personality disorders

Personality Disorders Overview

1. Classification of Personality Disorders

• Cluster A: Odd & Eccentric

  • Paranoid

  • Schizoid

  • Schizotypal

• Cluster B: Dramatic, Emotional, Erratic

  • Borderline

  • Narcissistic

  • Histrionic

  • Antisocial

• Cluster C: Anxious & Fearful

  • Avoidant

  • Dependent

  • Obsessive-Compulsive

2. Epidemiology & Comorbidity

• Prevalence of Personality Disorders

  • About 6% of the global population.

  • Seen in up to 50% of psychiatric patients.

• Emotional Dysregulation

  • Emotional dysregulation is amplified in these disorders.

• Risk Factors

  • Genetic: Genetic predispositions may play a role in the development of personality disorders.

  • Neurobiological: Brain structure and function may influence personality traits.

  • Psychological: Individual personality traits and past experiences may contribute.

  • Environmental: Stressful life events and upbringing can impact personality development.

  • Diathesis-stress Model: Suggests that individuals may have a predisposition for certain disorders which can be triggered by environmental stress.

Cluster A Personality Disorders

1. Paranoid Personality Disorder

• Prevalence: 2% to 4% of the population.

• Characteristics:

  • Symptoms can appear in childhood.

  • Exhibits social anxiety when young.

  • Jealous and controlling behaviors as adults.

  • Unwillingness to forgive and project feelings onto others.

• Treatment:

  • Counteract mistrust by:

  • Adhering to schedules.

  • Avoiding overly friendly behaviors.

  • Projecting a neutral but kind affect.

  • Choice of therapy: Psychotherapy versus group therapy.

  • Short-term antidepressants may be prescribed.

2. Schizoid Personality Disorder

• Prevalence: Nearly 5% of the population.

• Characteristics:

  • Symptoms typically appear in childhood or adolescence.

  • Individuals are loners and may perform poorly academically.

  • Increased prevalence of disordered family life.

  • Tend to avoid close relationships, often experiencing depersonalization and detachment.

• Nursing Guidelines:

  • Avoid being overly “nice” or “friendly.”

  • Do not attempt to increase socialization.

  • Assess for symptoms the patient might be reluctant to discuss.

  • Protect against ridicule from groups.

• Treatment:

  • Psychotherapy.

  • Group therapy may be indicated.

  • Antidepressants may also be considered.

3. Schizotypal Personality Disorder

• Prevalence: Varies from 0.64% to 4.6% of the population.

• Characteristics:

  • Experiences severe social and interpersonal deficits; anxiety in social settings.

  • Exhibits rambling conversation.

  • May display paranoia, suspiciousness, anxiety, and distrust.

  • Brief, intermittent episodes of hallucination or delusion may occur.

  • Awareness of their own odd beliefs is possible.

  • Susceptible to involvement with cults or unusual religious/occult groups.

• Nursing Care Guidelines:

  • Respect the patient's need for social isolation.

  • Intervene appropriately with suspiciousness.

  • Conduct careful assessments for symptoms that may require intervention (e.g., suicidal thoughts).

  • Avoid judgment or ridicule.

• Treatment:

  • Psychotherapy aimed at investigating possible cult involvement.

  • Low-dose antipsychotics may be utilized.

Cluster B Personality Disorders

1. Histrionic Personality Disorder

• Prevalence: Nearly 2% of the population.

• Characteristics:

  • Individuals are excitable, dramatic, and often high-functioning.

  • Exhibit bold external behaviors with limited ability to cultivate meaningful relationships.

  • Tend to be attention-seeking and self-centered with a low-frustration threshold.

  • Display excessive emotions, which may be provocative or smothering.

  • Typically lack insight into their disorder and its repercussions on relationships.

• Treatment:

  • Psychotherapy is the preferred treatment modality.

  • Nursing Care Guidelines:

  • Acknowledge that seductive behavior is often triggered by distress.

  • Maintain professional interactions, ignoring flirtations.

  • Model concrete language to aid communication.

  • Help patients clarify their inner feelings and teach assertiveness techniques.

2. Narcissistic Personality Disorder

• Prevalence: Ranges from 0% to 6%.

• Characteristics:

  • Individuals exhibit feelings of entitlement and exaggerated self-importance.

  • Show a lack of empathy and a tendency to exploit others.

  • Often have weak self-esteem and are hypersensitive to criticism.

  • Have an incessant need for admiration, though they may experience less functional impairment compared to other personality disorders.

• Nursing Care Guidelines:

  • Maintain a neutral stance.

  • Avoid entering power struggles or becoming defensive.

  • Role model empathy to foster understanding.

• Treatment:

  • Often challenging since patients are unlikely to seek help or confront their shortcomings.

  • Cognitive-Behavioral Therapy (CBT) can be used to deconstruct faulty thinking.

  • Group therapy may be beneficial; lithium may be prescribed for mood swings.

3. Antisocial Personality Disorder

• Prevalence: Approximately 1.1%.

• Characteristics:

  • Antagonistic behaviors and disinhibited behavior patterns are common.

  • Notable lack of empathy and absence of remorse or guilt.

• Assessment:

  • Patients frequently do not respond honestly during assessments.

  • Nurses must engage in self-assessment based on interactions with these patients.

• Nursing Diagnoses:

  • Risk for other-directed violence.

  • Defensive coping styles.

  • Impaired social interaction.

  • Ineffective health maintenance.

• Outcomes:

  • Aimed at promoting self-restraint of abusive and aggressive behaviors.

  • Focus on improving coping mechanisms, social interaction, and health-promoting behaviors, although these may be difficult to achieve.

  • Ensuring patient safety remains the priority.

• Planning and Implementation:

  • Establishing boundaries, consistency, support, and limits.

  • Offering realistic choices and encouraging teamwork for safety.

  • Use therapeutic communication techniques.

  • Pharmacological interventions may include mood stabilizers.

  • Advanced practice considerations include the understanding that patients rarely maintain long-term relationships.

4. Borderline Personality Disorder

• Prevalence: About 1.6% of the population.

• Epidemiology and Comorbidity:

  • Approximately 10% suicide and mortality rate.

  • 85% of patients have another mental illness.

• Etiology:

  • High genetic correlation observed.

  • Separation-individuation issues noted.

• Clinical Picture:

  • Severe functional impairments, emotional lability, impulsivity, and self-destructive behaviors are hallmarks.

  • Antagonism and a cognitive pattern known as splitting, which reflects inability to acknowledge both positive and negative aspects of self and others.

• Assessment:

  • Semi-structured interviews and use of the MMPI (Minnesota Multiphasic Personality Inventory) are employed.

  • Important components include self-assessment to identify risk factors.

  • Nursing Diagnoses:

  • Self-mutilation, risk for suicide, jeopardized social interaction, disturbed personal identity, and ineffective coping.

• Outcomes and Planning:

  • Utilize Nursing Outcomes Classification (NOC) scales to measure improvement over time.

  • Emphasize the therapeutic relationship to minimize manipulative behaviors.

• Implementation:

  • Provide clear, consistent boundaries and straightforward communication.

  • Calmly review therapeutic goals, ensuring safety and teamwork.

  • Respond strategically to superficial self-injury.

• Pharmacological Interventions:

  • Psychotropic medications aimed toward symptom relief.

  • Advanced practice interventions including staff support in establishing a therapeutic alliance, psychotherapy, CBT, Dialectical Behavior Therapy (DBT), and schema-focused therapy.

Cluster C Personality Disorders

1. Avoidant Personality Disorder

• Prevalence: Approximately 2.4% of the population.

• Characteristics:

  • Involves low self-esteem and increased shyness, which tends to worsen with age.

  • Patients exhibit feelings of inferiority, reluctance to interact with new people, and vulnerability to depression, anxiety, and anger.

  • They are preoccupied with rejection, humiliation, and failure.

• Guidelines for Nursing Care:

  • Implement a friendly, accepting, and reassuring approach.

  • Validate patient fears and advocate for group therapy.

  • Design exercises that promote social skills and reduce the chance of failure.

  • Incorporate assertiveness training.

2. Dependent Personality Disorder

• Prevalence: Around 0.5% of the population.

• Characteristics:

  • Marked by a high need to be taken care of coupled with submissive behavior.

  • Individuals exhibit separation and abandonment fears, often manipulating others to take on responsibilities.

  • Experience intense anxiety when alone, even transiently.

• Guidelines for Nursing Care:

  • Provide assistance with addressing current stressors.

  • Set limits while ensuring the patient does not feel punished.

  • Be mindful of countertransference issues and utilize the therapeutic relationship to bolster assertiveness training.

• Treatment:

  • Psychotherapy is the preferred treatment option.

3. Obsessive-Compulsive Personality Disorder

• Prevalence: Ranges from 2% to 8% of the population.

• Characteristics:

  • Characterized by rigidity and inflexible standards for self and others.

  • Individuals may rehearse social responses excessively and engage in self-defeating goal-seeking behavior.

  • Strict standards can hamper the ability to complete tasks and reinforce an unhealthy obsession with perfection.

• Guidelines for Nursing Care:

  • Shield against power struggles, recognizing the difficulty some patients have with unexpected changes.

• Treatment:

  • Patients often seek assistance for anxiety or depression associated with their disorders.

  • Treatment may involve group and behavioral therapy, as well as pharmacological interventions such as clomipramine or fluoxetine focusing on obsessions, anxiety, and depression.

Audience Response Questions

• Splitting: This cognitive dynamic is most commonly linked to:
  B. Borderline Personality Disorder.

• Perfectionism: This trait is typically associated with:
  A. Obsessive-Compulsive Personality Disorder.