Lecture 23: Child & Adolescent Psychopharmacology Flashcards
how many women have a psychiatric illness that predates or emerges during pregnancy?
500,000
3 potential risks of psychoactive medication to fetus
- teratogenic damage (physical abnormalities)
- behavioral abnormalities
- neonatal toxicity through breastfeeding
untreated maternal illness can result in (6)
- poor compliance with prenatal care
- poor nutrition
- drug exposure
- increased self medication
- deficits in mother infant bonding
- disruptions in family environment
impact of anxiety disorders on fetus (obstetric, 4)
- long labor
- fetal distress
- preterm labor
- spontaneous abortion
what % of pregnancies are unplanned?
50%
depression during pregnancy leads to increased risk of ___
postpartum depression
what can increase the risk of teratogenicity in pregnancy?
more than one antidepressant
SSRI discontinuation symptoms in baby (5)
- irritability
- constant crying
- sleep disturbances
- hyperactive reflexes
- breathing and feeding difficulties
4 anxiety disorders in preschoolers
- situational anxiety
- generalized anxiety
- selective mutism
- specific phobias
first pharmacological choice for child anxiety disorders
prozac
__% of medical practitioners prescribe medications for preschooler PTSD
89%
autism must present before ___
age 3
non-autism pervasive developmental disorders are usually recognized by ___
age 3
what two drugs are used to treat irritability and autism-associated behaviors?
risperidone
aripiprazole
autism affects __% of all children
1%
impact of anxiety disorders on fetus (neonatal, 2)
- reduced developmental scores
2. slowed mental development
the risk of a bipolar episode during pregnancy is ___ for a female diagnosed with bipolar disorder
71%
bipolar: time to first recurrence is _x shorter once medication is stopped
4x
the risk of a bipolar episode is ___ if a woman discontinues medication
doubled
bipolar after stopping meds: proportion of weeks spent in episodes is _x greater
5x
pregnancy risk of lithium
cardiac malformations
3 risks of valproic acid in pregnancy
- highest risk of congenital malformations
- can impair cog functioning and lower IQ
- can increase risk for autism spectrum disorder
danger of topiramate
high risk of congenital malformations such as oral clefts and penile malformations
3 high risk mood stabilizers for pregnancy
- lithium
- valproic acid
- topiramate
3 low risk mood stabilizers for pregnancy
- carbamazepine
- lamotrigine
- gabapentin
pregnancy risk for carbamazepine
slightly teratogenic
pregnancy risk for lamotrigine
slight risk for cleft palate
3 risks for atypical antipsychotics during pregnancy
- large for gestational age/heavy at birth
- increase risk for diabetes later in life
- risperidone in 3rd trimester problems
problems with taking risperidone in 3rd trimester (4)
- jitteriness
- irritability
- feeding problems
- somnolence
__% of preschoolers with moderate-severe ADHD have comorbid disorders. which 3?
70%
- oppositional defiant disorder
- communication disorders
- anxiety disorders
2 challenges for diagnosing/treating ADHD in preschoolers
- symptoms vary across lifespan, so may need different diagnostic criteria
- comorbidity varies by age
ritalin is __ effective in preschoolers than school age children
less
if ritalin is ineffective, it can be substituted by __-
adderall
pharmacological treatments are usually discontinued in __ months for preschoolers
6 months
behavioral disinhibition in preschool years may be an antecedent of __
disruptive behavioral disorders and mood disorders
is there evidence for efficacy of medication in preschoolers with disruptive behavioral disorders without comorbidities for mental retardation or autism?
no
___ can be considered for treating disruptive disorders
antipsychotics
depression is common in children who have __ (3)
- other mood disorder
- past trauma
- mother with depression
5 signs of depression in young children
- appear sad even when playing games
- games have themes of death or somber topics
- appetite loss
- sleep problems
- maladaptive guilt and shame
autism affects _% of all children
1%
are SSRIs efficacious for autism?
no
what type of drugs are most effective for autism?
atypical antipsychotics
3 serious side effects of atypical antipsychotics in autism
- weight gain
- glucose intolerance
- high cholesterol
omega 3 fatty acids are used in __% of children with autism
28%
_% of children with rages were initially diagnosed with bipolar. what % actually had bipolar?
33%; 9%
__% of youth with behavioral disruptive disorders progressed to ___
50%, antisocial personality disorder
behavioral aggression is likely to be comorbid with (4)
- ADHD
- pervasive developmental disorders
- depression
- substance abuse
plan for treating behavioral/aggressive disorders
mood stabilizers and atypical antipsychotics plus psychological therapy
___ is recommended for management of severe aggression in children
lithium
3 side effects of lithium in children
- weight gain
- cognitive impairment
- fatal elevations of blood ammonia
what % of children w behavioral or aggressive disorders responded positively to valproic acid?
75%
3 meds used for treating behavioral or aggressive disorders
- psychostimulants
- SSRIs
- benzos
problem with using benzos in aggressive children
can cause behavioral disinhibition
1 in every __ children has ADHD
10-15
what % of children with ADHD are on stimulant medications?
50%
what might underlie ADHD?
alterations in dopaminergic activity in the PFC
the PFC is critical in regulating (3)
- behavior
- attention
- cognition
5 effects of PFC lesions
- distractibility
- forgetfulness
- impulsivity
- poor planning
- locomotor hyperactivity
optimal levels of (2) are essential for PFC control of behavior and attention
NE and DA
stimulant medications augment (2)
deficient dopaminergic or NE systems
psychostimulants improve behavior and learning in __% of children with ADHD
60-80%
stimulants improve ADHD symptoms but do not affect
functional impairments
functional impairments
impairments like reading, writing, math, relationships, following directions, disrupting class, etc
2 conclusions from MTA study
- medical management better than behavioral treatment and community care
- medication and behavioral treatment was not better than medication alone, but is beneficial for nonADHD symptoms and positive function
8 years after MTA, how many were still receiving medication? did they still meet ADHD criteria?
33%; yes
__% of MTA participants 8 years later had clinically significant antisocial behavior, opposition defiant disorder, were arrested at least once, or displayed delinquent behavior
25-30%
__% of MTA participants still had ADHD
78%
ritalin comprises __% of prescribed ADHD meds
90%
ritalin must be administered how many times per day?
2-3x
what is concerta?
extended release preparation of ritalin
concerta duration of action
12 hours; 22% is immediate release, 78% over 10 hour period
half life of dexedrine/adderall
5-6h
4 side effects of stimulants in young people
- insomnia
- elevated bp & hr
- reduced appetite
- growth suppression
5 adverse psychiatric problems with stimulants
- bipolar illness
- suspiciousness
- hearing voices
- aggression
- manic symptoms
__% of ADHD patients do not respond well to stimulants
10-30%
2 other med options for ADHD
- SNRIs (strattera)
2. BP-lowering dopaminergic agonists
MoA of BP lowering dopaminergic agonists
increase alpha-2-receptor stimulation in PFC
2 BP lowering dopaminergic agonists
clonidine, guanfacine
__ + a stimulant can improve ADHD symptoms better than either drug alone
guanfacine
__ is the period of highest risk for depression
adolescence
does adolescent depression usually persist into adult life?
yes
prevalence of depression among children? adolescents?
3%
6-20%
in 1990s, __ was shown to treat childhood depression
prozac
in 2002, __ youths committed suicide in the USA. suicide is the __ leading cause of death in this age group
264; 5th
adding __ to prozac enhances safety of medication therapy for depression
CBT
4 complementary treatments for depression
- st john’s wort
- omega-3 fatty acids
- light therapy
- exercise
prevalence of childhood anxiety disorders
6-18%
__% of parents of children with childhood anxiety disorders had the disorder themselves
40%
OCD is the __ most common disorder in children and adolescents
4th
__ of youth do not improve with combination therapy for anxiety
25-30%
over __ of children with bipolar experience a prodromal period for __
50%; over a year
prodrome
early symptoms that might indicate start of a disease before specific symptoms occur
children with bipolar show ___, often with comorbid (2)
rapid fluctuations in mood and behavior
ADHD and disruptive behavioral disorders
4 treatments for childhood mania
- lithium
- anticonvulsants
- atypical antipsychotics
- behavioral and psychosocial therapies
lamictal reduces manic symptoms by __ and depressive symptoms by ___
72%; 82%
___ acid is effective for treating children with ADHD, bipolar, and other problems
eicosapentaenoic acid (EPA)
__ of participants taking omegabrite D supplement with BP improved
half
___ schizophrenia patients develop psychotic symptoms between ages 10-20
1 in 3
prior to symptom onset, schizophrenia adolescents exhibit ___ in ___
lower gray matter in frontal and parietal lobes
results of omega 3 study on psychotic disorders
5% of omega 3 group vs. 28% of placebo group transitioned to psychotic disorder in 12 weeks. omega 3 may offer a safe and efficacious strategy for prevention in young people with sub-threshold psychotic states
__ are the best treatment of childhood and adolescent onset schizophrenia
atypical antipsychotics