Repeated therapeutic lumbar punctures in cryptococcal meningitis – necessity and/or opportunity?

PURPOSE OF REVIEWOverall, 50–70% of patients with cryptococcal meningitis have raised intracranial pressure (ICP). Multiple international treatment guidelines recommend repeated therapeutic lumbar punctures as adjunctive management. Here, we review the recent evidence for the role of repeated lumbar...

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Veröffentlicht in:Current opinion in infectious diseases 2016-12, Vol.29 (6), p.539-545
Hauptverfasser: Chang, Christina C, Perfect, John R
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Perfect, John R
description PURPOSE OF REVIEWOverall, 50–70% of patients with cryptococcal meningitis have raised intracranial pressure (ICP). Multiple international treatment guidelines recommend repeated therapeutic lumbar punctures as adjunctive management. Here, we review the recent evidence for the role of repeated lumbar punctures on clinical outcome in cryptococcal meningitis and also review the increasing body of data utilizing these repeated cerebrospinal fluid (CSF) samples as a window into understanding immunopathogenesis of cryptococcal meningitis. RECENT FINDINGSAdjunctive dexamethasone led to higher adverse advents and disability and poorer CSF fungal clearance. Performance of a therapeutic lumbar puncture is associated with 69% relative survival protection. An activated innate immune system in the CSF is associated with future cryptococcosis-associated immune reconstitution inflammatory syndrome development. The zebrafish model is being utilized in cryptococcal studies allowing live visualization of central nervous system invasion. SUMMARYTherapeutic lumbar punctures are a critical part of cryptococcal meningitis management and CSF immunological assays are increasingly being performed in research settings. Finer manipulation of CSF removal and safer surgical techniques for intracranial pressure management applicable to resource-limited settings are needed. More precise and validated guidelines in resource-available settings would be an improvement for care. We look forward to identifying a set of biomarkers, easily performed in routine laboratories or at point-of-care, so as to translate these assays into clinical care. Wide-scale ‘–omic’ studies are likely to be required in future cryptococcal meningitis studies to improve our understanding of this deadly fungus.
doi_str_mv 10.1097/QCO.0000000000000315
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Multiple international treatment guidelines recommend repeated therapeutic lumbar punctures as adjunctive management. Here, we review the recent evidence for the role of repeated lumbar punctures on clinical outcome in cryptococcal meningitis and also review the increasing body of data utilizing these repeated cerebrospinal fluid (CSF) samples as a window into understanding immunopathogenesis of cryptococcal meningitis. RECENT FINDINGSAdjunctive dexamethasone led to higher adverse advents and disability and poorer CSF fungal clearance. Performance of a therapeutic lumbar puncture is associated with 69% relative survival protection. An activated innate immune system in the CSF is associated with future cryptococcosis-associated immune reconstitution inflammatory syndrome development. The zebrafish model is being utilized in cryptococcal studies allowing live visualization of central nervous system invasion. SUMMARYTherapeutic lumbar punctures are a critical part of cryptococcal meningitis management and CSF immunological assays are increasingly being performed in research settings. Finer manipulation of CSF removal and safer surgical techniques for intracranial pressure management applicable to resource-limited settings are needed. More precise and validated guidelines in resource-available settings would be an improvement for care. We look forward to identifying a set of biomarkers, easily performed in routine laboratories or at point-of-care, so as to translate these assays into clinical care. 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Multiple international treatment guidelines recommend repeated therapeutic lumbar punctures as adjunctive management. Here, we review the recent evidence for the role of repeated lumbar punctures on clinical outcome in cryptococcal meningitis and also review the increasing body of data utilizing these repeated cerebrospinal fluid (CSF) samples as a window into understanding immunopathogenesis of cryptococcal meningitis. RECENT FINDINGSAdjunctive dexamethasone led to higher adverse advents and disability and poorer CSF fungal clearance. Performance of a therapeutic lumbar puncture is associated with 69% relative survival protection. An activated innate immune system in the CSF is associated with future cryptococcosis-associated immune reconstitution inflammatory syndrome development. The zebrafish model is being utilized in cryptococcal studies allowing live visualization of central nervous system invasion. 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SUMMARYTherapeutic lumbar punctures are a critical part of cryptococcal meningitis management and CSF immunological assays are increasingly being performed in research settings. Finer manipulation of CSF removal and safer surgical techniques for intracranial pressure management applicable to resource-limited settings are needed. More precise and validated guidelines in resource-available settings would be an improvement for care. We look forward to identifying a set of biomarkers, easily performed in routine laboratories or at point-of-care, so as to translate these assays into clinical care. Wide-scale ‘–omic’ studies are likely to be required in future cryptococcal meningitis studies to improve our understanding of this deadly fungus.</abstract><cop>United States</cop><pub>Copyright Wolters Kluwer Health, Inc. All rights reserved</pub><pmid>27607912</pmid><doi>10.1097/QCO.0000000000000315</doi><tpages>7</tpages></addata></record>
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subjects Animals
Antifungal Agents - adverse effects
Cryptococcus neoformans - isolation & purification
Dexamethasone - adverse effects
Humans
Intracranial Hypertension - cerebrospinal fluid
Intracranial Pressure - physiology
Meningitis, Cryptococcal - cerebrospinal fluid
Meningitis, Cryptococcal - drug therapy
Meningitis, Cryptococcal - immunology
Meningitis, Cryptococcal - microbiology
Point-of-Care Systems
Spinal Puncture - methods
Zebrafish
title Repeated therapeutic lumbar punctures in cryptococcal meningitis – necessity and/or opportunity?
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