• V K Kotha and A De Souza.
• Goa Medical College; Panaji, Goa, India. vamshikotha@gmail.com
• Neuroradiol J. 2013 Feb 1; 26 (1): 35-40.

AbstractWernicke's encephalopathy (WE) due to causes other than chronic alcohol abuse is an uncommon and often misdiagnosed condition. In the setting of hyperemesis gravidarum, an acute deficiency of thiamine results from body stores being unable to meet increased metabolic demands. The condition produces typical clinical and radiological findings and when diagnosed early and treated promptly has a good prognosis. Magnetic resonance imaging (MRI) is sensitive and specific for diagnosis. We describe three patients with hyperemesis gravidarum who developed WE, and highlight a range of clinical and imaging features important for appropriate diagnosis. A high degree of clinical suspicion is essential. Treatment is often empirical pending results of investigation, and consists of parenteral repletion of thiamine stores. Reversal of MRI findings parallels clinical improvement. Neurologic outcomes are usually good, but half the pregnancies complicated by this condition do not produce healthy children.

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