What is the recurrence rate for transient global amnesia (TGA)?

Updated: Jul 27, 2018
  • Author: Roy Sucholeiki, MD; Chief Editor: Helmi L Lutsep, MD  more...
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As the name implies, transient global amnesia symptoms are transient.

The mean annual recurrence rate is thought to be low (approximately 4-5%). However, in the study by Miller et al, the calculated recurrence rate could be as high as 24% over a lifetime depending on inclusion criteria. [9] These occasional recurrences usually involve no long-term morbidity or death.

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