What is the prognosis of EEG triphasic waves?

Updated: Sep 24, 2018
  • Author: Kalyani Korabathina, MD; Chief Editor: Tarakad S Ramachandran, MBBS, MBA, MPH, FAAN, FACP, FAHA, FRCP, FRCPC, FRS, LRCP, MRCP, MRCS  more...
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  • The prognosis depends on the underlying etiology, but several consecutive series of patients have reported high mortality rates (30-100%).

  • Mortality rates may be as high as that observed in burst-suppression patterns.

  • Whether EEG reactivity or background rhythm can help predict the outcome of TWE remains disputed.

  • Only patients with a single, reversible problem causing TWE tend to return to normal function.

  • No reports exist in the literature of patients with TWE who survived anoxic injury.

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