Overview
Human immunodeficiency virus (HIV) encephalitis is a neurocognitive complication characterized by inflammation and damage to brain tissue due to HIV infection, often seen in advanced stages of HIV disease when the immune system is severely compromised.Diagnosis
Clinical Presentation: Neurological symptoms such as cognitive decline, behavioral changes, and motor dysfunction 1.
Diagnostic Tests:
- MRI and CT Scans: To identify characteristic brain lesions 1.
- CSF Analysis: Elevated protein levels, low glucose, and presence of HIV RNA 1.
- Neurological Examinations: Cognitive and motor function assessments 1.Management
Antiretroviral Therapy (ART): Essential for controlling viral replication and reducing CNS inflammation 1.
Adjunctive Therapies:
- Corticosteroids: May be used to manage inflammation, though evidence varies 1.
- Antimicrobial Prophylaxis: To prevent opportunistic infections 1.Special Populations
Comorbidities: Patients with hepatitis C virus (HCV) may face disparities in accessing emergency surgical care, potentially impacting management strategies 1.
Testing Practices: Routine HIV testing is underutilized in head and neck squamous cell carcinoma patients, despite increased risk, highlighting a need for improved screening protocols 2.Key Recommendations
Routine neurological evaluation and diagnostic imaging (MRI/CT) are crucial for early detection of HIV encephalitis 1.
Initiate and maintain potent antiretroviral therapy to control HIV replication and mitigate neurological symptoms 1.
Consider routine HIV testing in patients diagnosed with head and neck squamous cell carcinoma to facilitate early management of HIV 2 (Evidence: Moderate).References
1 Himmelstein KEW, Afif IN, Beard JH, Tsai AC. Human Immunodeficiency Virus and Hepatitis C Virus-related Disparities in Undergoing Emergency General Surgical Procedures in the United States, 2016-2019. Annals of surgery 2024. link
2 McNamara KJ, Fernandez C, Saunders TFC, Ahsan F. Human immunodeficiency disease in new diagnoses of head and neck squamous cell cancer: are we testing?. The Journal of laryngology and otology 2019. link