neurotic disorders Flashcards
what parts of brain involved in normal anxiety?
hippocampus
amygdala
thalamus
frontal and temporal regions
NTs involved in normal anxiety
NA
serotonin
GABA-A
core symptoms of a disorder of anxiety?
- psychological and physical symptoms + avoidance
- symptoms consistent with DSM V/ICD 10
- not caused by organic disease or other psych disorder
- pervasive, distressing, disabling
- affecting function
prevalence?
women 30%
men 18%
place of living and anxiety?
urban>rural
physical symptoms to ask about in history?
- restless
- muscular tension
- fatigue
- SOB
- palpitations
- abdominal pain
- diarrhoea
- urinary frequency
- tingling of extremities
important adjuncts to ask in history?
- affective symptoms
- alcohol/substance use/withdrawal
- caffeine/meds
- premorbid
ICD 10 classification
- neurotic, stress related and somatoform disorders
- phobic - agoraphobia, social, specific
- other anxiety disorders - panic, GAD
- OCD
- reaction to severe stress and adjustment disorders - PTSD
important features of phobic anxiety disorders?
- evoked by certain well defined situations or objects which are not actually dangerous
- avoided or endured with dread
- anticipatory anxiety
- often co-exists with depression
important features of agoraphobia?
- lack of immediately available escape
- leaving home
- entering shops
- crowds
- public places
- public transport
- occurs with or without panic disorder
6 month prevalence of agoraphobia?
3-6%
gender in agoraphobia?
women - 75%
age of onset agoraphobia?
24yrs
course of agoraphobia/
chronic fluctuating
aetiology of agoraphobia?
life events, preceded by neurotic or dependent personality traits
what thoughts in agoraphobia?
- fear of death
- collapse
- no one would help if something happened
behaviour in agoraphobia?
avoid
may be subtle eg companion/trolley/pram
what to rule out in agoraphobia?
depression
substance abuse
psychosis
tx for agoraphobia?
- psychological - CBT
2. meds: SSRI
social phobia prevalence
6 month 1.7%
10-13% lifetime
gender in social phobia
equal
onset of social phobia?
teens/ early childhood
comorbidities in social phobia?
depression
substance misuse
cause of social phobia?
can be specific eg public speaking or generalised
thoughts in social phobia?
- negative perception by others
- people will notice blushing, tremor
- fear of vomiting, fainting, humiliation
behaviours in social phobia?
avoid
use safety behaviours
tx of social phobia?
- tx comorbidity
- ddx schizoid personality disorder
- psych: CBT
- meds: SSRI
age of onset simple phobias
any but common in kids
lifetime prevalence simple phobia
5-10%
female male ratio simple phobias
2.1
except blood-injection type where same
tx of simple phobia
graded exposure therapy
what is panic disorder
- recurrent discrete attacks of severe anxiety
- last mins
- anticipatory anxiety
features of panic attacks
- ANS anxiety and fear of death/heart attack/suffocation
- need several within one month
minutes - not predictable
- anticipatory
prevalence panic disorder
1.5%
gender panic disorder
women more slightly
genetics panic disorder
probs
somatic sx of panic attack
- palpitations
- chest pain
3 . SOB - choking
- dizzy
thoughts in PD?
fear of dying
fear of going mad
fear of losing control
behaviours in panic disorder
escape
avoid
tx panic disorder
- rule out physical cause
- psychoeducate
- CBT
SSRI - benzos - very last resort
classic description of GAD?
free floating anxiety
prevalence GAD
lifetime 4-6%
course of GAD
chronic
gender GAD
women
cause of GAD?
- related to stressors in predisposed personality
2. genetics - prob linked to that of depressive illness
comorbid in GAD?
depressive
other anxiety disorders
thoughts in GAD
- worry about random things for long time
- can’t control worry
- feel as though worry is useful - if I think about it enough I’ll be prepared
somatic features GAD?
- muscle tension
- fatigue
- trembling
- epigastric discomfort
tx GAD
- difficult
- treat any comorbidity
- modify environmental factors.
- relaxation techniques
- avoid caffeine
- CBT
- meds: SSRI
benzos in GAD
nope
prevalence of OCD?
2-3%
gender OCD
pretty equal
pathology of OCD?
caudate nucleus and cingulate gyrus
serotonin
what is an obsession?
- ideas, images or impulses with are intrusive and pervasive
- cause distress and are resisted
- OWN thoughts
common themes in OCD?
cleanliness contamination doubt violence sex
what is a compulsion?
stereotyped repetitive act
recognise as pointless
reduce tension
features of OCD?
- obsessions are ego dystonic
- obsessions are indicative of personal defect, immorality or badness
- thoughts resisted
- compulsions are not pleasurable but relieve anxiety
violent obsessions worry in OCD?
nope acting on them is really rare, less than general population
comorbidity in OCD?
- depression
2. obsessional personality: ego-syntonic -
tx OCD
- psych: psychoeducation, behavioural therapy eg exposure, response prevention; CBT
- meds: SSRI high dose. 2nd line = clomipramine
NB combo therapy optimal
what is PTSD?
- delayed/protracted response to a stressful event or situation
- event = exceptionally threatening/catastrophic
- event = would cause distress in anyone
cause of PTSD?
- personality traits
- 80% previous psych prob
- possible biological basis
course of PTSD?
fluctuating, most recover
brain regions in PTSD?
- memory processing problems: hippocampus, amygdala, frontal cortex
- heightened stress: thalamus, hypothalamus, locus coeruleus
onset of PTSD?
within 6 months of event
acute stress reaction?
onset and subsides in days after event
what groups of symptoms are seen in PTSD?
- reliving- intrusive memories or dreams
- arousal - ANS + hypervigilance, startle response and insomnia
- avoidance and fear of cues which will remind of the event
outside the group of PTSD symptoms what else is seen?
- numbness
- detachment
- dramatic outbursts of fear/violence
- substance misuse
effects of PTSD on person
- depression
- suicidal ideation
- ongoing effects of the event itself eg refugee
- emotionally enduring personality change - chronic over many years
tx of PTSD?
- MDT
- CBT
- behaviour therapy
- refer to specialist agency eg rape crisis or refugee agency
- SSRI
what two things have no evidence in PTSD?
- critical incident debriefing
2. eye movement desensitisation and recall
what is an acute stress reaction?
- lasts hours or days
- can be within 1hr after exceptional stress
- stress usually severe / threat to security or physical integrity
things that may cause an acute stress reaction?
- natural disaster
- major accident
- serious assauly
- warfare
- rape
- multiple bereavement
- fire
signs and symptoms ASR?
- vary
- initial daze
- subsequent depression, anxious, angry
- social withdrawal
- disoriented, aggression, hopeless
- overactivity
- excessive grief
classification of ASR?
mild - no symptoms
moderate- 2 symptoms
severe - 4 of above or stupor
epidemiology ASR?
15-25% after stress
cause of ASR?
meh dunno
RFs for ASR?
- exhaustion
- medical illness
- elderly
tx ASR?
none
px ASR?
resolves
what are adjustment disorders?
- state of subjective stress
- interferes with functioning
- adapting to life change or consequences of a stressful event
what might an adjustment disorder be a sign of?
subthreshold
mood/anxiety/somatoform/conduct disorder
important features of an adjustment disorder
- must be 1 month after stressor
- don’t go on longer than 6 months after stressor removed
- must be a stressor!
comorbidity adjustment disorder
- more alcohol abuse
2. individual predisposition
prevalence of adjustment disorder
5%
can be up to 20% in general hosp setting
tx adjustment disorders?
- supportive psychotherapy
- coping mechanisms
- practical support eg carers, child care, financial, OT, support groups
- antidepressant/anxiolytic if symptoms persistent or if psych intervention is unsuccessful
px adjustment disorder?
70% recovery at 5yrs
adolescents 40%
major psych prob development in 20% - usually depression or alcohol related
what is a common adjustment disorder?
grief reaction
grief vs depression
controversial whether normal/abnormal grief is distinct from depression
bereaved have depressive sx
what is normal grief
variable
basically the feelings, thoughts and behaviours associated with bereavement
what is abnormal gruef
- intense, prolonged, delayed, or absent
- thoughts of worthlessness or death
- slowed thoughts, movements
- guilt
- poor function
- hallucinations that aren’t the image or voice of the deceased