Journal
EXPERT REVIEW OF ANTI-INFECTIVE THERAPY
Volume 15, Issue 2, Pages 121-132Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/14787210.2017.1265448
Keywords
Sepsis; septic encelopathy; neuroinflammation; microglial activation; cognitive impairment
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Introduction: During the last two decades, septic encephalopathy (SE) was recognized as a clinically relevant problem with a high prevalence in patients at admission and during their hospital stay. SE is a condition associated with increased mortality and morbidity such as long-term cognitive impairment.Areas covered: This review illustrates the pathophysiology of sepsis-associated encephalopathy and encephalitis involving blood-brain-barrier dysfunction and neuroinflammation caused by endothelial and microglial activation by endogenous or pathogen-derived compounds, hypoxia by impaired microvascular regulation and septic shock as well as imbalance of neurotransmitters. The continuum between septic-embolic and septic-metastatic encephalitis and SE is underlined by histological findings. The options of technical examinations and biomarkers to diagnose SE are discussed together with established therapeutic options as well as current experimental approaches.Expert commentary: An outlook for clinicians is provided including promising diagnostic approaches by means of new imaging techniques. Clinical trials with drugs already established for other indications such as statins, erythropoietin and minocycline are warranted in the future.
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