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Neuropsychological functioning in Wernicke's encephalopathy.

Sushree Sangita Behura1, Sarada Prasanna Swain2

  • 1Department of Clinical Psychology, Mental Health Institute, SCB Medical College, Cuttack, Odisha, India.

Industrial Psychiatry Journal
|August 11, 2015
PubMed
Summary

Wernicke

Keywords:
Neuropsychological functioningWernicke's encephalopathythiamine (Vitamin B1)

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Area of Science:

  • Neurology
  • Neuropsychology

Background:

  • Wernicke's encephalopathy (WE) stems from thiamine (Vitamin B1) deficiency, often linked to alcoholism and malnutrition.
  • Key clinical signs include confusion, oculomotor issues, and ataxia.
  • Neuropsychological deficits, impacting cognition and quality of life, are frequently overlooked.

Purpose of the Study:

  • To investigate the extent of neuropsychological dysfunction in Wernicke's encephalopathy.
  • To assess the impact of WE-related cognitive impairments on Quality of Life (QOL).

Main Methods:

  • Four case reports of WE patients from a mental health institute were analyzed.
  • Neuropsychological functioning was assessed using the PGI-BBD.
  • Quality of Life was measured using the WHO-QOL BREF Odia Version.

Main Results:

  • While confusion and ataxia were common, nystagmus was less frequent.
  • Significant memory impairments (recent, remote, immediate, delayed recall) and attention deficits were observed.
  • PGI-BBD revealed broader neuropsychological deficits, including executive functions and visual perception.
  • WHO-QOL BREF indicated impaired QOL across four domains, with varying severity.

Conclusions:

  • Neuropsychological dysfunction is a critical, often underestimated, component of Wernicke's encephalopathy.
  • Addressing cognitive deficits is essential for improving the quality of life and managing disability in WE patients.
  • Clinicians should prioritize assessing and managing neuropsychological impairments in WE.