries due to microatherosclerosis has been postulated [
      • Donnan G.A.
      • O'Malley H.M.
      • Quang L.
      • Hurley S.
      • Bladin P.F.
      The capsular warning syndrome: pathogenesis and clinical features.
      ,
      • Lalive P.H.
      • Mayor I.
      • Sztajzel R.
      The role of blood pressure in lacunar strokes preceded by TIAs.
      ,
      • Caplan L.R.
      Intracranial branch atheromatous disease: a neglected, understudied, and underused concept.
      ]. The risk of developing a capsular stroke is considered to be high in patients with CWS [
      • Donnan G.A.
      • O'Malley H.M.
      • Quang L.
      • Hurley S.
      • Bladin P.F.
      The capsular warning syndrome: pathogenesis and clinical features.
      ,
      • Paul N.L.
      • Simoni M.
      • Chandratheva A.
      • Rothwell P.M.
      Population-based study of capsular warning syndrome and prognosis after early recurrent TIA.
      ].

      Keywords

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