Secondary Stroke Prevention in Cryptogenic Stroke and Embolic Stroke of Undetermined Source (ESUS)

Hans Christoph Diener*, Richard Bernstein, Robert Hart

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

14 Scopus citations

Abstract

Purpose of the Review: The purpose of the study was to review the literature on cryptogenic stroke and embolic stroke of undetermined stroke (ESUS). Cryptogenic stroke according to TOAST criteria is a stroke which is not due to cardiogenic embolism, small vessel disease with lacunes or large vessel disease of brain supplying arteries. In the context of secondary stroke prevention studies, cryptogenic stroke is not operationally defined. Recent Findings: The new concept of “embolic stroke of undetermined source” (ESUS) provides an operational definition. ESUS is diagnosed as a non-lacunar stroke on cerebral imaging and exclusion of large vessel atherosclerosis by CTA, MRA or ultrasound. Cardiogenic embolism is made less likely by ECG monitoring and echocardiography. At present, aspirin is used for secondary stroke prevention in patients with cryptogenic stroke. Summary: Based on the construct that ESUS might be caused by undetected atrial fibrillation or other embolic mechanisms, ongoing randomised secondary stroke prevention trials are comparing non-vitamin K oral anticoagulants (NOACs) with aspirin.

Original languageEnglish (US)
Article number64
JournalCurrent neurology and neuroscience reports
Volume17
Issue number9
DOIs
StatePublished - Sep 1 2017

Keywords

  • Antiplatelet therapy
  • Cryptogenic stroke
  • Embolic stroke of undetermined source (ESUS)
  • Non-vitamin K oral anticoagulants
  • Secondary stroke prevention

ASJC Scopus subject areas

  • Neuroscience(all)
  • Clinical Neurology

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