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J Clin Med. 2020 Mar 05;9(3). doi: 10.3390/jcm9030703.

Sepsis-Associated Encephalopathy: From Delirium to Dementia?.

Journal of clinical medicine

Ha-Yeun Chung, Jonathan Wickel, Frank M Brunkhorst, Christian Geis

Affiliations

  1. Section Translational Neuroimmunology, Department of Neurology, Jena University Hospital, 07747 Jena, Germany.
  2. Center for Sepsis Control and Care, Jena University Hospital, Jena 07747, Germany.
  3. Center for Clinical Studies and Department of Anesthesiology and Intensive Care Medicine, Jena University Hospital, 07747 Jena, Germany.

PMID: 32150970 PMCID: PMC7141293 DOI: 10.3390/jcm9030703

Abstract

Sepsis is a major cause of death in intensive care units worldwide. The acute phase of sepsis is often accompanied by sepsis-associated encephalopathy, which is highly associated with increased mortality. Moreover, in the chronic phase, more than 50% of surviving patients suffer from severe and long-term cognitive deficits compromising their daily quality of life and placing an immense burden on primary caregivers. Due to a growing number of sepsis survivors, these long-lasting deficits are increasingly relevant. Despite the high incidence and clinical relevance, the pathomechanisms of acute and chronic stages in sepsis-associated encephalopathy are only incompletely understood, and no specific therapeutic options are yet available. Here, we review the emergence of sepsis-associated encephalopathy from initial clinical presentation to long-term cognitive impairment in sepsis survivors and summarize pathomechanisms potentially contributing to the development of sepsis-associated encephalopathy.

Keywords: SAE; brain dysfunction; cognitive deficits; delirium; dementia; encephalopathy; long-term sequelae; pathophysiology; sepsis

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