Recurrent Transient Global Amnesia – Four Case Reports

Česká verzia

Authors: A. Mitášová ¹; J. Bednařík ^1,2
Authors place of work: Neurologická klinika LF MU a FN Brno ¹; CEITEC – Středoevropský technologický institut, MU, Brno ²
Published in the journal: Cesk Slov Neurol N 2015; 78/111(5): 580-584
Category: Kazuistika

Summary

Transient global amnesia (TGA) is characterized by sudden onset of severe anterograde amnesia and absence of other focal neurological deficits. Although TGA is usually considered as monophasic disease, recurrence is not rare. Etiopathogenesis of recurrent cases has not yet been systematically evaluated. The aim of our study is to evaluate occurrence and pathophysiological factors of recurrent TGA. Within five years, 55 patients with TGA were admitted to our clinic, four of which (7.3%) presented with the recurrent form. All recurrent cases are presented as case reports. Our series showed that the incidence of recurrent TGA is not rare and, in our group (7.3%), corresponds to the reported data. Relapses can develop within several months up to several years after the first attack. Etiopathogenesis is probably the same as in non-recurrent forms of TGA. We considered possible association with migraine and vascular cardiac embolic origin. We did not find any association with epilepsy and the patient histories did not support familial occurrence.

Key words:
memory – transient global amnesia – transient ischemic attack – migraine

The authors declare they have no potential conflicts of interest concerning drugs, products, or services used in the study.

The Editorial Board declares that the manuscript met the ICMJE “uniform requirements” for biomedical papers.

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