Child & Adolescent Psychiatry Flashcards
Who outlined the mediators of the effect of parental psychiatric disorders on a child?
Rutter
What factors can mediate the effect of parental MI on a child?
Direct impact of exposure
Indirect impact due to altered interpersonal behaviour and parenting capacity
Social adversity, genetic or constitutional factors
Prenatal affects of maternal depression on the child
Poor nutrtition
Higher preterm birth
Low birth weight
Pre-eclampsia
Effect of maternal depression on the infant
Anger and protective style of coping Withdrawal Passivity Reduced attention Lower IQ
Effect of maternal depression on the toddler
Passive noncompliance
Reduced expression of autonomy
Internalising and externalising problems
Reduced social interaction
Effect of maternal depression on school-aged children
Reduced adaptive functioning
Affective, anxiety and conduct disorders
ADHD-like presentation
Effect of maternal depression on adolescents
Affective disorders, anxiety disorders, phobias
Panic disorder
Conduct disorder
Substance and alcohol misuse
What is the most well known epidemiological study into the effect of childhood adversities and first onset of MI?
Survey into 21 countries in the WHO World Mental Health Survey Initiative Kessler et al. 2010
What is the most common childhood adversity?
Parental death
Prevalence of parental death
11-15%
Name some other childhood adversities
Physical abuse
Family violence
Parental MI
Rate of physical abuse in childhood
5.3-10.8%
Rate of family violence in childhood
4.2-7.8%
Rate of parental MI in childhood
5.3-6.7%
Which childhood adversities increase risk of adult psychiatric disorders?
Maladaptive family functioning
What psychiatric disorders are seen in those with a hx of sexual abuse?
Depression PTSD Conduct disorders Somatisation Suicidal behaviour
F:M ratio of childhood sexual abuse
4:1
What % of childhood sexual abusers are male?
90%
What is the average age of children who are the victims of sexual abuse?
9-11
What is the most prevalent form of child maltreatment?
Neglect
How many childhood cases reported are due to neglect?
60%
How many childhood cases are reported for physical abuse?
20%
How many childhood cases reported are due to sexual abuse?
10%
Signs of physical abuse
Unexplained injuries, especially if recurrent
Improbable excuses for injuries
Refusal to discuss injuries
Untreated injuries or delay in presentation
Excessive physical punishment
Signs of possible physical neglect
Constant hunger Poor persona hygiene Constant tiredness Poor state of clothing Frequent lateness or non-attendance at school Untreated medical problems
Signs of possible non-organise failure to thrive
Significant lack of growth
Weight and hair loss
Poor skin or muscle tone and circulatory disorders
Signs of possible emotional abuse
Low self esteem, continuous self-deprecation
Sudden speech disorder
Self-mutilation
Rocking, head-banging or other neurotic behaviour
Behavioural signs of possible sexual abuse
Lack of trust/over-familiarity with adults Fear of a a particular individual Social isolation Sleep disturbances Running away from home Girls taking over mothering role Unusual interest in genitals Expressing affection in inappropriate ways Developmental regression Over-sexualised behaviour
Physical signs of possible sexual abuse
Bruises/scratches in thighs/genital area Itch/soreness/bleeding/discharge from rectum, vagina or penis Pain or passing urine/recurrent UTI Recurrent vaginal infection Venereal disease Stained underwear Discomfort on walking/sitting Pregnancy - particularly when reluctance to name father Higher morning cortisol
Parental risk factors for childhood physical abuse
Poverty Psychosocial stress - especially financial Young age Low IQ Criminal record poor parenting skills Experience of abuse as a child Psychiatric problems
Risk factors in children of physical abuse
Prematurity Congenital malformation Intellectual disability Chronic illness Difficult temparement
In which families is there an increase in child abuse?
Multiple children Poor housing Welfare reliance Single parents Less parental education Underemployment
At what age does physical abuse commonly begin?
adolescence
Relationship between self blame and powerlessness and sexual abuse?
Inverse relationship in children
Most common relationship in childhood sexual abuse?
Stepfather and stepdaughter
Risk factors of childhood sexual abuse?
Alcohol abuse
Overcrowding
Increased physical proximity
Rural isolation
Features of ADHD
Excessive and impairing levels of hyperactivity, inattention and impulsivity that are evident in more than one setting and cause serious impairment.
Exclusion criteria for ADHD
Those with pervasive development disorder, schizophrenia or another psychotic disorder
In what age group of children is hyperactivity more noticeable?
Pre-school
Change in criteria for ADHD in DSM V
Onset changed from before 7 to before 12
Comorbird diagnosis with ASD is now allowed
Sx threshold for adults is now 5 sx
What questionnaire is commonly used for ADHD?
Connor’s questionnaire to obtain information from schoolteachers
What is ADHD called in ICD 10?
Hyperkinetic disorder
Which diagnostic classification has stricter criteria for ADHD?
ICD 10
What is needed to confirm a diagnosis of ADHD?
Impairment from inattention/hyperactivity-impulsivity needs to be observable in at least 2 settings and interfere with developmentally appropriate functioning socially, academically or extracurricularly activities and persist for at least 6 months
Prevalence of ADHD using ICD 10
1-2%
M:F ratio of ADHD?
3:1
In which group of children is ADHD more common?
Boys
Areas of social deprivation
Children living in institutions
Heritability of ADHD
80%
ADHD in siblings
Siblings have 2-3x increased risk
Concordance % of ADHD in twins?
79% MZ
32% DZ
Which genes are implicated in ADHD?
5 6 11 DAT1 and dopamine D4 gene SNAP-25 gene
What areas of the brain are affected in ADHD?
Prefrontal cortex
Striatum
Cerebellum
What does PET show in ADHD?
Lower cerebral blood flow and metabolic rates in frontal lobe areas
What does PET show in girls with ADHD?
Globally glucose metabolism than both controls and males with ADHD
Which neurotransmitters are involved in ADHD?
DA and NA dysregulation in prefrontal cortex
Environmental factors of ADHD
Prenatal and perinatal obstetric complications
Low birth weight and prematurity
Prenatal exposure to EtOH, nictine and benzos
Poor attachment and severe early deprivation
Institutional rearing
How many patients with ADHD have a HI?
25%
Protective factors for ADHD
Relationships within family and at school
How many children with ADHD have a comorbird disorder?
50-80%
How many children with ADHD have oppositional defiant disorder?
40%
How many children with ADHD have anxiety disorder?
34%
How many children with ADHD have conduct disorder?
14%
How many children with ADHD have tic disorder?
11%
How many children with ADHD have mood disorder?
6%
How many patients with ADHD continue to meet diagnostic criteria at age of 25?
15%
How many people with ADHD will suffer some impairment from residual sx?
50%
What are children with hyperkinetic disorder at risk of?
5x risk of antisocial behaviour, substance abuse and other psychiatric disorders
How many children with ADHD go on to develop substance misuse problems?
15-20%
Which type of ADHD go on to exhibit fewer impulsive-hyperactiver sx as they get older?
ADHD, combined type
What factors are linked with poor prognosis for ADHD?
Early stressful life experiences such as poverty, overcrowding, expressed emotions and parental psychopathology
Severe sx
Predominantly hyperactive-impulsive in nature
Association with conduct, language or LD
First line treatment of ADHD
Educational interventions Family training programme based on social learning theory and behavioural interventions Individual/family therapy CBT - especially behavioural Social skills training
What is the biggest study looking into treatment for ADHD?
Multimodal treatment study of children with ADHD (MAT)
Describe the structure of MAT
RCT involving 579 children with ADHD
Results of MAT
Confirmed effectiveness of medication management in children + adolescents
Intensive behavioural therapy involving child, family & teachers added little benefit
Psychological interventions were important for families who did not wish to use medication
How do stimulants work in management of ADHD?
Release NA, dopamine and seretonin, increasing extracellular dopamine and inhibiting impulses, helping persistence in motor and cognitive functions.
What drugs are licensed for ADHD?
Methylphenidate
Atomoxetine
Alpha 2 agonists
Antipsychotics
Onset of Methylphenidate?
1-3 hours
Half life of Methylphenidate?
2-3 hours
Dose range of Methylphenidate
5-60mg/day
Which drug is n longer licensed for ADHD and why?
Pimoline
Causes liver failure
How does Atomoxetine work?
NARI
Increases noradrenaline in the synaptic cleft
What note did MHRA add to Atomoxetine in Dec 2012?
Can cause increase in BP and HR and therefore should be monitored
Monitoring for Methylphenidate
Height, weight, BP and HR initially 3 monthly, then 6 monthly
What does MHRA advise patients on Atomoxetine should be monitored for?
BP, HR
Signs of depression, suicidal thoughts and behaviour
Height & weight
3 monthly, then 6 monthly
Which drug has the largest and most rapid effect on ADHD?
Methylphenidate
How does Methylphenidate work?
Indirect sympathomimetic by increasing DA and release
What sx can Methylphenidate help with?
Comorbid aggression and oppositional defiant disorder
Hyperactivity
Adverse effects of Methylphenidate
Weight loss Sleep disturbance Cramps/headaches Mild BP and HR increase Emotional blunting Evening crash Depression Tics Hallucinations Mild growth slowing for 2 yearss
Initial dose of Methylphenidate
5-10mg OD
How is Methylphenidate dose increased
5-10mg per week
Which SE are not found with Atomoxetine?
Insomnia
Tics
Which comorbid disorder can Atomoxetine help with in ADHD?
Depression
Adverse effects of Atomoxetine
Weight loss
GI sx
Fatigue, dizziness
Mild growth slowing
Which antidepressants can be used for ADHD
TCAs
Adverse effects of TCAs
Sedation BP changes Dizziness on standing Dry mouth Cardiac conduction block: need ECG monitoring
What sx do alpha 2 agonists treat in ADHD?
Hyperactivity-Impulsiveness
Tic disorders
Aggression
Which patients are alpha 2 agonists good for in ADHD?
Overaroused
Comorbid anxiety
Adverse effects of alpha 2 agonists for ADHD
Response delayed Sedation Postural hypotension Dry mouth Hypertensive rebound if dose missed
When are antipsychotics helpful for ADHD?
If stimulants or atomoxetine does not help
Comorbird anxiety or aggression
Tic disorder
Bipolar disorder
Adverse effects of antipsychotics
Sedation EPSEs Endocrine effects TD Akathisia Weight gain Riskiest drug - last resort for ADHD
What are the disorders of childhood conduct?
Conduct disorder
Oppositional defiant disorder
What characterises conduct disorder?
Severe and persistent pattern of antisocial, aggressive or defiant behaviours that defy age-appropriate societal norms
What is the difference between ODD and conduct disorder?
In ODD the behaviour does not defy age-appropriate societal norms to the extent as CD
How are CD and ODD classified in the ICD 10?
ODD is a subtype of CD
How are CD and ODD classified in DSM V?
DSM V excludes ODD if CD is present
Diagnostic criteria for CD under ICD 1
At least one behaviour present for 6 months:
physical aggression or threats to harm people, cruelty to people or animals
Destruction of own property or others
Theft or acts of deceit
Frequent and serious violent of age-appropriate rules
DSM V criteria for CD
At least 3 of 15 behaviours should begin before 13 years for a period of 12 months.
What has DSM V added to diagnostic criteria of CD?
Limited prosocial emotions specifier for children who do not meet full criteria but present with limited prosocial emotions.
In which group of children is CD increased?
Children of parents with antisocial PD and alcohol dependence
Prevalence of CD in the UK
5-7%
M:F ratio of CD
4:1
Significant risk factors for CD according to the Ontario Child Health Survey (1987)
Family dysfunction
Parental MI
Low income
Risk factors for CD according to Rutter (1978)
Low socioeconomic status Criminality of father Overcrowding Maternal neurosis Institutional care Chronic maternal discord
Biological risk factors for CD
More common in families
Temperament of ‘callous-unemotional’
Brain injury
Low IQ
Neuroimaging in CD
Prefrontal regions may have reduced volumes
Neurochemical findings in CD
Low CSF seretonin and deficient serotonergic activity seen in those with early onset and more aggressive behaviour.
Autonomic under-arousal.
Psychosocial risk factors of CD
Maternal smoking during pregnancy Parental criminality and substance abuse Harsh and inconsistent parenting Lack of warm parental relationship Domestic violence and child abuse Large family size Low family income Early loss and deprivation School failure Social isolation
What does CD increase risk of in the future?
Criminality and antisocial PD Difficulties in education, work and finances Homelessness and abuse Drug and alcohol dependence Poor physical health MI and suicidal behaviour
How many children with CD go on to have severe antisocial problems in adulthood?
<50%
Protective factors of CD
Female High IQ Resilient temperament Good parenting Warm relationship with key adult Commitment to social values Increased economic equality
Poor prognostic factors of CD
Onset <10 years Increased aggression at earlier age Aggression carried out in isolation rather than groups Low IQ Low socioeconomic status Poor school achievement Attentional problems and hyperactivity in childhood Poor parenting Family criminality
Treatment of CD
Psychological therapies
Parent management training
NICE recommendations for treatment of CD and ODD <12 years
Group based parent training programmes
What does CBT for CD include?
Social skills training
Anger management
Targets of CBT for CD?
Aggressive behaviour
Social interactions
Self-evaluation
Emotional dysregulation
Best therapies for CD?
Functional family therapy
Multisystemic therapy
Target age for functional family therapy?
11-18
Structure of functional family therapy?
8-12 1 hour sessions in family home to overcome attendance problems
Phases of treatment of functional family therapy
Engagement
Motivation
Behavioural Change
Generalisation
Aim of functional family therapy
Keep family in treatment and only then move on to finding what they want
Therapist must understand parents goals first
What does functional family therapy aim to address?
Family processes such as improving communication between parent and child, reducing interparental inconsistency, supervision and monitoring and rules and sanctions.
Does functional family therapy reduce rates of reoffending?
Yes - by 50%
Structure of multisystemic therapy
Team available 24 hours
Treatment given over 3 months
What happens in multisystemic therapy?
Patient and families needs assessed in the home and in context of school
Intervention used to address difficulties and promote strengths
Regular written feedback from parents and patient
Responsibility of therapist in multisystemic therapy
Ensuring appointments are kept and for making change happen
What characterises ODD?
Enduring pattern of negative, hostile, disobedient and defiant behaviour w/o serious violation of societal norms or rights of others.
Duration criteria for ODD
Sx must be persistent and evident for 6 months
Sx of ODD
Temper outbursts
Active refusal to comply
Tendency to blame others
Spiteful behaviours
Age of onset between ODD and CD
Earlier in ODD
When does ODD tend to begin?
8 years of age
Prevalence of ODD
2-5%
Males vs females in diagnosis of ODD?
Before puberty more in boys
After puberty equal in boys and girls
How many children with ODD show no sx in adulthood?
25%
Aetiology of ODD
Temperamental factors - sick/traumatised child
Power struggle between child and parent
Which psychiatric problem is an early predictor of ODD and CD in later life?
ADHD
Poor prognostic factors of ODD
Early onset of sx
Longer duration of sx
Co-morbid anxiety, impulse control and substance misuse
Development of CD
Primary treatment of ODD
Family intervention using both direct training of parents in child management skills and assessment of family interactions
What do behaviour therapists focus on with parents of children with ODD?
How to alter their behaviour to discourage childs oppositional behaviour and encourage appropriate behaviour
Prevalence of depression in pre-puberty
1%
Sex difference in depression pre-puberty
None
Prevalence of depression post-puberty
3%
Sex difference in depression post-puberty
More common in females
How many young people with depression continue to remain depressed after one year?
50%
How many people with adolescent depression will have a recurrence in 5 years?
30%
Why is clinical picture of depression more often seen in adolescence?
Cognitive changes such as formal operational thought allow hopelessness to be experienced
When should depression in children only be diagnosed?
If there is impairment of social role functioning or sx lead to significant suffering or psychopathy e.g. suicidality
Sx of depression in young children
Poor feeding Failure to thrive Tantrums/irritability Separation anxiety Hyperactivity Regressed behaviour
Sx of depression in older children
Somatisation (headache) or hypochondriacal ideas School refusal Poor academic achievement Decline in school work Sleep disturbance Antisocial behaviour
Sx of depression in adolescents
Anhedonia Social withdrawal Low self-esteem Biological sx Suicidal acts Behavioural problems Substance misuse
What is dysthymic disorder?
Chronic condition with fewer sx than depression but lasts a minimum on of one year
How many children with depression have longstanding psychosocial difficulties?
95%
Risk factors for depression in children
FHx of depression Early loss of parent Parental separation Stressful life events Hx of abuse
Maintaining factors of depression in children
Persistence of subthreshold sx Scarring Personality, temperament, cognitive abilities Persisting advesity Comorbidity
What is scarring?
First episode of depression sensitizes people to further episodes
How many children with depression have a comorbidity?
50-80%
How many children with depression also have anxiety?
50-80%
How many children with depression have CD?
25%
How many children with depression have OCD?
15%
How many children with depression have an ED?
5%
Treatment for mild depression in children
Watchful waiting for 4 weeks
Then supportive therapy, self help or group CBT
Treatment for moderate to severe depression in children
CAMHS review
3 months of individual CBT, IPT or shorter term family therapy
Evidence for CBT vs other therapies for childhood depression
CBT reduces duration of illness compared to other therapies
NICE guidance for moderate to severe depression
Consider psychotherapy before medication
When should combination treatment be considered in childhood depression?
In all cases of moderate to severe depression
First line medication for childhood depression
Fluoxetine
Second line medication for childhood depression
Sertraline
Citalopram
Which medication has FDA and MHRA approval for childhood depression?
Fluoxetine only
What needs to be monitored when using Fluoxetine in children at initiation and dose changes?
Agitation
Irritability
Unusual changes in behaviour
Emergence of suicidality
Which study compared medication with therapy for childhood depression?
Treatment of Adolescents with Depression Study (TADS)
Structure of TADS
439 children given either CBT, fluoxetine, a combination or placebo
Results of TADS
CBT not superior to placebo
Combination and Fluoxetine alone were superior to both CBT and placebo
Combination showed faster recovery
Fluoxetine had more favourable outcomes for severe depression
Combined treatment superior to fluoxetine alone for remission
ECT in children?
Not recommended in 5-11 year olds
How common is suicide as cause of death in adolescents?
Third; following accidents and homicides
How many adolescent deaths are due to suicide?
12%
Suicidal ideation in adolescents?
14% in boys
25% in girls
Most common cause of suicide in boys
Hanging
Most common cause of suicide in girls
OD
Jumping from heights
How many adolescents who attempt suicide repeat within a year?
10%
How many adolescents who complete suicide will have made a previous attempt?
40%
Incidence of completed suicide in children
Declining until recently
Incidence of non fatal DSH in children
Rising
Social class of those who complete suicide
Upper and Lower
Social class of those who DSH
Lower
Childhood of those who complete suicide
Death of parent
Childhood of those who DSH
Broken home
Precipitants of children who complete suicide
Guilt
Hopelessness
Precipitants of DSH in children
Situational crises
FHx of children who complete suicide
2-4 times more likely to have a first degree relative who committed suicide
Sx of mania in children
Increased energy Distractibility Pressured speech Grandiosity Racing thoughts Euphoria Decreased sleep Flight of ideas Poor judgement
How do children with mania typically present?
Atypical or mixed features characterised by irritability, labile mood and behavioural problems
Prevalence of bipolar disorder in adolesence
1%
M:F of bipolar in childhood
M>F
M:F of bipolar in adolescence
M=F
How many adults with bipolar had onset of mood sx before the age of 20?
60%
How many children with bipolar have ADHD?
70%
How many children with bipolar have ODD?
40%
How many children with bipolar have anxiety?
30%
How many children with bipolar have substance misuse?
40%
How many children with bipolar have Tourette’s?
8%
How many children with Bipolar have bulimia?
3%
Outcome of early onset bipolar?
50% show long-term decline in function
How many adolescents wit depression go on to experience a manic episode by adulthood?
20%
What features of a depressive episode in adolescence predict development of mania
Rapid onset of episode with psychomotor features
Depressive episode with psychosis
FHx of mania
History of mania/hypomania following antidepressant treatment
Suicide risk of children with bipolar
10%
NICE recommendation for treatment of bipolar in children
Same medication as for adults but at lower doses
First line treatment for acute mania in children
Atypical antipsychotics: Olanzapine, Risperidone
Followed by Valproate/Lithium
Why are higher doses of lithium needed in children?
Children have higher renal filtration rate and higher proportion of body water
Which SEs of lithium are more common in children?
Tremors
Drowsiness
Ataxia
Confusion
What defines childhood onset schizophrenia?
Onset of psychotic sx by 18 years of age
Which children are at risk of childhood onset schizophrenia?
Increased heritability aetiology
What defines very early onset schizophrenia?
Psychosis before 13 years of age
Prevalence of schizophrenia in adolescence
1-2 per 1,000
M:F ratio of <13
2:1
What characterises childhood schizophrenia?
More negative sx
Disorganised behaviour
Greater disorganisation both of thought and sense of self
Fewer systematized or persecutory delusions
More chronic course
Common features of children with childhood onset schizophrenia before development of the disorder
Delays in language, reading, bladder control and social functioning
Neuropsychological deficits found in children who go on to have childhood onset schizophrenia
Attention
Working memory
Premorbid IQ
Characteristics of children who develop childhood onset schizophrenia
Socially rejected, clingy
Limited social skills
Hx of delayed motor and verbal milestones
Poorly in school
What type of hallucinations can present in childhood onset schizophrenia?
Visual
How many children with childhood onset schizophrenia have delusions?
> 50%
What do delusions in childhood onset schizophrenia increase with?
Age
Which clinical sx of childhood onset schizophrenia are associated with poor premorbid function?
Illogical thinking
Poverty of thought
Formal thought disorder
Heritability of schizophrenia
82%
Risk of schizophrenia amongst first degree relatives with and without the disease
With the disease: 5-10%
Without the disease: 0.2-0.6%
Neuroimaging findings in childhood onset schizophrenia
Enlarged lateral ventricles
Grey matter loss starting in parietal region and proceeding frontally to dorsolateral prefrontal cortex and temporal cortices including superior temporal gyri
What is correlated with relapse rates in childhood onset schizophrenia?
High expressed emotion
What predicts development of schizophrenia in high risk individuals?
Early attentional deficits
Deficits in social functioning
Deficits in organisational ability
Lower intellectual ability
Course and outcome of childhood onset schizophrenia
Responds less to medication
Poor prognosis
Predictors of course and outcome of early onset schizophrenia
Childs level of functioning before disease
Age of onset
IQ
Duration of episode
Duration of untreated psychosis
Presence of negative sx
Response to pharmacological interventions
How much functioning the child regained after first episode
Support available from family
Risk of premature death in childhood onset schizophrenia
8.5%
Risk of suicide or accidental death from psychotic sx in childhood onset schizophrenia?
5%
Treatment of childhood onset schizophrenia
Same as adults
Which side effects are more common from antipsychotics in children?
Metabolic
EPSEs
Acute dystonia
What do trials show re efficacy of antipsychotics in children
Olanzapine and Risperidone are effective
Which antipsychotics should be avoided in children?
Depot
Sedating drugs
Psychosocial interventions for childhood onset schizophrenia?
Family work Focus on psychoeducation Social skills Problem solving strategies CBT
Typical or atypical antipsychotics in children?
Atypical