NDLI: Sepsis Associated Encephalopathy Studied by MRI and Cerebral Spinal Fluid S100B Measurement

Content Provider	Springer Nature Link
Author	Piazza, Ornella Cotena, Simona Robertis, Edoardo Caranci, Ferdinando Tufa, Rosalba
Copyright Year	2009
Abstract	The pathogenesis of sepsis associated encephalopathy (SAE) is not yet clear: the blood–brain barrier (BBB) disruption has been indicated among the possible causative mechanisms. S100B, a calcium binding protein, originates in the central nervous system but it can be also produced by extra-cerebral sources; it is passively released from damaged glial cells and neurons; it has limited passage through the BBB. We aimed to demonstrate BBB damage as part of the pathogenesis of SAE by cerebral spinal fluid (CSF) and serum S100B measurements and by magnetic resonance imaging (MRI). This paper describes four septic patients in whom SAE was clinically evident, who underwent MRI and S100B measurement. We have not found any evidence of CSF-S100B increase. Serum S100B increase was found in three out of four patients. MRI did not identify images attributable to BBB disruption but vasogenic edema, probably caused by an alteration of autoregulation, was diagnosed. S100B does not increase in CSF of septic patients; S100B increase in serum may be due to extracerebral sources and does not prove any injury of BBB. MRI can exclude other cerebral pathologies causing brain dysfunction but is not specific of SAE. BBB damage may be numbered among the contributors of SAE, which aetiology is certainly multifactorial: an interplay between the toxic mediators involved in sepsis and the indirect effects of hyperthermia, hypossia and hypoperfusion.
Starting Page	1289
Ending Page	1292
Page Count	4
File Format	PDF
ISSN	03643190
Journal	Neurochemical Research
Volume Number	34
Issue Number	7
e-ISSN	15736903
Language	English
Publisher	Springer US
Publisher Date	2009-01-09
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	SAE S100B Sepsis MRI Neurology Biochemistry Neurosciences
Content Type	Text
Resource Type	Article
Subject	Medicine Biochemistry Cellular and Molecular Neuroscience

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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