Abstract
A 45-year-old woman was admitted to the intensive care unit (ICU) for respiratory arrest. One day prior to admission, she had been nauseated and in a state of total exhaustion. On the night of admission she was unresponsive and developed gasping respiration. The patient was comatose with absent brainstem reflexes and appeared brain dead. Blood chemistry findings and brain magnetic resonance imaging were normal. Electroencephalogram revealed an alpha rhythmical activity unresponsive to painful or visual stimuli. The cerebrospinal fluid showed an albuminocytological dissociation. Guillain-Barré syndrome (GBS) was suspected. The electrophysiological evaluation revealed an inexcitability of all nerves. The pathological findings of the sural nerve biopsy indicated an axonal degeneration secondary to severe demyelination. GBS can very rarely present with coma and absent brainstem reflexes. This case illustrates the importance of electrophysiological tests and laboratory and imaging studies in patients with suspected brain death where a cause is not clearly determined.
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