What are the prognostic factors of basilar artery thrombosis?

Updated: Jan 11, 2019
  • Author: Salvador Cruz-Flores, MD, MPH, FAHA, FCCM, FAAN, FACP, FANA; Chief Editor: Helmi L Lutsep, MD  more...
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The prognosis for basilar artery occlusion is generally poor, with the mortality rate for this condition consistently reported at greater than 70%. However, the prognosis depends on several factors, including the following [2] :

  • Decreased level of consciousness

  • Dysarthria

  • Pupillary abnormalities

  • Bulbar symptoms

  • Diplopia

  • Bilateral cerebellar lesions

  • Tetraplegia

  • Cardiac cause of embolism

Up to 90% of patients with no such factors have a good functional outcome, while in one study, all patients with such factors either died or had severe disability. [2]

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