Affective Flashcards
Chronicity of depressive sx is associated with what?
Underlying personality, anxiety & substance misuse disorders and reduces the likelihood of full symptom resolution
What happens to risk of recurrence of depressive symptoms over time
Progressively lower over time
Persistence of mild depressive symptoms during remission is a powerful predictor of what?
Recurrence
First line treatment of mild to moderate MDD in adolescence
Psychotherapy CBT/ IBT
First line pharmacological agent for MDD in children/adolescents
Fluoxetine
A score of less than what on the Ham-D indicates remission?
<7
First, second & third line Rx for depression in kids
- CBT/IPT/internet based psychotherapy
- Fluoxetine, or escitalopram
- Venlafaxine & tricyclics
Rx resistant MDD in kids, 1st, 2nd & 3rd line
- SSRI & psychotherapy
- Switch to another SSRI
- Venlafaxine, TCA, neuro stimulation
Definition of early onset in PDD
Onset <21 years
Concordance rate for mood disorder amongst MZ twins
70-90%
Stressful life events tend to be related to episodes of mood disorders when?
They more often precede first rather than subsequent episodes
Lifetime prevalence of major depressive disorder
17%, the highest of any psychiatric disorder
Mean age of onset for major depressive disorder
40
Is there a correlation between MDD and socioeconomic status
No
How does DSM V define two separate episodes of depression to meet criteria for recurrent depression?
They must be separated by two months during which a pt has no significant symptoms of depression
How many episodes in a 12 month period to be a rapid cycler according to DSM V?
Four
Prevalence of dysthymia in the gen pop
5-6%
Most common target for rTMS in depression
DLPFC
Absolute and relative contraindications to rTMS
- Absolute- metal of any type in head eg aneurysm clips, shrapnel
- Relative- epilepsy/ hx of seizures, brain lesion, cardiac pacemaker, internal defibrillator
Canmat 2016 guidelines best augmentation for MDD
ORAL (olanzapine, risperidone, abilify, lithium)
Commonest side effect of rTMS
Headache
Define dysthymia
A reactive nonpsychotic depression of mild to moderate intensity with predominant anxiety (K&S)
Depressive disorders are more common in women T/F
T
About 5% of depressed patients commit suicide eventually T/F
F it’s about 15% (K&S)
Manic forms of mood disorders predominate in women T/F
F
The incidence of depression in younger age groups is increasing T/F
T (K&S)
Hypersexuality in depressed patients usually indicates what?
A mixed episode of bipolar disorder (K&S)
Chronic stress does what to serotonin stores?
Depletes them despite acute stress increasing serotonin
Symptoms shared by depression and mania
Agitation, insomnia, anger, irritability
Parental loss before adolescence is a risk factor for adult depression T/F
T (K&S)
Hypomanic episodes lack psychotic features T/F
T
Manic episodes last for at least how long?
One week
Hypomanic episodes last for at least how long?
Four days (K&S)
what is the key difference between hypomania & mania
Hypomania is not sufficiently severe to cause impairment in social or occupational functioning
The defence mechanism associated with depression according to Freud
Introjection
L-tryptophan is the amino acid precursor to what?
Serotonin
What is the amino acid precursor to dopamine?
Tyrosine
Why have L-tryptophan containing products been recalled in the US?
They were associated with eosinophilia-myalgia syndrome
Bad prognostic indicators in depression
- A history of more than one previous depressive episode
- Co-existing dysthymic disorder
- Alcohol & substance misuse
- Anxiety disorder symptoms
- Being male.
Is advanced age at onset a good or bad prognostic indicator in MDD?
Good
Alcohol, stimulant & caffeine use is a risk factor for rapid cycling T/F
T
Rapid cyclers, M or F predominate?
F
What is the lifetime prevalence of cyclothymic disorder?
0.2-1%
You need how many years of symptoms to meet criteria for cyclothymia?
Two years
Men or women predominate in cyclothymia?
M=F
Two key differences between dysthymia and MDD according to K&S
- The symptoms outnumber the signs
- Dysthymic pts say they have always been depressed
In the DSM criteria for depression at least one of the symptoms should be one of which two?
- Depressed mood
- Loss of interest or pleasure
Depression rates are increasing in Canada T/F
F (Ottawa)
Never married people have higher rates of depression T/F
T (Ottawa)
Depression rates higher in rural settings T/F
F Urban is higher (Ottawa)