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PnT
Depression
65
Biology
Graduate
09/03/2012

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Term
MDD epidemiology
Definition
-16% lifetime risk
-18-29 have highest rates always
-65-80 are 20% in women/10% in men
-family history
-20% suicide
Term
MDD diagnosis
Definition
->1 MDD episodes without manic mixed or hypomanic episodes and meets DSM criteria
-is associated with significant functional impairment, morbidity, and mortality
Term
MDD etiology/biomarkers
Definition
-unknown and complicated
-consistent consensus alter NTs
-biomarkers-neuroendocrine abnormality, hypersecretion of of cortisol, disruption of BDNF
Term
MDD clinical course and presentation
Definition
-initial symptoms over days to weeks
-symptoms of anxiety can appear first
-untreated can last 4 months or more
-varies person to person
-repeat episodes (60% see second episode, 70% see third, 90% see fourth)
-depression may end completely, partially or not at all
-medical disorders must be RULED OUT (TSH, CBC, electrolytes)
Term
MDD emotional symptoms
Definition
-continued diminished capacity to experience pleasure in activities that brought pleasure before the episode
-life stressors may trigger depression in some but not others
-anxiety symptoms present in 90% of OP
-psychotic features may be present but this may require hospitalization and stabilization with APS
Term
MDD physical symptoms
Definition
-psychomotor retardation-slowed physical movements or speech
-psychomotor agitation-pacing, purposeless restless movements
-more common in elderly-chronic fatigue/pain
-sleep disorders-insomnia/daytime sleepiness
-changes in appetite
Term
DSM diagnosis
Definition
-5 or more present during same 2 week period
-most of the day nearly everyday
-MUST result in a decreased function from baseline and exhibit at least one of the required symptoms of either
-depressed mood/markedly diminished interest in pleasurable activities
Term
MDD DSM symptoms
Definition
-insomnia/hypersomnia
-fatigue/loss of energy
-feelings of worthlessness/guilt
-diminished concentration
-pyschomotor agitation/retardation
-significant weightloss or gain
-recurrent thoughts of death or suicide
Term
MDD suicide risk
Definition
-male
-single/living alone
-describing feelings of hopelessness/suicide plans
-substance abuse
-unusual behavior-missed work,giving things away
-during initial stages of medication therapy (risk can increase with those recovering from MDD as they experience INCREASE in energy)
Term
black box warning
Definition
-2004 required since risk in ST studies in children and teens with depression
-2007 expanded to inc risk of suicide (thoughts and behavior) in 18-24 yo esp in early stages of tx
Term
what to do about suicide risk
Definition
-counsel pt/family to monitor closely at beginning of tx
-possible ADRs could include agitation
-deal with the subject of suicide directly
-get help immediately
Term
goals of tx
Definition
-reduce symptoms of acute depression, facilitate, pt return to a level of function before illness
-prevent future episodes of depression
Term
acute tx phase
Definition
-goal-remission-absence of symptoms
-assess response-full,partial,minimal,none
-decision pts: 4,6,8 weeks
-ensure safety (inc suicide risk)
-obtain effective/adequate dose ASAP and as tolerated
Term
continuation tx phase
Definition
-4-9 months after remission is achieved to prevent relapse or residual symptoms
Term
maintenance tx phase
Definition
-12 to 36 months
-to prevent recurrence (new episode)
Term
risk of recurrence inc as
Definition
number of episodes inc
Term
response
Definition
-50% reduction in symptoms within 6 months of tx initiation
Term
remission
Definition
-absence of symptoms
Term
recurrence
Definition
-separate new episode following remission
-duration of therapy depends on risk of recurrence
-1st episode treat 6-12 months, >2 episodes 15 months to 5 years
-some suggest lifelong therapy
Term
non pharm therapy
Definition
-psychotherapy
-not for exclusive use in severe cases
-combination with medicine is best practice
-for mild cases, combo does not produce advantage
-CBT
-vagus nerve stimulation
-transcranial magnetic stimulation
Term
ECT
Definition
-safe and effective tx for severe mental illness
-when rapid response needed
-risk includes cardiovascular changes and apnea
-no absolute contraindication but caution with recent MI, intracerebral bleeding, unstable vascular conditions, inc cranial pressure
Term
NTs involved
Definition
-5HT
-NE
-DA
Term
pharm tx
Definition
-60-70% of pts improve
-30% respond to placebo
-big gap btw efficacy and effectiveness
-lack of improvment can be due to lack of adherence
Term
citalopram
Definition
celexa
Term
escitalopram
Definition
-lexapro
Term
fluoxetine
Definition
prozac
Term
fluvoxamine
Definition
-luvox
Term
paroxetine
Definition
paxil
Term
sertraline
Definition
-zoloft
Term
SNRIs
Definition
-desvenlafaxine
-duloxetine
-venlafaxine
Term
desvenlafaxine
Definition
pristiq
Term
duloxetine
Definition
cymbalta
Term
venlafaxine
Definition
effexor
Term
TCAs (tertiary)
Definition
-can cause CV block
-very anticholinergic
-amitriptyline
-clomipramine
-doxepin
Term
amitriptiline
Definition
-elavil
Term
clomipramine
Definition
-anafranil
Term
doxepin
Definition
sinequan
Term
TCAs (secondary)
Definition
-desipramine
-nortriptyline
Term
desipramin
Definition
-norpramin
Term
nortriptyline
Definition
-despramine
Term
MAOIs
Definition
-can cause HT crisis with Tyr
-phenelzine
-selegiline
-tranylcypromine
-isocarboxazid
Term
phenelzine
Definition
-nardil
Term
selegiline
Definition
ensam
transdermal
Term
tranylcypromine
Definition
parnate
Term
aminoketones
Definition
-bupropion
-risk of seizure
-tx smoking cessation
-no sexual SE
Term
tetracyclics
Definition
-mirtazapine (remeron)
-SE inc cholesterol
Term
issues to keep in mind
Definition
-previous response to meds
-family history/response to therapy
-med comorbidities and PMH
-pt pref and cost
-potential for DI and ADR
Term
evaluate therapeutic outcomes
Definition
-serum concentrations
-SEs
-remission of target symptoms
-rating scales-objective results of subjective descriptions
Term
HAM-D
Definition
-higher the score the worse the symptoms of depression
Term
MADRS
Definition
-montgomery asberg depression rating scale
-the higher the score the worst the symptoms of depression
Term
IDS
Definition
-inventory of depressive symptomatology
Term
BDS
Definition
-beck depressive scale
Term
non response
Definition
-less than 25% in baseline symptoms
Term
partial response
Definition
-less than 49% decrease
Term
partial remission or response
Definition
-greater than 50 decrease
Term
remission
Definition
100% return to baseline
Term
general principles
Definition
-start low go slow
-expect initial anxiety
-watch for signs of switch for pt who may have bipolar
-advocate adequate trial and dose
-taper only according to guidlines
Term
seizure disorders avoid
Definition
-bupropion
Term
substance abuse avoid
Definition
benzos
Term
cardiac complications avoid
Definition
TCA
Term
GI bleed and anticoagulation avoid
Definition
SSRI
Term
beers list
Definition
-guide for id of meds which may have risks which outweigh benefits for elderly
Term
elderly
Definition
-misdiagnosis
-anhedonia (lack of pleasure)
-highest rate of suicide >65 yo
-inc ADR due to altered PK/PD
-SSRI usually best initial tx
-second choice often bupropion and venlafaxine
-evidence of mirtazapine benefits anxiety and sleep (watch cholesterol)
-avoid TCA - very anticholinergic
-co-occurs with dementia/anxiety
Term
children
Definition
-CDRS-R rating scales
-2% children,8% adolescents
-gender ratio the same
-support of efficacy of antidepressants is sparse
Term
children black box warning
Definition
-2004
-data since bb warning has demonstrated that there may be no significant inc risk of suicide
-MEDGUIDES are required to be given out per FDA
-bigger issue is untreated depression and risk of suicide
-risk of sudden death-baseline ECG for any TCA
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