Adult Psychiatry 2.1 Flashcards
What types of ED are recognised in ICD 10?
Anorexia
Bulimia
EDNOS
What does Binge eating disorder fall under in ICD 10?
EDNOS
How many patients with bulimia have a hx of anorexia?
1/4 - 1/3
Which criteria for anorexia has been eliminated in DSM V?
Amenorrhoea
Diagnostic criterion for bulimia for DSM V?
Once-weekly frequency of binge eating and inappropriate compensatory behaviour
Which types of patients with ED engage with treatment better and why?
Bulimia, due to feelings of loss of control
Onset of anorexia?
Adolescence
Onset of bulimia?
Young adults
Class distribution of bulimia?
Even distribution
Prevalence of anorexia in teenage girls
0.5-1%
Prevalence of bulimia in 16-35?
1-2%
Prevalence of anorexia in females per year
19/100,000
Prevalence of bulimia in females per year
29/100,000
Comorbid psychiatric disorders in patients with anorexia?
65% have depression
34% have social phobia
26% have OCD
What personality traits are associated with bulimia?
Substance use in families
What personality traits are associated with anorexia?
Obsessional and perfectionist in families
MZ vs DZ rates of anorexia
55% MZ
5% DZ
MZ vs DZ rates of bulimia
33% MZ
30% DZ
Heritablility of ED?
Significant heritability for anorexia
Not for bulimia
Risk factors for ED
Female, adolescence and early adulthood
Western cultural adaptation
FHx of ED, depression, substance misuse (EtOH and obesity for bulimia)
Adverse parenting
Occupational and recreational pressure to be slim
Low self-esteem, perfectionism (in anorexia)
Hx of obesity (bulimia)
Early menarche (bulimia)
What type of parenting is related to ED?
Low contact, high expectations, parental discord
Childhood abuse
Critical comments re eating and weight
What characterises binge eating disorder?
Recurrent episodes of binge eating in absence of extreme weight control behaviour.
Background of tendency to overeat.
How many patients seeking treatment for binge eating disorder are obese?
5-10%
Typical characteristics of patients with Binge eating disorder?
Present in 40s
Male (25% male)
High degree of spontaneous remission
Stress associated overeating
Treatment for binge eating disorder?
Self-help
Behavioural weight loss programmes
CBT/IPT
Physical sx of ED
Increased sensitivity to cold GI sx - constipation, bloating Dizziness and syncope Amenorrhoea, low sexual appetite, infertility Poor sleep with early morning wakening
Physical signs of ED
Emaciation, stunted growth and failure of breast development if pre-pubertal
Lanugo on back, forearms and side of face
Russels sign
Swelling of parotid and submandibular glands in bulimia
Perimylolysis
Hypothermia
Bradycardia, orthostatic hypotension, cardiac arrhythmias
Dependent oedema
Week proximal muscles
When does orange discolouration of skin occur in ED?
In hypercarotenaemia
What is Perimylolysis?
Erosion of inner surface of teeth
Endocrinel abnormalities in ED
Low LH, FSH and oestradiol Low T3, T4, Normal TSH Increase in plasma cortisol Raised GH Hypoglycaemia Low leptim
Cardiovascular abnormalities in ED
ECG abnormalities; conduction defects, prolonged QT
Myopathy and fatal cardiomypathy can be caused by ipecac (emetic substance) which contains emetine (an alkaloid)
GI signs of ED
Delayed gastric emptying
Decreased colonic motility secondary to laxative misuse
Acute gastric dilatation secondary to binge eating or excessive re-feeding
Haematological abnormalities in ED
Moderate normocytic normochomric anaemia
Mild leucopenia with relative lymphocytosis
Thrombocytopenia
Metabolic abnormalities in ED
Hypercholesterolaemia
Raised seum carotene
Low phosphate (refreeding)
Dehydration
Metabolic abnormalities due to vomiting
Metabolic alkalosis
Hypokalaemia
Metabolic abnormalities due to laxativ misuse
Metabolic acidosis
Hyponatraemia
Hypokalaemia
Other abnormalities of ED
Osteopenia and osteoporosis; increased fracture risk
Enlarged cerebral ventricles and external CSF spaces (pseudo-atrophy)
Effects of ED on preganncy
Decreased fertility More abortions Higher rates of hyperemesis gravidarum, anaemia, impaired weight gain Compromised intrauterine fetal growth Premature delivery Post-partum depression Low birth weight, microcephaly, low APGAR Hypoglycaemic neonate
In which ED is there food evidence of antidepressants?
Bulimia
In which ED does cognitive analytic therapy (CAT) not work?
Bulimia
In which ED is there good evidence for CBT?
Bulimia
In which ED is there no evidence for family-based therapy for adolescence?
Bulimia
In which ED is there no evidence for interpersonal psychotherapy?
Anorexia
Most effective treatment for bulimia?
CBT
How long is CBT for bulimia?
20 individual sessions voer 5 months
Recovery rate for bulimia with CBT
33-50% make full recovery
How do antidepressants help in bulimia?
Rapid decline in frequency of binge eating and purging
Improvement in moood
Problem with antidepressant therapy in bulimia?
Effect not sustained
Therapeutic goals for anorexia?
Engagement
Weight restoration
Psychological therapy - cognitive restructuring
If needed, use of compulsion
When does OP therapy for anorexia have best chance?
Illness present for <6 months
No bingeing or vomiting
Having parents who cooperate and are willing to participate in family therapy
Guidance re medications for anorexia?
Should never be used as primary treatment
What therapies should be considered for anorexia?
CBT/CAT
Interpersonal psychotherapy
Focal dynamic therapy
Family interventions focused on ED
What is helpful for adolescents with ED?
Family interventions that directly address the ED
First line treatment for bulimia
Self-help programmes and/or antidepressants
First line SSRI for bulimia
Fluoxetine 60mg OD
Therapy for buimia
Specifically adapted CBT; 16-20 sessions over 4-5 months
or Interpersonal psychotherapy but can take 8-12 months for results
Which psychiatric disorders are most frequently treated by psychiatrists?
PD
Prevalence of PD?
5-13%
Most prevalent PD in psychiatric settings
BPD
In which group of psychiatric inpatients is prevalence of PD high?
Those with drug and alcohol misuse
ED
Prevalence of PD in those with ED, alcohol or drug misuse
> 70%
Most common PD in prison?
Dissocial
Prevalence of any PD in prison?
78% for male on remand
64% for male sentenced
50% for females
Prevalence of PD in prisons
53% of male remand
49% of sentenced
31% of female prisoners
Prevalence of antisocial PD in UK
0.6%
Male vs female prevalence of PD in UK
Males have 5x prevalence compared to women.
Males 1%
Females 0.2%
Prevalence of PD and geographical areas?
Higher rates in urban areas
Median prevalence rate per 1000 of paranoid PD
6
Median prevalence rate per 1000 of schizoid PD
4
Median prevalence rate per 1000 of schizotypal
6
Median prevalence rate per 1000 of antisocial
19
Median prevalence rate per 1000 of BPD
16
Median prevalence rate per 1000 of histrionic
20
Median prevalence rate per 1000 of narcissistic
2
Median prevalence rate per 1000 of anankastic
17
Median prevalence rate per 1000 of avoidant
7
Median prevalence rate per 1000 of dependent
7
Median prevalence rate per 1000 of passive aggressive
17
Prevalence in psychiatric OP sample per 1000 of paranoid PD
42
Prevalence in psychiatric OP sample per 1000 of schizoid
14
Prevalence in psychiatric OP sample per 1000 of schizotypal
6
Prevalence in psychiatric OP sample per 1000 of antisocial
36
Prevalence in psychiatric OP sample per 1000 of BPD
93
Prevalence in psychiatric OP sample per 1000 of histrionic
10
Prevalence in psychiatric OP sample per 1000 of narcissistic
24
Prevalence in psychiatric OP sample per 1000 of anakastic
87
Prevalence in psychiatric OP sample per 1000 of avoidant
147
Prevalence in psychiatric OP sample per 1000 of dependent
14
% prevalence of Cluster A PD in community
1.6%
% prevalence of cluster B PD in community
1.2%
% prevalence of cluster C PD in community
2.6%
% prevalence of any PD in community
4.4$
% prevalence of any PD in psych OP
46%
% prevalence of cluster A PD in psych OP
6%
% prevalence of cluster B PD in psych OP
13%
% prevalence of cluster C PD in psych OP
22%
Prevalence of BPD in general population
2%
Prevalence of BPD in Psych OP
10%
Prevalence of BPD in psych IP
15-20%
Female:male ratio of BPD?
3:1
Prevalence of BPD in patients with first-degree relative who has BPD?
5 times more common
What are the important longitudinal studies of BPD?
McLean
CLPDS
What did McLean Study of Adult Development show re BPD?
Prevalence of five core BPD sx declines with rapidity; quasi-psychotic thought, self-mutilation, help-seeking suicide efforts, treatment regressions and countertransference problems
Most stable sx of BPD?
Depression
Anger
Emptiness/loneliness
What did 10 year follow-up of McLean study show re BPD?
Symptoms of chronic dysphoria, intense anger, nondelusional paranoia and impulsivity remained common after 10 years with other features abated
What did the Collaborative Longitudinal Personality Disorders Study show re BPD?
Least stable sx of BPD were abandonment fears & physically self-destructive acts
What do epidemiological studies show re sx of PD?
J-shaped relation between PD and age; initial decrease followed by an increase in some PD in older people
What was Seivewright & Tyrer’s study into PD?
12 year follow-up where 178 out of 202 patients were reassessed for their personality status.
What did Seivewright & Tyrer’s study show?
Personality traits of patients with Cluster B PD became significantly less pronounced after 12 years.
Those with Cluster A and C became more pronounced.
Remission rate of BPD according to McLean Study?
40% after 2 years
88% after 10 years
What is schizotypal PD classified as in ICD 10?
Schizophrenia?
Cluster A PDs?
Paranoid
Schizoid
Schizotypal (in DSM)
Features of Paranoid PD
Suspicious of other people and their motives
Longstanding grudges
Believe others are not trustworthy
Emotionally detached
Feel other people are threatening, deceiving or making plans against them
Features of schizoid PD
Prefer loneliness
Difficulty in expressing emotions, particularly around warmth and tenderness
Aloof/remote
Difficulties in developing or maintaining social relationships
Unaware of social trends
Unresponsive to praise or criticism
Features of schizotypal PD
Odd/eccentric Illusions, magical thinking Obsessions without resistance Members of quais-cultural groups Thought disorders or paranoia Believe in clairvoyance etc May have transient psychotic features
Cluster B PDs
Antisocial
BPD
Histrionic
Narcissistic
Features of antisocial PD
Lack of regard for rights or feelings of others
Lack of remorse for actions that may hurt others
Ignore social norms about acceptable behaviour
May disregard rules and break the law
Make relations easily but break easily
Small proportion may be psychopathic
Features of BPD
Poor self-image
Unstable personal relationships
Impulsive behaviour e.g. personal safety, substance misuse
May self-harm, feel suicidal and act on feelings
Experience instability of mood
Episodes of micro-psychosis
Feelings of chronic emptiness
Fears of abandonment - rejection sensitivity hence form intense but short lasting relations
Features of histrionic PD
Extreme/over-dramatic behaviour Quick relationships but demanding Attention-seeking Appear self-centred Shallow emotions Inappropriately sexually provocative
Features of narcissistic PD
Exaggerated sense of own importance Self-centred Intolerant of others Grandiose ideas and plans Craving for attention and admiration
Cluster C PDs
Avoidant
Dependent
OCD
Prevalence of OCD PD
1-2%
Features of avoidant PD
Fear of being judged negatively by others
Discomfort in groups or social settings
Socially withdrawn
Low self-esteem
Crave affection but overwhelming fear of rejection
Features of dependent PD
Assumes position of passivity
Allow others to assume responsibility for most areas of their daily life
Lack self-confidence
Feel unable to function independently of another preson
Feels own needs are of secondary importance
Features of OCD PD
Difficulties in expressing warm or tender emotions to others
Perfectionists
Lack clarity in seeing other perpectives or ways of doing things
Rigid attention to detail may prevent them from completing tasks
Some may be hoarders, scrupulous with money
May not be able to delegate tasks; workaholics
ICD 10 schizotypal disorder characteristics
Occasional transient quasipsychotic episodes with intense illusions, hallucinations and delusion-like ideas usually occurring without external provocation
Efficacy of Flupenthixol for PD
Some efficacy for self-harm behaviour
Efficacy of antipsychotics for PD
Low dosage may be effective in schizotypal and BPD
Efficacy of antidepressants for PD
Reduce aggressive, impulsive and angry behaviours in antisocial and VPD
Efficacy of anticonvulsants and lithium on PD
Effective against affective dysregulation in BPD and aggressive outburts in Cluster B PDs
NICE guidelines re pharmacotherapy for PDs?
Not recommended for PD, but for co-morbid illness such as depression or OCD
Drug treatment for cognitive/perceptual symptoms of PD
Antipsychotics
Drug treatment for affective dysregulation in PD
SSRIs
Drug treatment for impulsive-behavioural dyscontrol in PDS?
SSRIs
Mood stabilisers
Mood changes in Bipolar vs BPD
Bipolar: observable, spontaneous mood changes, last for days/weeks
BPD: not observable, change precipitated by internal/exernal events, last for hours
What type of mood is common in bipolar but rare in BPD?
Elated
Differences in impulsivity in bipolar vs BPD
Bipolar: episodic impulsivity
BPD: chronic impulsivity
Suicide attempts in bipolar vs BPD
Bipolar: related to depressive episodes
BPD: recurrent suicidal gestures
What did Richardson & Tracy (2015) highlight in PDs?
Six core illness-differentiating themes influencing patient perspectives on bipolar & BPD
What were Richardson and Tracy (2015)’s findings re patient perspectives on bipolar vs BPD?
Public information Delivery of diagnosis Illness causes Illness management Stigma and blame Relationship with others
What do patients find different re public information in bipolar vs BPD?
For bipolar greater public awareness, positive celeb exposure, more support groups
What do patients find re delivery of diagnosis in bipolar vs BPD?
Bipolar perceived to be taken more seriously and given more time by staff than BPD
What do patients find re illness causes in bipolar vs BPD?
Bipolar perceived to be more genetic and neurochemical than BPD
What do patients find re illness management in bipolar vs BPD?
More medication-orientated in bipolar and better established protocols compared to BPD
What do patients find re stigma & blame in bipolar vs BPD?
Greater stigma for BPD accompanied with staff hopelessness and self-blame
What do patients find re relationships with others in bipolar vs BPD?
Diagnosis of bipolar accompanied with greater support from family and friends. Its infrequent nature makes it less troublesome and easier to conceal.
BPD associated with insidious destruction and sabotage of relationships, felt to be ever-present and cannot be concealed from relationships
Where are sexual dysfunctions coded in ICD 10?
F50
What are sexual dysfunctions classified into?
Sexual desire disorders Sexual arousal disorders Orgasmic disorders Sexual pain disorders Other
What are sexual desire disorders?
Sexual aversion
Hypoactive sexual desire
What are sexual arousal disorders?
Female sexual arousal disorder
Male erectile disorder
What are orgasmic disorders?
Female and male orgasmic disorder
Premature ejaculation
What are sexual pain disorders?
Dyspaeenia
Vaginismus
What is included in ‘other’ in sexual dysfunctions?
General medical and substance misuse disorders
What is the most common female sexual dysfunction?
Hypoactive sexual desire
Which sexual dysfunction is most difficult to treat?
Hypoactive sexual desire
What has been trialled for treatment for hypoactive sexual desire in both males and females?
Testosterone; modest effects due to side effects
DSM-V specified paraphilic disorders
Voyeurism Exhibitionism Frotteurism Sexual masochism Sexual sadism Pedophilia Fetishism Transvestic disorders
What is included in ‘other specified paraphilic disorders’ in DSM V?
Zoophilia Scatalogia Necrophilia Coprophilia Klismaphilia Urophilia
What is exhibitionism?
Deliberately exposing ones genitals
What is frotteurism?
Deliberately rubbing against a non-consenting individual
What is sexual masochism?
Choosing to undergo humiliation, bondage or suffering for sexual arousal
What is sexual sadism?
Choosing to inflict humiliation, bondage or suffering to achieve sexual arousal
What is fetishism?
Use of objects or focussing on non-genital body parts to achieve sexual arousal
What is transvestic disorder?
Engaging in sexually arousing cross-dressing
What is scatalogia?
Obscene phone calls
What is coprophilia?
Faeces
What is Klismaphilia?
Enemas
What is Urophilia?
Urine