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Cerebral patterns of neuropsychological disturbances in hepatitis C patients

  • Tino Prell
  • Meike Dirks
  • Dimitrios Arvanitis
  • David Braun
  • Thomas Peschel
  • Hans Worthmann
  • Ramona Schuppner
  • Peter Raab
  • Julian Grosskreutz
  • Karin Weissenborn
Article

Abstract

Neuropsychiatric symptoms and cognitive impairment have been consistently reported in patients with hepatitis C virus (HCV) infection. Since the mechanisms behind remain to be established, the present study attempted to assess whether neuropsychological impairments in HCV-infected patients are accompanied by structural alterations in the brain. Therefore, 19 anti-HCV-antibody-positive women with mild liver disease and 16 healthy controls underwent extensive neuropsychological testing and cranial magnetic resonance imaging (MRI) examination. Nine of the patients and five controls were followed up after 6–7 years. Voxel-based morphometry and magnetization transfer imaging were utilized to study HCV-associated structural gray and white matter changes. The HCV-infected patients had significantly worse fatigue and depression scores and significantly poorer performance on attention and memory tests than controls. The patients displayed gray matter (GM) atrophy in the bilateral insula and thalamus and a profound GM volume increases in the cerebellum. Microstructural GM changes in the insula were also evident by a reduced magnetization transfer ratio. Structural white matter changes were observed along several descending and crossing fiber tracts. Follow-up at 7 years revealed increased GM atrophy in the left amygdala and left parahippocampal regions over time. We conclude that our data provide evidence for structural alterations in the brains of patients with chronic HCV infection. Disturbances of cerebellothalamocortical regions and circuits, linking cerebellar projections to the prefrontal cortex through the thalamus, underpin the emotional and cognitive dysfunction characteristically observed in these patients.

Keywords

Hepatitis C virus Infection Fatigue Cognitive impairment MRI Voxel-based morphometry 

Notes

Acknowledgments

We thank Nayana Gaur for proof reading.

Compliance with ethical standards

The study was approved by the local ethics committee and all participants gave written informed consent. The study protocol conforms to the ethical guidelines of the 1975 Declaration of Helsinki.

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

13365_2018_709_MOESM1_ESM.docx (21 kb)
Supplemental Table 1 (DOCX 21 kb)
13365_2018_709_MOESM2_ESM.docx (21 kb)
Supplemental Table 2 (DOCX 20 kb)

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Copyright information

© Journal of NeuroVirology, Inc. 2019

Authors and Affiliations

  • Tino Prell
    • 1
  • Meike Dirks
    • 2
  • Dimitrios Arvanitis
    • 2
  • David Braun
    • 2
  • Thomas Peschel
    • 2
  • Hans Worthmann
    • 2
  • Ramona Schuppner
    • 2
  • Peter Raab
    • 3
  • Julian Grosskreutz
    • 1
  • Karin Weissenborn
    • 2
  1. 1.Hans-Berger Department of NeurologyJena University HospitalJenaGermany
  2. 2.Department of NeurologyHannover Medical SchoolHannoverGermany
  3. 3.Institute of Interventional and Diagnostic NeuroradiologyHannover Medical SchoolHannoverGermany

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