Anxiety Disorders Flashcards
Anxiety sx
Worry
panic attacks
phobic avoidance
compulsions
muscle tension
irritability
sleep
concentration
fatigue
Anxiety patho amygdala
Integrates sensory and cognitive information to determine fear response
Emotions
Motor responses
Endocrine reactions
Autonomic responses
Anxiety
Noradrenergic model of anxiety
ANS is hypersensitive to threat or fear
Locus Coeruleus: Alarm center
so
NE release
so
Stimulate SNS and PNS
GABA Receptor model of anxiety
GABA is the major inhibitory NT
Strong regulatory effects:
serotonin
norepinephrine
dopamine
Benzodiazepine ligands enhance the inhibitory effects of GABA
Serotonin Model of anxiety
Serotonin primarily an inhibitory NT
Serotonin activity reduces norepinephrine activity from the locus coeruleus
SSRI and SNRI action as tx for anx
SSRI
* Inc 5ht and dec NE which may help regulate anx
SNRI
* inc NE which means initially people may inc anx but in long term may dec. That’s why low and slow start
BZD as tx for anx
BZD bind to receptors ro inhibit NT release
BZD and Gaba A bind together to inc the Chloride channel even more
Buspirone as tx for anx
5HT1A receptor partial agonist
- Pre and post synapse receptor
Gabapentin and pregabalin as tx for anx
They block glutamate when its excessive
Anxiety Tx factors in decision making
age
previous tx response
risks (overdose, self harm)
Rx interaction
patient preference
cost
Panic Disorder DSM
Recurrent unexpected panic attacks
followed by 1+ mo of
-persistent concern about additional attacks
Maladaptive changes in behavior to avoid attacks
Not r/t SUD or other dx
Disturbance is not better explained by another mental disorder
1st line tx panic disorder (class)
CBT
SSRI
SNRI
some guidelines say TCA, BZD too
SSRI and SNRI tx for panic (PROS)
decent safety profile
no major difference b/t agents
fluoxetine, sertraline, paroxetine FDA approved
SSRI and SNRI tx for panic (CONS)
poss inc at first in anx, agitation, irritability, jittery
Assoc with GI, HA, sex, sleep, HTN
TCA tx for panic (PROS)
comparable efficacy to SSRI