Transient global amnesia after general anaesthesia

Revista española de anestesiología y reanimación
J GalipienzoJ Olarra

Abstract

Transient global amnesia is a neurological syndrome in which there is a sudden and brief inability to form new memories, as well as an intense retrograde amnesia. However, awareness, personal identity and attention remain intact. It is an uncommon condition seen after an anaesthetic procedure. There are several aetiopathogenic hypotheses (epileptic, migrainous or ischaemic origin) and triggering factors (pain, anxiety, temperature changes, exercise, Valsalva manoeuvres, diagnostic tests or certain drugs). We describe the case of a patient with a high level of pre-operative anxiety who suffered an episode of transient global amnesia after undergoing otolaryngology surgery. With an acute and continued amnesia after general anaesthesia, the first thing that must be done is to establish a suitable differencial diagnosis, which should include transient global amnesia, as this is mainly an exclusion diagnosis. Preoperative anxiety may be a triggering factor to take into account in this condition, with anxiolytic treatment prior to the surgery being important.

References

Oct 1, 1990·Journal of Neurology, Neurosurgery, and Psychiatry·J R Hodges, C P Warlow
Mar 27, 2001·The International Journal of Neuroscience·J KesslerW D Heiss
Aug 24, 2005·Anesthesia and Analgesia·Ryan J BortolonJuraj Sprung
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