when everything seems unreal: psychosis at school
TRANSCRIPT
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When Everything Seems Unreal:Psychosis at School
Sabina Abidi MD FRCPCChild/Adolescent PsychiatristAssistant Professor Dalhousie UniversityIWK Youth Psychosis TeamNova Scotia Early Psychosis Program
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Objectives
Review the history of psychosis and psychotic disorders, current definitions and symptoms.
Know the markers that help identify youth at risk for psychosis and psychotic disorders.
Discuss the importance of early identification and treatment of youth with psychosis and psychotic disorders.
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Psychosis – what is it?
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“So…let’s talk about psychosis…”
What IS IT? Who knows?DefinitionCases
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Psychosis is a brain disorder.
A medical illness - affects more than 8% of Canadians at any point in time
a serious disturbance in an individual’s reality testing
A process whereby the senses are distorted, making it difficult for the person to distinguish between real and unreal
Affects a person’s ability to think, perceive and act
Thinking, feelings, perception and behavior affected
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PsychosisA BRAIN DISEASE
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Normal Teen Brain Development
Lenroot & Giedd (2006)
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Onset of Psychiatric Disorders in Adolescence
Prevalence in Childhood
Depression (1-2%)Bipolar Disorder (rare)Psychosis (rare)Anxiety Disorders (6-8%)Anorexia Nervosa (rare)
Total (7-10%)
Prevalence in Adolescence
Depression (6-8%)Bipolar Disorder (1%)Psychosis (1%)??Anxiety Disorders (10%)Anorexia Nervosa (0.2%)
Total (15 – 20%)
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Age
Boys
Girls
Prevalence of Psychotic spectrum disorders per 1000 children/adolescents
(Reprinted) Spady et al. Prevalence of Mental Disorders in Children Living in Alberta, Canada, as Determined from Physician Billing Data. 2001.Arch Pediatr Adolesc Med. 155: pp.1156.
0 3 6 9 12 15 18
8
6
4
2
0
In males particularly, psychotic disorder(s) is a major disorder of adolescence
Hits adolescents in their prime – leads to a disruption in education-attainment, career building, employmentAlters relationships, family interactions, Alters sense of self, esteem, productivity
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Symptoms of PsychosisWhat are common types of psychotic
experiences?
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Positive Symptoms
Positive symptoms are things added in to people’s senses/thoughts/feelings/behaviour that are not normally there.
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Positive symptoms include:Hallucinations
Delusions
Thought Disorder
Disorganized or Unusual behaviour
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Hallucinations
Hallucinations can affect all senses:Sensory perceptions that occur in the
absence of any real stimulus but appear to be the result of faulty messages in the brain. Hearing (auditory)Seeing (visual)Touch (tactile)Smell (olfactory)Taste (gustatory)
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Delusions Fixed beliefs created by illness which are held
only by the person experiencing the psychosis.
These can include:Belief in special abilities of self or others Belief that physical health is changedBelief that unusual coincidences have a special
importanceBelief that one is being controlled
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Thought Disorder
Problems organizing thoughts.
Thoughts coming to fast or too slow.
Problems thinking and therefore speaking logically.
Problems keeping on topic.
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Disorganized or Bizarre Behaviour:Everyone’s behaviour is a response to how
they interpret what is going on around them.
People with psychosis may behave differently than they usually do. may become extremely active or
agitated, may laugh inappropriately or display
inappropriate appearance, hygiene or conduct.
may behave in ways that reflect their thoughts
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Negative symptoms refer to behaviours or experiences that have been reduced or lost because of the illness.
Negative Symptoms
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Negative symptoms may include:
Problems getting motivated
Problems taking joy in things
Problems getting words out
Seeming flat and blunted
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Cognitive Symptoms
Refers to problems with learning and concentration
Find it difficult to focus and pay attention find it hard to filter out all the various stimuli in their
environment. (may be highly sensitive to sounds, lights and even the
regular activities occurring in their immediate environment.)Easily distractedTrouble with working memory
Classroom/Tim’s example
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Cognitive Symptoms
find the ability and speed in processing information and reaction time may be slowed
experience difficulties with memory, problem solving ability and judgement.
find it hard to organize activities in their lives, for example to manage the time and tasks needed to get their schoolwork completed.
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The person can beAnxious, irritableDepressionAnger and unpleasant behaviourRapid changes in mood
Mood Symptoms
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Key Point
• Sometimes people with psychosis cannot recognize that they are ill and believe that nothing is wrong with them.
• This lack of insight can make it hard to get the person to accept treatment.
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Psychotic experiencesand
impairment
HallucinationsDelusionsDisorganized andBizarre behavior
Lack of:EnergyMotivationDriveSocializationreactivityEmotionSlowed thoughts/speech
Memory deficitsPoor attentionPoor organizationConcrete thinking
AnxietyDepressionIrritabilityRapid swingsanger
disorder
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The psychosis continuum orspectrum of symptoms
Psychotic like experiences(normal variant)
Psychotic disorder(schizophrenia)
PLEs associated with other disorders- anxiety- Depression- Stress- Grief/loss- trauma
PLEs + markers of risk - family history - social isolation - birth trauma - cannabis exposure
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Types of disorders which present with symptoms of psychosis
SchizophreniaSchizophreniform DisorderBrief PsychosisSchizoaffective DisorderPsychosis NOSDelusional DisorderDrug Induced PsychosisBipolar Disorder (with psychosis)Psychotic DepressionSecondary to a medical condition
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To be normal in adolescence it itself abnormal
Anna Freud
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Prevalence of children’s mental disorders in Canada
0 3 6 9 12 15
bipolar disorder
schizophrenia
Tourette syndrome
eating disorder
OCD
PDD
substance abuse
any depressive disorder
conduct disorder
ADHD
any anxiety disorder
any disorder
estimated prevalence %
Adapted from Table 2. Waddell et al. 2002. Child Psychiatric Epidemiology and Canadian Public Policy-Making. The state of the science and the art of the possible. Can J Psychiatry
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Why the focus on psychosis/psychotic disorders?
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• Common among prison and homeless populations
• 80% will abuse substances during their lifetime
• 15-25x more likely to die from a suicide attempt than the general population
• 10% or patients die from suicide most often in the first 10 years after diagnosis
• More hospital beds in Canada are occupied (8%) by people with schizophrenia than by sufferers of any other medical condition
“Youth’s Greatest Disabler”
World Health Report 2001 (WHO, 2002) schizophrenia and other forms of psychoses affecting young people rank third worldwide as the most disabling conditionIf left untreated, there is a continuing slow increase in impairment for years
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Epidemiology
Schizophrenia causes massive human and financial costs
Affects more than 1% of the world’s population
Affects all races, ethnicities, cultures equally
More severe presentation in men
Allow for a more broader definition of psychotic disorder (include psychosis NOS, brief episodes, delusional disorder) lifetime rate increases to 2-3%
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Patients with schizophrenia itself die 12-15 years earlier before the average population – some quote up to 25 years earlier
Schizophrenia causes more lives lost than cancer and physical illness Mostly due to poor medical care, suicide and
deteriorating physical illness
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The vast majority of psychiatric disorders have their onset in adolescence
The age of maximum incidence for schizophrenia in males is 15-25 years and 18-35 years in females
If left untreated, there is a continuing slow increase in impairment for years.
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Life potential(social, occupational, financial…)
Age
Onset Of illness
Successive illness relapses
17
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Outcomes of psychiatric illness in adolescenceAt
tain
men
t – in
life
Time - age
12 15 20
X – onset of psychiatric illness
X – onset of treatment effort
X – delay in treatment effort
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Psychosis – why/how?
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Phases of IllnessBirth
First Signs of Illness
Onset of Psychosis
First Treatment
Recovery/Stabilization Phase
Residual/Stable Phase
PremorbidPhase
ProdromalPhase
Duration of Untreated Psychosis
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Etiology
Risk Factors
Genetic Family history of psychotic disorder/bipolar disorder
Environmental Higher incidence in urban populations Immigrant ethnic groups - social isolation Areas of Social defeat Childhood trauma exposure Cannabis exposure Perinatal factors
There is a definite interplay of genes and the environment
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Genetics
50% of identical twins with a twin having schizophrenia will develop the disorder.
13% risk for children with one parents with schizophrenia.
2% risk for first cousins of a person with schizophrenia
>1% risk for the general population.
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Low High
Low
High
Stress
- adverse acute & chronic life events
- developmental challenges
Vulnerability
- family history of psychotic disorders
- Obstetric complications
Psychotic symptoms
No symptoms
Less severe
Psychotic-like
Symptoms or
Prodromal symptoms
Stress-Vulnerability Model of Schizophrenia
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It is important to remember thatpsychosis is not caused by:
· Family upbringing.· Problems with other people.
· Having a “weak” character.
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Dopamine in brain functionDopamine is important in three areas of brain
function:Mesolimbic-frontal cortex circuits
( psychotic symptoms).Basal ganglia (control of muscle movement).
Parkinson’s disease; loss of dopamine cellsHypothalamus-Pituitary (control of the
hormone, prolactin).
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Dopamine Pathways*
Four pathways:
1. Nigrostriatal2. Mesolimbic3. Mesocortical4. Tuberoinfundibular
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Duration of Untreated Psychosis (DUP)Historically youth experience long DUP before
coming into contact with psychiatric services 2-5 years
Long DUPS translate to very poor clinical and social outcomes
We now know that if this illness is caught early, prognosis can be very positive with effective treatment
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Treatment
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Rational therapy for psychotic disorder
Antipsychotic medication along with therapy/education are the cornerstone of effective treatment programs when dealing with a known chronic psychotic illness such as schizophrenia
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Antipsychotic MedicationsAll antipsychotic medications influence
communication between brain cells involving the neurotransmitter, dopamine.
Each medication may also influence a number of other neurotransmitters in the brain, but the effect on dopamine seems to be one common factor in reducing psychosis.
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First and Second Generation Antipsychotics“Traditional” or “First Generation”
antipsychotic medications (1950-1988) (dopamine blockade):Haloperidol, Chlorpromazine, Thioridazine and
many others.
Second Generation antipsychotics (serotonin-dopamine antagonism)“Clozapine / Clozaril (1990)Risperidone / Risperdal (1992)Olanzapine / Zyprexa (1996)Quetiapine / Seroquel (1998)Ziprasidone / Zeldox (2008)Paliperidone / Invega (2008)Aripiprazole (Abilify, 2009)
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Side effects
First generation (due to Dopamine receptor blockade):
Extrapyramidal (movement) symptoms (EPS) Muscle stiffness, restlessness, involuntary movements. The use of anti-parkinsonian “side effect” meds.
Prolactin (hormonal) elevation. Ammenorhea and sexual dysfunction
“Dysphoria” (feeling bad).Difficulty with concentration and memory.
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Side effectsSecond generation antipsychotics:
Sedation (early in treatment)Sexual dysfunctionWeight gain
Metabolic dysregulation Dylipidemia Hypertriglyceridemia Risk for diabetes Cardiac dysfunction Glaucoma Stroke
Extrapyramidal side effects still a concern
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General treatment guidelinesIndividual basisTry to treat with one medication at a time.If there is an insufficient clinical
improvement after 3-6 months, try a different medication.
Use continuous treatment with medication for as long as possible.
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Treatment: How Long?
50% of patients who do not take medication in the first year will relapse
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Treatment40-60% with effective treatment (medicine,
therapy, education, rehabilitation) can lead productive lives achieving life goals had prior to the onset of illness
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Key PointsPsychosis is treatable.Medication is a necessary, but not sufficient, part of a total treatment plan.
The stress-vulnerability model helps us understand treatment.
Adherence with treatment, including medications, is a critical issue.
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Challenges to TreatmentNon-adherenceDepression/risk of suicideSubstance use/abuseExcessive stress/expectations
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Predictors of Non-AdherenceDenial of illnessSymptoms of Illness
DelusionsDepression Cognitive impairment
Belief that medications no longer needed (I’m cured).
Attitudes of family and friends
Support NetworkStigmaInsightDistressed by side
effects Drug induced
dysphoria (feeling bad) or akathisia (restlessness)
Cost of Medication
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Depression
Major depression during course of illness : 60%Post-psychotic Depression: 25%Attempted suicide: 25% - 40%Successful suicide: 10% - 13%
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Challenges: Substance Use/Abuse
Substance use is very common in first episode psychosis
Up to 80%Cannabis and alcohol are most frequently abused
substances
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Cannabis and Early Psychosis
People with psychotic disorders have higher rates of cannabis use than the general population
Cannabis use is associated with poorer functional and clinical outcomes in this population, e.g. greater psychotic symptom severity the effects of which can last up to 4 years later
Cannabis misuse associated with 4 times the risk of psychotic relapse
One of the strongest predictors or risk factors associated with the onset of psychotic illness
There is little evidence that the high rates if cannabis are is related to self-medication for distressing symptoms or side effects of meds
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Common Issues in RecoveryDaily Life
Lack of structure/disorganization
Lack of supports required to return to school or work
Negative experiencesNo plan to help
recoveryLack of motivation
RelationshipsTrying to establish
independence from familyLoneliness/Separation from
social groups Increased anxiety in social
groupsDifficulties in re-establishing
relationships
Recovery takes time
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Why Early Intervention??
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Age
Boys
Girls
Prevalence of Psychotic spectrum disorders per 1000 children/adolescents
(Reprinted) Spady et al. Prevalence of Mental Disorders in Children Living in Alberta, Canada, as Determined from Physician Billing Data. 2001.Arch Pediatr Adolesc Med. 155: pp.1156.
0 3 6 9 12 15 18
8
6
4
2
0
In males particularly, schizophrenia is a major disorder of adolescence
Hits adolescents in their prime – leads to a disruption in education-attainment, career building, employmentAlters relationships, family interactions, supportAlters sense of self, esteem, productivity
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Phases of IllnessBirth
First Signs of Illness
Onset of Psychosis
First Treatment
Recovery/Stabilization Phase
Residual/Stable Phase
PremorbidPhase
ProdromalPhase
Duration of Untreated Psychosis
Secondary prevention
?Primary prevention
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“It is not an easy task to recognize psychosis in the early stages and motivate a young
psychotic person, who might have persecutory delusions or other delusional beliefs, to accept psychiatric treatment.”
Nordentoft M et al. Does a detection team shorten duration of untreated psychosis? Early Intervention in Psychiatry 2008;2 :22-26.
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Challenges in identifying the prepsychotic phase –
The earliest symptoms identified are non-specific:
Sleep disturbance behavioral disturbance Depressed mood social withdrawal Anxiety irritability
In youth, changes that occur as part of the normal developmental continuum can complicate psychiatric diagnoses. Patient age, gender, developmental stage, identity, culture, belief system are all significant diagnostic and therapeutic factors
The differential diagnosis for psychosis is widespread in youth and depends upon a number of environmental factors that must be examined 40% cases – initial diagnosis has cause to be
changed in 3 months
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Recognition of youth in trouble
Less than ½ of child & adolescent psychiatric disorders are identified in primary care settings & only a fraction are referred for mental health services
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Recognition of youth in trouble
Direction of help-seeking behaviorHelp seeking behavior in adolescents is
primarily directed to friends, family and teachers before physicians
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Warning signsGradual onset of change in behavior, appearance, attitude
etc“he’s not himself”, “something’s up with him”
Isolation from friends, adopting new/unusual friend groupDecline in grades and overall functioning over timePoor hygieneOnset or increase in substance abuse, esp marijuanaOdd or bizarre comments, beliefs, behaviorsEasily distracted, sensitive to noise/light, wearing
headphones often with little eye contactAppearing to be “out of touch” or daydreaming a lot,
staringLow mood, frustration, irritability, sadness, confusionAvoiding hallways, crowds, busesFatigue during day (poor sleep)
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How can you help?Early identification
What do these youth really look like?SupportReduce stigma/increase acceptance
Substance use declining grades/functioning changes in behavior
Help access service/assessment
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Studies are now showing with earlier identification there is a decline in the
transition rate to psychotic disorder in youth at high risk.
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www.e-earlypsychosis.cawww.psychosissucks.cawww.teenmentalhealth.org
IWK Health Centre Youth Psychosis Team464-4110 (Central Referral)
Nova Scotia Early Psychosis program473-2976