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Published in: Current Infectious Disease Reports 6/2013

01-12-2013 | Central Nervous System (J Lyons, Section Editor)

Central Nervous System Immune Reconstitution Inflammatory Syndrome

Authors: Nathan Bahr, David R. Boulware, Suzaan Marais, James Scriven, Robert J. Wilkinson, Graeme Meintjes

Published in: Current Infectious Disease Reports | Issue 6/2013

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Abstract

Central nervous system immune reconstitution inflammatory syndrome (CNS-IRIS) develops in 9 %–47 % of persons with HIV infection and a CNS opportunistic infection who start antiretroviral therapy and is associated with a mortality rate of 13 %–75 %. These rates vary according to the causative pathogen. Common CNS-IRIS events occur in relation to Cryptococcus, tuberculosis (TB), and JC virus, but several other mycobacteria, fungi, and viruses have been associated with IRIS. IRIS symptoms often mimic the original infection, and diagnosis necessitates consideration of treatment failure, microbial resistance, and an additional neurological infection. These diagnostic challenges often delay IRIS diagnosis and treatment. Corticosteroids have been used to treat CNS-IRIS, with variable responses; the best supportive evidence exists for the treatment of TB-IRIS. Pathogenic mechanisms vary: Cryptococcal IRIS is characterized by a paucity of cerebrospinal inflammation prior to antiretroviral therapy, whereas higher levels of inflammatory markers at baseline predispose to TB meningitis IRIS. This review focuses on advances in the understanding of CNS-IRIS over the past 2 years.
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Metadata
Title
Central Nervous System Immune Reconstitution Inflammatory Syndrome
Authors
Nathan Bahr
David R. Boulware
Suzaan Marais
James Scriven
Robert J. Wilkinson
Graeme Meintjes
Publication date
01-12-2013
Publisher
Springer US
Published in
Current Infectious Disease Reports / Issue 6/2013
Print ISSN: 1523-3847
Electronic ISSN: 1534-3146
DOI
https://doi.org/10.1007/s11908-013-0378-5

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