Nörosemptomatik HIV CSF viral kaçış parkinsonizm ve amyotrofik lateral skleroz benzeri sendrom: bir vaka raporu.

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Human immunodeficiency virus (HIV) infection can lead to various neurologic complications affecting central and peripheral nervous systems. Rarely, patients on combined anti-retroviral therapy (CART) with peripheral virologic suppression may develop compartmentalised central nervous system infection with cerebrospinal fluid (CSF) viral escape. We report the case of a 42-year-old man with chronic HIV infection and a previous diagnosis of Parkinson's disease referred for neurologic evaluation with diffuse hyperreflexia including brisk jaw jerk. He was adherent to combined anti-retroviral therapy (CART). During follow-up, he developed mild upper and lower limb weakness and gait instability. Electromyography was consistent with a motor neuropathy or neuronopathy. Neuraxial MRI showed non-specific supratentorial white matter lesions. Plasma HIV viral load was suppressed (<20 copies/mL) whereas CSF viral load was 35 copies/mL, consistent with CSF viral escape. CSF neopterin level was elevated indicating neuroinflammation. HIV-associated neurological overlap syndrome, with parkinsonism and an amyotrophic lateral sclerosis-like syndrome, in the context of neurosymptomatic CSF escape was diagnosed. The patient's HIV CART regime was adjusted to improve CNS penetration. Neurosymptomatic HIV CSF escape is a rare and likely under-recognised complication which can occur despite compliance with CART. When suspected, CSF viral load should be tested. CART optimisation to improve CNS penetration may be potentially beneficial in neurosymptomatic CSF viral escape and to reduce HIV-associated neurotoxicity, but these require further study to confirm.

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