Clinical features Flashcards
What are the two types of AN
Restricting
Binge-eating / purging
What are the features of AN
Restriction of energy intake relative to requirements
Leads to low weight for age, sex, dev trajectory
Intense fear of gaining weight
Disturbance in way weight is experienced, lack of seriousness
Why was refusal to eat removed from DSM5?
Derogatory
Judgemental
Some bmi levels not applicable to adolescents so now termed weight less than minimally normal
What are features of bulimia
Normal weight Repeated episodes of binge eating Large amount in short time Feel out of control during binge Compensatory behaviour
What are features of binge eating
Recurrent episodes of bingeing No compensatory behaviour Eat more rapidly Eat until overfull or when not hungry Distress during binge
What are the causes of eating disorders
Multiple pathways
Interaction of biological (genetics,physiology)
Psych(personality, family,cog)
Social (society modelling, pressure regarding weight and appearance)
Is anorexia an internal or external disorder
Internal
What is the best predictor of bulimia in adolescence
Dieting
What are the genetic factors involved in eating disorders
Increase risk of relative with eating disorder
AN high concordance in mono twins
Social anxiety, perfectionism, negative affect
BN lower concordance in mono twins
Tolerance to vomiting, impulsivity
What parts of physiology play role in aetiology
Hypothalamus - role in hunger and eating regulation
Serotonin and dopamine and norepinephrine
Low sero assoc w impulsivity and binge eating
What family environment factors contribute to eating disorders
Modelling of eating disorder behaviour
High expressed emotion
Critical conflicted family
Don’t allow individuation
What psych factors contribute to ED
High level of perfectionism
Low self esteem
What psych treatment for bulimia is treatment of choice
CBT
What is the new version of CBT used to treat bulimia
CBT E Can also target the key difficulty areas of Perfectionism Low self esteem Interpersonal difficulties
What factors can lead to bingeing
Emotional trigger eg anger, sorrow,
Eating ‘bad’ food
Fasting for long period
What is ipt and how can it be used for ED
Interpersonal psychotherapy
Assumes reciprocal link between mood interpersonal factors and eating
Improve interpersonal functioning
Effective in long term but treatment takes longer than CBT
What is the preferred treatment for AN
Outpatient and family based therapy
Parents are responsible for helping child gain weight
What are the 3 phases of family based treatment for AN
- Parents restore child’s weight
- Transfer control back to adolescent
- Adolescent developmental issues
What is the mean peak age for AN
17 years but two peaks at 14 and 18
What are the two peak ages of AN associated with
Developmental crises and increasing independence eg. Puberty, transition from school/university/ work and leaving home
What is the mean age of onset for bulimia
18 years
What are the features of males with eating disorders
Same patterns of disturbed body image and eating
More bingeing
Rely more on fasting and exercise to compensate
More likely to have suffered premorbid obesity,alcohol problems
Less likely to have mood disorders than females
What are features of binge eating disorder
Recurrent binges with lack of control
No use of inappropriate compensatory behaviours
Binges causes distress, embarrassment, disgust and guilt
Eat more rapidly,eat when not hungry,or when full
Which disorder has highest mortality rate of any psychological disorder
AN