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KMID : 0359720150330010033
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Journal of the Korean Neurological Association
2015 Volume.33 No. 1 p.33 ~ p.35
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Recurrent Transient Global Amnesia in a Hot and Humid Machinery Room
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Mim Kyung-Hyun
Kim Ji-Seon
Lee Sang-Soo
Lee Sung-Hyun
Shin Dong-Ick
Choi Seo-Young
Yeo Min-Ju
Kim In-Ha
Yang Se-Jin
Kim Jin-Hyun
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Abstract
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Transient global amnesia (TGA) is characterized by abrupt onset temporary dysfunction of anterograde and retrograde amnesia without other neurologic deficits. We encountered a 53-year-old man who developed recurrent TGA while working in a hot and humid machinery room (33oC and 64% relative humidity). Heat exposure and physical exertion may facilitate the leakage of cytokines into the systemic circulation so as to cause a cerebral endothelial insult. Functional insufficiency of the hippocampus and its connections caused by physical and environmental factors may be related to recurrent attacks.
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KEYWORD
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Transient global amnesia, Diffusion-weighted MRI, Hot and humid condition
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