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Schizophrenia

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Schizophrenia Elisa A. Mancuso RNC, MS, FNS Professor Atypical Medications Risperidone (Risperdal) DA 5-HT ACh & NE Readily absorbed Active metabolite is ... – PowerPoint PPT presentation

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Title: Schizophrenia


1
Schizophrenia
  • Elisa A. Mancuso RNC, MS, FNS
  • Professor

2
  • 2 million people (1.5 of Population)
  • Costs 35 billion
  • Onset late adolescence or early adulthood
  • Men 15-25 women 20-35 gt 50
  • Psychotic disorders with disturbances in
  • Thought processes
  • Perceptions
  • Expression of feelings

3
Indicators
  • Psychotic Symptoms
  • Preoccupied with own thoughts and feelings
  • Deterioration in functioning
  • Role, ADLs, Interpersonal relationships
  • 6 month duration of symptoms
  • Bleulers 4 As
  • Autism
  • Affect
  • Associative Looseness
  • Ambivilance

4
Etiology
  • Genetic
  • Abnormal marker gene on chromosome 5
  • Heredity determines ones predisposition
  • Both parents schizophrenic 20-50 ?? risk
  • Identical twins 50-75 ?? risk for sibling
  • Biochemical
  • Altered Neuroanatomy ?s in cortex
  • ?? DA activity (2x DA receptors) Psychosis
  • ? AcH ? Confusion,
  • ? NE Anhedonia
  • ? 5-HT ? Aggressive tendencies
  • ?Glutamate learning memory
  • ?Glucose metabolism ? GABA

5
Psychological
  • Poor early mother-child relationship
  • Trust vs Mistrust
  • ? Ego boundaries
  • Dysfuntional family system
  • Double-bind communication
  • Say one thing but mean the opposite
  • Environment
  • ? Socioeconomic ? stress ? ? resources
  • Stressful life events precipitate onset!

6
Schizophrenia Stages
  • Stage I Schizoid Personality
  • Isolate themselves, loners
  • Indifferent, cold, aloof
  • ? Range of emotional expression
  • Dont enjoy close relationships
  • Stage II Prodromal Pre-Schizophrenic
  • Socially withdrawn- Blunted affect
  • Eccentric behavior Bizarre ideas
  • Unusual perceptual experiences
  • ? Role performance ?ADLs

7
Schizophrenia Stages
  • Stage III Schizophrenia (Active)
  • Prominent psychotic symptoms gt6 months
  • Delusions
  • False, fixed belief
  • Grandiose, Persecutory, Paranoia, Religiosity
  • Hallucinations
  • False sensory perception
  • Ideas of Reference
  • Disorganized Behavior
  • Impaired work, social relations self care
  • Disorganized Speech
  • Associative Looseness
  • Clanging Echolalia Word Salad
  • Poverty of Speech Neologisms

8
Schizophrenia Stages
  • Stage III Secondary Symptoms
  • Anxiety Substance Abuse (ETOH, coke)
  • Depression gt 25
  • ?? Suicide (10) Leading cause of death
  • Compulsive H2O drinking 4-10 L/day
  • H2O intoxication
  • ? Na Lightheaded Lethargy Muscle cramps
  • N V
  • Confusion
  • Coma

9
Schizophrenia Stages
  • Stage IV Residual
  • Periods of remissions exacerbations
  • Similar to Prodromal phase
  • Social withdrawal
  • Flat affect
  • Impaired Role Performance

10
Schizophrenia Types
  • Disorganized (Hebephrenic)
  • Onset before age 25
  • Chronic flat, inappropriate affect
  • Silliness, giggling, masturbating in public
  • Bizarre behavior
  • Facial grimacing mannerisms
  • Impaired social interaction
  • ? Contact with reality
  • Incoherent speech concrete thinking

11
Schizophrenia Types
  • Catatonic
  • Least common
  • Sudden onset good prognosis
  • Catatonic Excitement
  • Extreme psychomotor agitation
  • Purposeless movements Echopraxia
  • ? risk of injury to self/others
  • Continuous incoherent shouting - Echolalia
  • Catatonic Stupor
  • Extreme psychomotor retardation
  • Mute Waxy Flexibility (Bizarre posturing)

12
Schizophrenia Types
  • Paranoid
  • Preoccupied - 1 or more delusions
  • Persecution or Grandeur
  • Related auditory hallucinations
  • Argumentative
  • Hostile
  • Aggressive
  • Tense
  • Suspicious
  • Hypervigilent

13
Schizophrenia Types
  • Undifferentiated Chronic
  • Disorganized-bizarre behavior
  • Usually docile and not aggressive
  • Does not meet criteria of other subtypes
  • Delusions Hallucinations are prominent

14
Schizophrenia Types
  • Residual (Pseudo-neurotic)
  • Follows an acute episode
  • Absence of prominent symptoms
  • No delusions or hallucinations
  • Social isolation
  • Poor Grooming
  • Eccentric behavior
  • Emotional Blunting

15
Schizophrenia Types
  • Schizoaffective Disorder
  • 2 week period of predominant psychotic episode (?
    incidence in women)
  • Delusions Hallucinations
  • Disorganized behavior
  • ? Sexuality Racing thoughts
  • Mood Disorder (affective) behaviors
  • Mania Euphoria
  • Grandiosity Hyperactivity
  • Depression
  • Psychomotor retardation suicidal ideation
  • ?? Occupational social functioning

16
Characteristics
  • Positive
  • Excess or distorted inappropriate behaviors
  • Disorganized thinking
  • Not seen in mentally healthy adults!
  • Negative
  • Loss or decrease of appropriate function
  • Diminished emotional expression
  • Anhedonia
  • Apathy
  • Poverty of thoughts

17
Charcteristics
  • Positive
  • Delusions
  • Hallucinations
  • Catatonic Excitement
  • Echopraxia
  • Echolalia
  • Neologisms
  • Associative Looseness
  • Religiosity
  • Paranoia
  • Negative
  • Concrete thinking
  • Symbolism
  • Catatonic Stupor
  • Social withdrawal
  • Poverty of speech
  • Flat affect
  • Anhedonia
  • Depersonalization

18
Assessment
  • Mental Status Exam (Provides baseline data)
  • Appearance General Health
  • Dress Grooming Facial
    Expression
  • Eye Contact Motor Behavior Posture
  • Speech
  • Pace Spontaneity Volume
  • Tone Modulation Clarity Interruptions
  • Level of Consciousness
  • General Responsiveness Sensorium
  • Emotional State
  • Mood Affect Intensity Appropriateness
  • Cognitive Function
  • Thought Process Content Perceptions
  • Concentration Abstract Thinking Insight/Judgment

19
Nursing Interventions
  • Primary Goal Patient Safety
  • Establish trust listen closely
  • Accepting attitude Keep promises
  • Calm approach non-threatening environment
  • Prevent violence ? Anxiety
  • Clarify reinforce reality
  • Orient to here now
  • Address physical needs
  • ? Self esteem

20
Psychotic Symptom Interventions
  • Delusions
  • Accept experience, identify content triggers
  • Encourage reality oriented conversation
  • Use distraction refocus
  • Role model coping techniques to ? anxiety
  • Hallucinations
  • Focus on the behavioral cue
  • (laughing, talking, turning head)
  • Have Pt describe what is happening
  • Identify environmental emotional triggers
  • To prevent aggressive responses
  • Avoid touching without 1st warning

21
Psychotic Symptom Interventions
  • Impaired Communication
  • Role model clear communication
  • Use simple, concrete statements
  • Seek clarification validate content
  • Vebalize the implied
  • Paranoia
  • ? Environmental stimulation
  • Maintain eye contact
  • Provide plenty of personal space
  • Always announce your presence
  • ? Impulsivity
  • Time Outs for rest

22
Psychotic Symptom Interventions
  • Ritualism
  • Initiate conversation as ritual is performed
  • Assess for behavioral cues indicating ? anxiety
  • Negotiate a schedule for ritual ADLs
  • Social Withdrawal
  • Convey nonverbal acceptance worthiness
  • Provide brief frequent 11 contacts
  • Initiate interaction gradually expand social
    contacts
  • ? Social skills training Rules expectations
  • Cognitive Therapy ?
    Decision making
  • Regression
  • RN approaches Pt.
  • ? Self-Esteem and encourage independent
    behavior

23
Antipsychotic (Neuroleptic) Meds
  • Major Tranquilizers
  • ?? Protein Binding (91-99)
  • ? Efficacy in men (1/3 relapse 1/3 disabled)
  • Potency
  • High
  • Fluphenazine (Prolixin) Decanoate IM q3 weeks
  • Haloperidol (Haldol) Decanoate IM q4 weeks
  • Trifluroperazine (Stelazine)
  • Low
  • Chlorpromazine (Thorazine) 1st drug 1950
  • Thioridazine (Mellaril)

24
Antipsychotic (Neuroleptic) Meds
  • Action
  • ? Agitation ? Psychotic Symptoms
  • ? Behaviors (Delusions/Hallucinations)
  • Block DA receptors ? DA
  • Improves fine motor movement coordination
  • Sensory integration emotional behavior
  • Anticholinergic Effects (Autonomic NS)
  • Dry Mouth Blurred vision
    Constipation
  • Sedation Urinary Retention
    Photophobia
  • Orthostatic Hypotension Nasal Congestion

25
Antipsychotic (Neuroleptic) Meds
  • ?? Prolactin Levels
  • Sexual/Menstrual dysfunction
  • ? Libido
  • Galactorrhea
  • Gynecomastia
  • ? weight gain
  • Cognition
  • ? Alertness ? Concentration
  • ? Seizure threshold ? Risk of seizures

26
Antipsychotic (Neuroleptic) Meds
  • ExtraPyramidal Side Effects (EPS)
  • ?? DA ?? AcH Imbalance
  • ?? Incidence with ?? potency meds
  • Prolixin, Haldol Stelazine
  • Movement disorder
  • Dystonia
  • Pseudoparkinsonism
  • Akathesia
  • Tardive Dyskinesia

27
ExtraPyramidal Side Effects (EPS)
  • Dystonia
  • Quick onset 1st few hours or days
  • ? Adolescent males lt age 25
  • Acute spasms of tongue, face, neck back
  • Hypertonia
  • Laryngospasm Respiratory distress
  • Oculogyric Crisis- Rolling back of eyes
  • Torticolis- Head twisted to 1 side
  • Involuntary uncoordinated movements

28
ExtraPyramidal Side Effects (EPS)
  • Pseudoparkinsonism
  • Appears within 1-5 days
  • ? women older Pts
  • Drooling, Pill-Rolling of thumb finger
  • Mask-like face, Stooped Posture
  • Action Tremors
  • Shuffling gait with small steps
  • Muscle rigidity
  • Bradykinesia
  • Cogwheeling

29
ExtraPyramidal Side Effects (EPS)
  • Akathesia
  • Appears 50-60 days
  • Motor restlessness Nervous Energy
  • Jitteriness
  • Tapping feet constantly
  • Pacing
  • Rocking back forth
  • Frequent position changes

30
ExtraPyramidal Side Effects (EPS)
  • Tardive Dyskinesia
  • Slow insideous process
  • Irreversible after several years of meds.
  • Involuntary movements of
  • Limbs, trunk face.
  • Bizarre facial movements
  • Fly catching with tongue
  • Lip smacking
  • Difficulty swallowing
  • Irregular respirations

31
Neuroleptic Malignant Syndrome NMS
  • Rare idiosyncratic reaction 1 young men
  • ? Incidence with ?? potency meds ?? DA
  • Abrupt onset rapid progression
  • 10 mortality rate
  • Signs
  • Severe muscle rigidity Hyperreflexia (4)
  • Hyperthermia gt 105 Diaphoresis
  • Altered LOC ? Stupor ? Coma
  • ?? HR ?? RR
  • CV Collapse Respiratory failure Fatal!

32
NMS Therapy
  • Immediately D/C med
  • Wait 2 weeks before starting new meds (Lithium)
  • NO Haldol or Thorazine
  • Cooling blanket O2 IV Fluids
  • MSO4 (Morphine sulfate)
  • ? pain ? VS
  • Tylenol
  • ? Temp and pain
  • Dantrolene (Dantrium)
  • muscle relaxant ? Temp
  • Bromocriptine (Parlodel)
  • Dopaminergic ? EPS toxicity

33
Atypical Medications
  • Relieves () (-) Behaviors
  • ? EPS ? Prolactin
  • Clozapine (Clozaril)
  • Binds to 5-HT2, Alpha1,2, H1, DA recptors
  • SE- National registry to monitor SEs!
  • Agranulocytosis
  • WBC lt 3000 or ANC lt 500 D/C med!
  • Mandatory weekly CBC 1st 6 months
  • Then q other week
  • Drowsiness ?Salivation ?Dizziness
  • ? HR ?Weight
  • ? Risk for IDDM Prolonged QT interval

34
Atypical Medications
  • Risperidone (Risperdal)
  • ?? DA ? 5-HT ACh NE
  • Readily absorbed
  • Active metabolite is clinically effective
  • SE
  • Sedation/Insomnia
  • Orthostatic Hypotension
  • ?? Appetite
  • Tardive Dyskinesia

35
Atypical Medications
  • Olanzapine (Zyprexia)
  • Antagonizes DA 5-HT receptors
  • Binds to Histamine
  • Quetiapine (Seroquel)
  • v renal function
  • v EKG for prolonged QT wave
  • Ziprasidone (Geodon)
  • DA 5-HT receptor antagonists
  • ? Depression Anxiety

36
Medication Administration
  • Schedule
  • Initially take meds in divided doses 2-4x/day
  • Non-compliant Pts
  • Haldol decanoate IM q 4 weeks
  • Prolixin decanoate IM q 3 weeks
  • Efficacy
  • Takes 1- 4 weeks for significant response
  • Once symptoms are controlled ? HS ?? SE
  • Dosage
  • Use lowest dosage to ? Tardive Dyskinesia

37
Medication Administration
  • Antiparkinson Meds
  • Give to counteract SE toxic effects
  • Only given with documented S/S of EPS
  • Restore the balance of DA Ach
  • ??DA ??ACh
  • Amantadine (Symmetrel) Benzotropine (Cogentin)
  • Bromocriptine (Parlodel) Trihexyphenidyl
    (Artane)
  • Biperiden (Akineton)
  • Procyclidine (Kemadrin)

38
Patient Teaching
  • Medication
  • Generic trade name, dose, action SE
  • Assess SE How is medication working?
  • Interventions when to notify RN/MD
  • Carry card with Med ID
  • NO ETOH or illegal substances
  • Dont stop taking drug abruptly
  • Dont ? position rapidly

39
Patient Outcome Evaluation
  • Slow progress
  • Services are needed long-term (decades)
  • Set small achievable, short-term goals
  • Assess effective coping skills
  • Obtain Pt family input
  • Pt. safety Communication skills
  • Social Skills Self-Esteem
  • Medication compliance
  • Support system
  • Living in least restrictive setting
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