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Psychiatric Nursing Schizophrenia 1

Psychiatric Nursing Schizophrenia 1. Features of Schizophrenia Prevalence in U.S. is 1.1%. Average onset is late teens to early twenties, but can be as

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Page 1: Psychiatric Nursing Schizophrenia 1. Features of Schizophrenia Prevalence in U.S. is 1.1%. Average onset is late teens to early twenties, but can be as

Psychiatric Nursing

Schizophrenia

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Page 2: Psychiatric Nursing Schizophrenia 1. Features of Schizophrenia Prevalence in U.S. is 1.1%. Average onset is late teens to early twenties, but can be as

Features of Schizophrenia

• Prevalence in U.S. is 1.1%.• Average onset is late teens to early

twenties, but can be as late as mid-fifties

• Affects cognitive, emotional, and behavioral function

• 30% to 40% relapse rate in the first year

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Schizophrenia• Schizophrenia was derived from Greek=Schizo (split) and

Phren (mind) Much debates has surrounded the concept of

schizophrenia; various definitions, numerous treatment strategies, but non have proved to be completely effective.

• Although wide controversy around schizophrenia, most clinicians agreed on two factors:

1. Schizophrenia is not a homogenous disease entity of a single cause BUT results from a variable combination of genetic predisposition, biochemical dysfunction, physiological factors, & psychosocial stress.

2. Yet, and probably never will be a single treatment that cures the disorder.

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Schizophrenia

• Effective treatment requires a comprehensive, multidisciplinary effort, including pharmacotherapy & various forms of psychosocial care, such as living skills & social skills training, rehabilitation, & family therapy.

• Of all the mental illnesses, schizophrenia cause more lengthy hospitalization, more chaos in family life, cost more to individual and government.

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• What is Schizophrenia? Is it Dual personality?• Schizophrenia: is a severe psychotic disorder

characterized by a breakdown of thought processes and by poor emotional responsiveness. It affects the mood, regulation of emotions, thought processes, behavior, perception, affect, & total personality integrity.

• It most commonly associated with auditory hallucinations, paranoid or bizarre delusions, or disorganized speech or thoughts.

• These disturbances result in a severe deterioration of social & occupational functioning.

Definition of Schizophrenia

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Facts about Schizophrenia

• Symptoms generally appear in late adolescence or early adulthood, although they may occur in middle or late adult life (APA, 2000). They occur earlier in men than in women.

• Approximately 1.7 million American adults have schizophrenia.

• They make up more than 50% of the long-term residents of mental hospitals.

• Between 10%-15% of them commit suicide, usually before age 40.

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Features of Schizophrenia (cont'd)

• Progression varies from one client to another– Exacerbations and remissions– Chronic but stable– Progressive deterioration

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Features of Schizophrenia (cont'd)

• DSM-IV-TR Diagnosis– Symptoms present at least 6 months– Active-phase symptoms present at least

1 month– Symptoms are defined as positive and

negative

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Features of Schizophrenia (cont'd)

• Positive symptoms – Excess or distortion of normal

functioning– Aberrant response

• Negative symptoms– Deficit in functioning

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Features of Schizophrenia (cont'd)

• Positive Symptoms of Schizophrenia – Hallucination– Delusions– Disordered speech and behavior

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Features of Schizophrenia (cont'd)

• Negative Symptoms of Schizophrenia– Flat affect and apathy– Alogia– Avolition– Anhedonia

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Classifications of Schizophrenia

• Two major groupings can be seen in schizophrenia:

1. Chronic: long-term illness with poor prognosis.

2. Acute: have good prognosis. 1% of population will develop

schizophrenia over the course of life time. There is a premorbid behavior that

proceeds schizophrenia (the development of the disease occurs in phases)

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Phases of schizophrenia development

1. Phase I Schizoid personality: indifferent (unresponsive) to social relationships, limited range of emotional experience and expression. They do not enjoy close relationships and prefer to be “loners” & described as being cold and aloof (not interested).

Not all individuals with schizoid personality will progress to schizophrenia, but most with schizophrenia show evidence of having these characteristics in the premorbid condition.

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Phases of schizophrenia development

2. Phase II Prodromal phase: social withdrawal, role functioning impairment, poor hygiene, self neglect, bizarre ideas, unusual perceptual experiences, lack of energy & initiatives.

The length of this stage is highly variable (many years before deteriorating to schizophrenic state).

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Phases of schizophrenia development

3. Phase III Schizophrenia: the active phase of the disorder. Psychotic symptoms are prominent. Diagnostic criteria for schizophrenia:

• Characteristics symptoms: include two or more of the following:

DelusionsHallucinationsDisorganized speech (why does this happen?)Catatonic behavior (Behavior characterized by

muscular tightness or rigidity and lack of response to the environment. In some patients rigidity alternates with excited or hyperactive behavior).

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Phases of schizophrenia development

Negative symptoms (affective flattening and alogia, lack of desire to form relationships (asociality), and lack of motivation (avolition)).

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Phases of schizophrenia development

• Social/occupational dysfunction It happen for a significant portion of the time since the

onset of the disturbance, one or more major areas of functioning-such as work, interpersonal relations, or self-care are markedly below the level achieved before the onset.

• DurationThis period should include at least 1 month of

symptoms.

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Phases of schizophrenia development

• Schizoaffective & Mood disorder ExclusionSchizoaffective disorder and Mood disorder with

psychotic features have been ruled out because no major depressive, manic or mixed episode have occurred during the active-phase symptoms.

• Substance /General medical conditions ExclusionThe disturbance is not due to the direct physiological

effects of a substance or medical conditions.

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Phases of schizophrenia development

• Relationship to a pervasive developmental disorder If there is a history of pervasive development disorder

(autistic disorder). the additional diagnosis of schizophrenia is made only if

prominent hallucinations & delusions are there for 1month.

4. Phase IV Residual phase: this stage usually follows the active phase of schizophrenia. Symptoms are similar to those of the prodromal phase, with flat affect and impairment in role functioning are prominent. Residual impairment often increases between episodes of active psychosis.

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• Several factors result in positive prognosis: later age at onset, being female, abrupt onset of symptoms, precipitated by a stressful event, associated mood disturbance, brief duration of active-phase, absence of structural brain abnormalities, normal neurological functioning, a family history of mood disorder, & no family history of schizophrenia.

Phases of schizophrenia development

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Etiological implications

• The cause of Schizophrenia is still uncertain. No single factor can be implicated in the etiology; rather, the disease probably results from a combinations of influences including biological, psychological, and environmental.

1. GeneticsThe evidence for genetic vulnerability to schizophrenia is

growing. Relatives of individuals with schizophrenia have a higher probability of developing the disease than does the general population (1% for normal population and 5-10% for siblings with the disease).

How schizophrenia is inherited is still uncertain. No reliable biological markers have yet been found.

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Etiological implications

1. Genetics (continued)Twin Studies: rate of schizophrenia among monozygotic

(identical) twins is 4 time that of dizygotic (fraternal) twins & almost 50 times that of general population.

• Rearing? Studies found that identical twins reared apart have the same rate of development of the illness as do those reared together. Because in about 50% of the cases only one of a pair of monozygotic twins develops schizophrenia, some investigators believe that environmental factors interact with genetic ones.

Adoption Studies: adoption studies found that children who were born of schizophrenic mothers were more likely to develop the illness.

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Figure 16-2 PET (positron emission tomography) scans measuring regional cerebral blood flow. (a) Areas of lower

blood flow and brain activity are seen in the individual with schizophrenia. (b) Areas of normal blood flow and brain activity are

visible in the unaffected individual. Photo courtesy of R.

Haier/Photolibrary.

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Etiological implications

2. Biochemical influences oldest and most explored theory to explain schizophrenia

attributes a pathogenic role to abnormal brain biochemistry.The Dopamine Hypothesis: the theory suggest that

schizophrenia (or schizophrenia-like symptoms) is caused by an excess of dopamine activity (increase production of dopamine, increase the number of dopamine receptors, and reduce activity of dopamine antagonists).

Pharmacological support for this hypothesis exists. Neuroleptics/antipsychotic (e.g. Haldol) lower brain level of dopamine by blocking dopamine receptors, thus reducing the symptoms.

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Etiological implications

• Biochemical influences continued Other Biochemical Hypotheses: Abnormalities in the

neurotransmitters norepinephrine, serotonin, acetylcholine and gamma-aminobutyric acid and in the neuroregulators such as prostaglandins and endorphins, have been suggested.

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Etiological implications3. Physiological InfluencesThese are the possible factors although there mechanism is

unclear:Viral infection: high incidence of schizophrenia after

prenatal exposure to influenza.Anatomical abnormalities: structural brain abnormalities

have been observed in individuals with schizophrenia.Physical conditions: link have been reported between

schizophrenia and epilepsy, Huntington’s chorea (neurodegenerative genetic disorder), birth trauma, head injury in adulthood, alcohol abuse, cerebral tumor, CVA, Systemic lupus erythemastosus (SLE) and parkinsonians.

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Etiological implications

4. Psychological influencesEarly conceptualization of schizophrenia focused on

family relationships factors as major influences in the development of the illness. This probably occurred in the absence of information related to the biological connection.

Poor parent-child relationships and dysfunctional family system may consider as risk factor for schizophrenia.

Can family interaction cause schizophrenia?

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Etiological implications

5. Environmental influencesSociocultural factors:o number of individuals from lower socioeconomic

classes experience symptoms associated with schizophrenia more than individuals from higher classes. Lower social classes (living in poverty, congested accommodations, inadequate nutrition, absence of prenatal care and few resources of dealing with stress).

o Downward drift hypothesis: It views poor social condition, isolation and segregation of self from others as a consequence to the disorder not a cause.

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Etiological implications

Environmental influences continuedStressful life events: although there is no scientific evidence, it is probable that stress may contribute to the severity and course of the illness. This depend also on severity of stress and degree of genetic vulnerability to schizophrenia.

6. Theoretical integration The etiology of schizophrenia remains unclear. no single

cause/theory have given the clear-cut explanation for the disease. The more evidence is supporting the concept of multiple causation in the development of schizophrenia. The most current theory seems to be that schizophrenia is a biological based disease, the onset of which is influenced by factors in the environment (internal and external).

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Famous people with Schizophrenia

• John Nash (1928- - Mathematician/Nobel Prize Winner 1994.

• Dr. James Watson (discovered DNA and Nobel Prize winner 1962)

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Differential diagnosis according to the total symptoms.

1. Disorganized (hebephrenic) schizophrenia.* Onset of the symptoms usually before 25 years old & the

course is commonly chronic. Poor contact with reality, inappropriate or flat affect, bizarre mannerisms are common, incoherent communication (hard to understand them), social impairment is extreme, & personal appearance in general is neglected with poor hygiene.

2. Catatonic schizophrenia.• Characterized by marked abnormalities in motor behavior

manifested in two forms: catatonic stupor (psychomotor retardation) or catatonic excitement (extreme psychomotor agitation).

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Types of schizophrenia and other psychotic disorders:

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Types of schizophrenia and other psychotic disorders:

3. Paranoid Schizophrenia.• Manifested y the presence of delusion of persecution

and grandeur and auditory hallucinations. Pt. is often tense, suspicious, guarded, hostile and aggressive. Symptoms late 20s or 30s.

4. Undifferentiated schizophrenia:• Symptoms of psychosis (delusions, hallucinations,

incoherence, and bizarre behavior) are present, however, these symptoms cannot be easily classified in any kind of schizophrenia.

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5. Residual schizophrenia:• Individual has a history of at least one previous episode of

psychotic symptoms with prominent psychotic symptoms but no longer displays prominent symptoms.

• Residual symptoms include: social isolation, impairment in personal hygiene and blunt effect.

6. Schizoaffective disorder:• Schizophrenic behaviors with strong elements of

symptoms associated with mood disorder (mania or depression). Pt. appear depressed with psychomotor retardation, suicide ideation or symptoms may include euphoria and hyperactivity.

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Types of schizophrenia and other psychotic disorders:

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7. Brief Psychotic disorder:• Sudden onset of psychotic symptoms that may or may not be

proceeded by a sever psychosocial stressor (last at least one day but less than one month).

• Individuals with personality disorders are more susceptible to this type.

8. Schizophreniform disorder:• Duration of predormal, active, and residual stages is at least

1 month and less than 6 months. If more than 6 months, the diagnosis will be schizophrenia.

9. Delusional disorder• The essential features of this disorder is the presence of one

or more of non-bizarre delusions that persist for at least 1 month. Behavior is not bizarre.

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Many subtypes is based on the delusional theme:– Erotomanic: individuals believes that someone, usually of

higher status, is in love with him or her.– Grandiose: individual have irrational ideas regarding their

own worth, talent, knowledge, or power.– Jealous: content delusion centers on the idea that

person’s sexual partner is unfaithful (irrational and without cause but the patient tries to justify it).

– Persecutory: individuals believe they are being malevolently treated in some way (cheated, spied on, poisoned, drugged, etc.).

– Somatic: individuals believe they have some physical defect, disorder, or disease (foul oder, insects on the skin, internal parasite, ugly body parts, dysfunctional body parts).

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10. Shared psychotic disorder* Delusional system that develops in a second person as a

result of a strong relationship with another person who already has a psychotic disorder with prominent delusions. The primary person with the disorder is usually the dominant person in the relationship.

11. Psychotic disorder due to medical condition* Hallucination and delusion directly attributed to a medical

condition such as Neurologic conditions (CNS infection), Endocrine conditions, Metabolic conditions (hypoxia), Autoimmune conditions (SLE), & others (fluid imbalance).

12. Substance-induced psychotic disorder * Presence of hallucinations and delusions due to

physiological effect of substance. Such as drug of abuse (cocaine, opioids, alcohol), medications (anesthetics, analgesics, anticonvulsants) & Toxins (organophsphorate insecticides, carbon dioxide, carbon monoxide).

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Nursing care for schizophrenia• Assessment: Assessment of the client with schizophrenia may be a complex

process, therefore , data may be obtained from different recourses: Family members, old records, other individuals.

• Behavioral disturbances in eight areas of functioning are affected:

1. Content of thoughtDelusions: false personal beliefs that are inconsistent

with the person’s intelligence or background. Delusions are subdivided into:• Persecutory: individual feels threatened and believes

others intend to harm him/her.• Grandiosity: individual has an exaggerated feeling of

power • Reference: all events within environment referred by

psychotic person to him/her self.

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Nursing care for schizophrenia

Delusions (continued)• Control or influence: certain objects or person have

control over psychotic person.• Somatic delusions: the individual has a false ideas

about the functioning of his or her body.• Nihilistic delusions: the individual has a false idea that

the self, a part of the self, others, or the world is nonexistent.

Religiosity: is an excessive demonstration of or obsession with religious ideas and behavior.

Paranoia: individuals have extreme suspiciousness of others and of their actions or perceived intentions.

Magical thinking: individuals believe that their thoughts or behaviors have control over specific situations or people.39

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Nursing care for schizophrenia

2. Form of thought– Associative looseness: ideas shift from one unrelated

subject to another.– Neologism: psychotic person invents new words that

are meaningless to others.– Concrete thinking: regression to an earlier level of

cognitive development.– Clang association: choice of words is governed by

sounds

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Nursing care for schizophrenia

– World salad: group of words without logical connection.

– Circumstantiality: delayed in reaching point of communication because of unnecessary details.

– Tangentiality: the person never gets to the point of communication.

– Mutism: individuals inability or refusal to speech– Perseveration: repeating the same ideas or words in

response to different questions.

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Assessment of schizophrenia3. Perception

• Hallucinations: Auditory, visual, tactile, gustatory, olfactory

• Illusion: misperceptions of real external stimuli.4. Affect

• Inappropriate affect: emotional tone is incongruent with circumstances

• Bland of flat affect: emotional tone is weak.• Apathy: disinterest in environment.

5. Sense of self: – Echolalia: repeat words– Echopraxia: imitate movements– Identification and imitation: self-identity confusion– Depersonalization: feeling unreality

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Assessment of schizophrenia

6. Volition: impairment in ability to initiate goal-directed activity. – Emotional ambivalence: opposite emotion to same

situation.– Impaired interpersonal functioning: intrude others

personal space– Autism: focuses on a fantasy world.– Deteriorated appearance

7. Psychomotor behavior:– Anergia: deficiency of energy– Waxy flexibility: body parts placed in bizarre positions.

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Assessment of schizophrenia

– Posturing: bizarre postures– Pacing or rocking: back and forth rocking

8. Associated Features• Anhedonia: inability to experience pleasure• Regression: to retreat to an earlier level of

development.

9. Positive & Negative Symptoms • +ve: reflect an excess or distortion of normal

functions.• -ve: loss of normal functions.

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Nursing Implications (cont'd)

• Nursing Diagnoses– Altered thought process– Social isolation– Risk for violence– Self-care deficits– Altered health maintenance– Ineffective family coping

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Nursing Implications:Supporting Families

• Family needs vary with degree of illness and involvement in client’s care– Education– Financial support– Psychosocial support – Advocacy

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Nursing Implications:Supporting Families (cont'd)• Schizophrenia is a “family illness.”• Family members need to be involved.• Educate family about

– Medication– Illness– Relapse prevention

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Nursing Implications:Supporting Families (cont'd)• Nurse assists family by

– Identifying community agencies/groups for family members

– Advocating for rights

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Measures to Prevent Relapse

• Ensure client takes medication• Educate family about signs and

symptoms of relapse• Client and family to participate in

relapse prevention program

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Measures to Prevent Relapse (cont'd)

• Relapse prevention programs work best when:– Psychosocial treatment and social skills

training are combined with antipsychotic medication

– Behavior patterns are monitored– Family members understand triggers

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Measures to Prevent Relapse (cont'd)

• Relapse prevention programs provide education and support regarding:– Individual triggers, symptoms of relapse– Managing side effects of medications– Interventions to reduce or eliminate

triggers– Strategies to facilitate early intervention– Cognitive therapy – Community resources

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Challenges to Adherence

• Side effects• Level of symptomatology• Cognitive, motivational, financial,

and cultural issues• Issues with caregivers• Insufficient medication teaching

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Increasing Adherence

• Involve clients in treatment• Instruct client about reducing

discomfort• Provide peer support• Provide reminders and positive

feedback• Recognize accomplishments

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Personal Awareness

• Identify personal feelings.• Recognize personal perceptions.• What behaviors do you expect to

see?• How will you respond to these

behaviors?• What is the meaning of the

behaviors?

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Personal Awareness (cont'd)

• What defines “normal” behavior?• What are my fears associated with

mental illness?

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Personal Awareness (cont'd)

• Be honest with your feelings.• Identify what strengths you bring to

the situation.• Remember that clients are human

beings with a mental disorder and do not choose to be this way.

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Treatment modalities for Schizophrenia

• Individual psychotherapy– Problem solving, reality testing, psychoeducation, and

supportive & cognitive-behavioral techniques.– Reality-oriented individual therapy is the most suitable

approach.– Effort should focus on decreasing anxiety and

increase trust.– Because it is difficult to establish relationship with pt.

the successful intervention may be achieved with honest, simple directness, and respecting the client privacy and dignity.

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Treatment modalities for Schizophrenia

• Group therapy– It is less productive in inpatient settings.– It is the most useful over the long-term course of the

illness.• Behavior therapy

– It help in reducing the frequency of bizarre, disturbing, and deviant behaviors and increase appropriate behaviors. Features led to positive results include:

– Clearly defined goals.– Attaching +ve, -ve, & aversive reinforcements to

adaptive and maladaptive behavior.– Using simple, concrete instructions and prompts to

elicit the desired behavior.71

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Treatment modalities for Schizophrenia

• Social skill training– One of the most widely used psychosocial

interventions.– The educational procedure focus on role-play, like

using scenarios.– Progress is directed toward the client’s need and

limitations.

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Treatment modalities for Schizophrenia

• Milieu therapy– More successful if used in conjunction with

psychotropic medications.• Family therapy

– Designed to support the family system, prevent or delay relapse, and help maintain the client in the community.

• Antipsychotic drugs– Antipsychotic medications– Reserpine: a dopamine receptor antagonist used as

antihypertensive and antipsychotic. It is now rarely used because it produced severe depression

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Treatment modalities for Schizophrenia

• Antipsychotic drugs (continued)– Lithium carbonate: used to suppress episodic

violence.– Carbamazepine: ameliorates symptoms in some

treatment-resistant psychotic client.– Valium: control agitation, thought disorder, delusions,

and hallucinations.– Propranolol: useful in controlling temper outbursts in

aggressive or violent psychotic clients.

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THANK YOU

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