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Metabolic Brain Disease

, Volume 31, Issue 6, pp 1249–1258 | Cite as

Brain edema: a valid endpoint for measuring hepatic encephalopathy?

  • Chantal Bémeur
  • Cristina Cudalbu
  • Gitte Dam
  • Alexander S. Thrane
  • Arthur J. L. Cooper
  • Christopher F. RoseEmail author
Original Article

Abstract

Hepatic encephalopathy (HE) is a major complication of liver failure/disease which frequently develops during the progression of end-stage liver disease. This metabolic neuropsychiatric syndrome involves a spectrum of symptoms, including cognition impairment, attention deficits and motor dysfunction which eventually can progress to coma and death. Pathologically, HE is characterized by swelling of the astrocytes which consequently leads to brain edema, a common feature found in patients with acute liver failure (ALF) as well as in cirrhotic patients suffering from HE. The pathogenic factors involved in the onset of astrocyte swelling and brain edema in HE are unresolved. However, the role of astrocyte swelling/brain edema in the development of HE remains ambiguous and therefore measuring brain edema as an endpoint to evaluate HE is questioned. The following review will determine the effect of astrocyte swelling and brain edema on neurological function, discuss the various possible techniques to measure brain edema and lastly to propose a number of neurobehavioral tests to evaluate HE.

Keywords

Brain edema Hepatic encephalopathy Astrocyte Magnetic resonance imaging Neurobehavior 

Abbreviations

HE

Hepatic encephalopathy

ALF

Acute liver failure

GFAP

Glial fibrillary acid protein

CSF

Cerebrospinal fluid

RVD

Regulatory volume decrease

MRI

Magnetic resonance imaging

DWI

Diffusion weighted imaging

FLAIR

Fast fluid-attenuated inversion recovery

BDL

Bile-duct ligation

PCA

Portacaval anastomosis

Notes

Compliance with ethical standards

Disclosures

The authors have no conflicts to disclose.

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Chantal Bémeur
    • 1
    • 2
  • Cristina Cudalbu
    • 3
  • Gitte Dam
    • 4
  • Alexander S. Thrane
    • 5
    • 6
  • Arthur J. L. Cooper
    • 7
  • Christopher F. Rose
    • 2
    Email author
  1. 1.Département de nutritionUniversité de MontréalQuébecCanada
  2. 2.Hepato-Neuro Laboratory, CRCHUMUniversité de MontréalQuébecCanada
  3. 3.Centre d’Imagerie Biomédicale (CIBM), Ecole Polytechnique Fédérale de Lausanne (EPFL)LausanneSwitzerland
  4. 4.Department of Medicine V (Hepatology and Gastroenterology)AarhusDenmark
  5. 5.Department of OphthalmologyHaukeland University HospitalBergenNorway
  6. 6.Division of Glial Disease and Therapeutics, Center for Translational Neuromedicine, Department of NeurosurgeryUniversity of Rochester Medical CenterNew YorkUSA
  7. 7.Department of Biochemistry and Molecular BiologyNew York Medical CollegeNew YorkUSA

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