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KMID : 0359720190370020182
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Journal of the Korean Neurological Association
2019 Volume.37 No. 2 p.182 ~ p.185
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Spontaneous Repetitive Constriction and Dilatation of a Unilateral Pupil in a Brain Death Patient
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Chun Min-Young
Park Jin
Lee Seung-Yeop
Lee Chan-Young
Lee Seung-Ah
Lee Eun-Hye
Lee Sue-Hyun
Lee Sue-Hyun
Chang Yoon-Kyung
Park Gi-Duck
Song Tae-Jin
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Abstract
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In brain death state, bilateral pupil light reflexes are disappeared, and pupils are fixed with dilated. However, spontaneous movements such as ocular microtremor or bilateral cyclical constriction-dilatation of pupils have been rarely reported in brain death patients. We present a brain death patient whose right pupil displayed spontaneously repetitive constriction and dilatation regardless of external stimuli such as light and pain. Early recognition of this phenomenon may prohibit the delay in the diagnosis of brain death and organ transplantation.
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KEYWORD
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Brain death, Pupil, Coma
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