Neurologic complications of HIV-1 infection and its treatment in the era of antiretroviral therapy

Sarah M. Kranick, Avindra Nath

Research output: Contribution to journalArticle

Abstract

Purpose of Review: Neurologic complications of HIV infection are unfortunately common, even in the era of effective antiretroviral treatment (ART). The consulting neurologist is often asked to distinguish among neurologic deterioration due to opportunistic infection (OI), immune reconstitution, or the effect of the virus itself, and to comment on the role of immunomodulatory agents in patients with HIV infection. Additionally, as successful virologic control has extended the life span of patients with HIV infection, neurologists are called upon to manage long-term complications, such as neurocognitive disorders and peripheral neuropathy.Recent Findings: Despite the use of ART, significant numbers of patients continue to be affected by HIV-associated neurocognitive disorders, although with milder forms compared to the pre-ART era. Regimens of ART have been ranked according to CNS penetration and are being studied with regard to neuropsychological outcomes. Nucleoside analogs with the greatest potential for peripheral neurotoxicity are no longer considered first-line agents for HIV treatment. Efavirenz, a non-nucleoside reverse transcriptase inhibitor, has the greatest frequency of neurologic side effects among newer ART regimens. The spectrum of clinical manifestations of immune reconstitution inflammatory syndrome (IRIS) continues to grow, including IRIS without underlying OI. A greater understanding of pathophysiology and risk factors has shown that while HIV should be treated early to prevent severe immunocompromise, delayed initiation of ART may be helpful while treating OIs.Summary: This article reviews the neurologic complications of HIV infection, or its treatment, most commonly encountered by neurologists.

Original languageEnglish (US)
Pages (from-to)1319-1337
Number of pages19
JournalCONTINUUM Lifelong Learning in Neurology
Volume18
Issue number6
DOIs
StatePublished - Dec 2012
Externally publishedYes

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Nervous System
HIV Infections
HIV-1
Immune Reconstitution Inflammatory Syndrome
efavirenz
Opportunistic Infections
HIV
Therapeutics
Reverse Transcriptase Inhibitors
Proxy
Peripheral Nervous System Diseases
Nucleosides
Viruses
Neurologists

ASJC Scopus subject areas

  • Clinical Neurology
  • Genetics(clinical)

Cite this

Neurologic complications of HIV-1 infection and its treatment in the era of antiretroviral therapy. / Kranick, Sarah M.; Nath, Avindra.

In: CONTINUUM Lifelong Learning in Neurology, Vol. 18, No. 6, 12.2012, p. 1319-1337.

Research output: Contribution to journalArticle

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