14 - Mental Health Flashcards
(85 cards)
Why do people use NHPs for mental health?
- Manage symptoms (or trying to manage side effects from other Rx products)
- Patient preference
- Belief that “natural is better”
- Information from internet and/or media (ex. Dr. Oz)
- Use of CAM treatments by individuals with mental illness ranges from 16-44% (most common users are individuals with depression)
What is Depression?
- Mental disorder characterized predominantly by depressive features
- Long-term, relapsing condition
- Associated with high levels of substantial health, psychosocial and financial burden (disability, comorbidity and mortality)
- Recognized as target for chronic disease management
How does depression affect physical health?
- Predisposition to obesity/metabolic disorders
- Increased medical comorbidity
How does depression affect function?
- High impact on social domain
- Increased work impairment
Describe the neuroscience behind depression
- Genes
- Stress
- Dysregulation of the HPA axis reduces hippocampal volumes and prefrontal cortex activity
- Antidepressants increase BDNF - neuronal growth and activity
- Cytokines - inflammatory response
What drugs target the monoamines?
- Serotonin transporters/receptors
- Norepinephrine transporters/receptors
- Dopamine transporters/receptors
What drugs target Glutamate?
-NMDA receptors
What drugs target circadian rhythms ?
-melatonin receptors, serotonin receptors
What drugs target stress hormones and cytokines
- Glucocorticoids
- Neurokinin receptors
- TNF alpha
- Cox2 inhibitors
- IL-6
What drugs target neurogenesis ?
BDNF
What are targets for brain structure and function?
- frontal cortex
- subcallosal cingulate gyrus
- nucleus accumbens
- ventral striatum
- vagus nerve
Risk factors for depression:
What are some “setting” factors?
-gender
-age
-SES
-race
culture
Risk factors for depression:
What are some “biological” factors?
- genetics
- structural dysfunction
- process dysfunction
- regulatory dysfunction
Risk factors for depression:
What are some “psychological” factors?
- cognitive schema
- attention/memory
- pessimism
- rumination
- explanatory style
- problem-solving
Risk factors for depression:
What are some “social” factors?
- early trauma/loss
- attachment style
- life events
- social support network
- social rejection
What criteria is required for a diagnosis of MDD (major depressive disorder) ?
A) 5 or more of the following symptoms, present during same 2-week period, must represent a change from previous functioning. At least one symptom must be depressed mood or loss of pleasure:
- Depressed mood
- Markedly diminished interest or pleasure
- Significant weight loss or gain, increase or decrease in appetite
- Insomnia or hypersomnia
- Psychomotor agitation or retardation
- Fatigue or loss of energy
- Feelings or worthlessness or excessive guilt
- Diminished ability to think or concentrate
- Recurrent thoughts of death, suicidal ideation or suicide attempt
B) Symptoms cause clinically significant distress or impairment in social, occupational or other important areas of functioning
C) Episode is not due to physiological effects of a substance or another medical condition
D) Not better explained by schizophrenia or other psychotic disorder
E) There has never been a manic or hypomanic disorder
Describe the Clinical Presentation - SADAFACES
S - sleep changes A - anhedonia D - depressed mood A - appetite disturbances F - fatigue A - agitation (psychomotor) or psychomotor retardation C - concentration E - esteem S - suicidal ideation
Pharmacotherapy for MDD?
- Rx medications (antidepressants, antipsychotics, etc)
- NHPs
Psychotherapy for MDD?
- Cognitive behavioural therapy
- Psychoanalytic therapy
Other types of treatment for MDD?
- Yoga
- Exercise
- Mindfulness
What are some NHPs used in depression?
- St. John’s wort
- SAM-e
- L-Tryptophan and 5-Hydroxytryptophan (5-HTP)
- Others (omega 3 fatty acids - fish oils)
Proper name for St. John’s Wort ?
Hypericum perforatum
What is the active component of St. John’s Wort ?
Hypericin standardized for 0.3-0.5%
OR
Hyperforin standardized to 5%
Indications of St. John’s Wort ?
mild to moderate depression, anxiety, ADHD, insomnia