HIV Flashcards
How does HIV cause mental illness x4
Anxiety
Toxins
Opportunistic infections
Drug side effects- efavirenz
How does mental illness cause HIV x4
Impulsive disorders
High risk behaviors
Abuse or vulnerability
Inability to negotiate for safe sex
Mental health disorders of public health concern x3
Depression
Substance use
Neurocognitive disorders
Risk factors of mental illness in HIV x3
Genetic predisposition
Use of isoniazid
Low BMI
Ways in which HIV can enter CNS x3
Infected macrophages
Damaged/inflamed tight junctions
Damaged/inflamed blood brain barrier
Describe what happens during neuro excitotoxicity x5
HIV viral proteins affect reuptake of dopamine and glutamate > prolonged neuronal stimulation, increased intracellular calcium, synaptic degeneration > damaged BG and nigrostriatal structures
State the 3 HIV associated neurocognitive disorders HAND
Asymptomatic neurocognitive impairment
Mild neurocognitive impairment
HIV associated dementia
Examples of cortical x2 and subcortical features x2 of HAD
Cortical - amnesia, aphasia, apraxia
Subcortical - distal weakness, gait abnormalities
Diagnostic criteria for HIV neurocognitive disorder x4
A- criteria met for major and minor neurocognitive disorder
B- documentation of HIV infection
C- ND not explained by non HIV conditions
D- ND not attributable to another medical condition
Progression of HIV associated dementia x4
Mutism
Immobility
Double incontinence
Death
Biological management of HAND x3
ART
Treat opportunistic infections
Treat psychiatric comorbidities
HIV drugs causing depression x2
Efavirenz
Raltegravir
Autopsy findings in HAND that represent chronic inflammation x4
- Demyelination
- Microglial nodules
- Aggregates of microphages
- Grey matter loss with diffuse white matter changes
Subcortical features are due to damage in which structures x2
Basal ganglia
Nigrostriatal tract
Cortical features are due to damage in which structures x2
Frontal ad temporal lobes