Personality Disorders

Personality Disorders Overview

Common Characteristics of Personality Disorders

  • Difficulty realizing personality “problems”: Individuals may be unaware or in denial about the impact of their personality disorder.
  • Maladaptive response to stress: Individuals demonstrate detrimental coping strategies under stress rather than adaptive ones.
  • Disability in working/loving: These disorders significantly impair social relationships and vocational functioning.
  • Evoke interpersonal conflict: Individuals often create tensions or conflicts in their relationships with others.
  • Easily provoke/irritate others: Their behaviors may lead others to feel frustrated or upset with them.

Clusters of Personality Disorders

  • Cluster A (weird): Includes
    • Paranoid
    • Schizoid
    • Schizotypal
  • Cluster B (wild): Includes
    • Antisocial
    • Borderline
    • Histrionic
    • Narcissistic
  • Cluster C (wimpy): Includes
    • Avoidant
    • Dependent
    • Obsessive-Compulsive

Epidemiology and Comorbidity

  • Global prevalence: Approximately 6% of the global population is affected by personality disorders.
  • U.S. prevalence: About 10% of the U.S. population has personality disorders.
  • Cultural variability: Different cultural backgrounds and diagnostic practices can obscure the true prevalence of these disorders.
  • Common comorbidities: Personality disorders often coincide with depression, anxiety disorders, substance abuse, and mood/eating disorders.
  • Prognostic implications: The presence of comorbid mental health illnesses typically predicts a poorer outcome for individuals with personality disorders.

Risk Factors

  • Inherited traits: Personality traits (not disorders) that are genetic can escalate the risk of developing a personality disorder.
  • Defensive mechanisms: Poor coping strategies, such as
    • Suppression
    • Regression
    • Repression
      can incur an increased risk.
  • Childhood trauma: Experiences of neglect or trauma during childhood heighten vulnerability to developing personality disorders.

Inherited Personality Traits with Increased Risk

  • Novelty seeking: Desire for new experiences can lead to risky behaviors.
  • Harm avoidance: Tendencies to avoid danger may lead to extreme behaviors.
  • Reward dependence: Seeking rewards can lead to dependency issues.
  • Persistence: Ability to stick to tasks might manifest as rigidity in certain disorders.
  • Neuroticism vs. Emotional Stability: Individuals who are prone to negative emotions may be at higher risk.
  • Introversion vs. Extraversion: Personality type can influence social interactions and coping styles.
  • Conscientiousness vs. Undependability: Influences reliability and social responsibility.
  • Antagonism vs. Agreeableness: Relationship quality can hinge on these traits.
  • Closeness vs. Openness to Experiences: Influences social connectivity and adaptability.

Cluster A: Odd or Eccentric

Paranoid Personality Disorder

  • Signs and Symptoms (S/S):
    • Distrust and suspicion of others.
    • Sensitivity to criticism.
    • Short temper; quick to anger.
    • Unwillingness to forgive.
    • Jealous nature.
  • Treatment: Can include
    • Antianxiety medications or antipsychotics (generally as needed or for short-term use).
  • Nursing Interventions:
    • Use simple language and maintain a neutral tone during communication.
    • Keep promises and avoid changing appointments.
    • Implement limit setting strategies to manage interactions.

Schizoid Personality Disorder

  • Signs and Symptoms (S/S):
    • Social withdrawal.
    • Lack of strong emotions.
    • Emotional detachment from others.
    • Trust issues; low relationship engagement.
  • Treatment:
    • Antidepressants and atypical antipsychotics may be prescribed, especially for anhedonia.
  • Nursing Interventions:
    • Avoid overly friendly behavior; discussion should be practical and relevant.
    • Teach coping skills for emotional processing and protect against ridicule in group settings.
    • Conduct thorough assessments, understanding that patients may withhold concerns.

Schizotypal Personality Disorder

  • Signs and Symptoms (S/S):
    • Magical thinking and strange beliefs.
    • Odd speech patterns and behaviors.
    • Inappropriate emotional responses in social contexts.
    • Paranoia and episodes of brief psychosis.
  • Treatment:
    • Use of antidepressants, antianxiety medications, or antipsychotics.
  • Nursing Interventions:
    • Respect the individual’s social isolation and be mindful of their suspicious nature.
    • Acknowledge their unusual beliefs/activities and assess for suicidal ideation or homicidal ideation (SI/HI).

Cluster B: Dramatic, Emotional, Erratic

Histrionic Personality Disorder

  • Signs and Symptoms (S/S):
    • Seeking attention and displaying excessive emotionality.
    • Self-centered behavior; flamboyant personality.
    • Fixation on own physical appearance, occasionally such as through seductive behavior.
  • Treatment:
    • Medications may include antianxiety, antidepressants, and antipsychotics.
  • Nursing Interventions:
    • Maintain professionalism and assist in exploring feelings.
    • Monitor for any suicidal ideation (SI).

Narcissistic Personality Disorder

  • Signs and Symptoms (S/S):
    • Grandiose self-image and entitlement.
    • Lack of empathy for others; arrogant demeanor.
  • Treatment:
    • Mood stabilizers and antidepressants can be employed.
  • Nursing Interventions:
    • Keep a neutral demeanor, model empathetic behavior, and avoid power struggles.

Antisocial Personality Disorder

  • Signs and Symptoms (S/S):
    • Irresponsibility and engagement in illegal activities.
    • Deep absence of empathy, guilt, or remorse.
    • Risk-taking behaviors associated with addiction, frequently observing substance abuse.
  • Treatment:
    • Use of mood stabilizers, antidepressants, and benzodiazepines as needed.
  • Nursing Interventions:
    • Prioritize safety assessment and limit setting.
    • Ensure staff consistency in treatment approaches.
    • Encourage patients to identify undesirable behaviors and respond to requests through a single designated staff member.

Borderline Personality Disorder

  • Signs and Symptoms (S/S):
    • Impulsivity and emotional instability; mood swings.
    • Self-destructive tendencies, frequently rooted in fear of abandonment.
    • Chronic suicidal ideation and feelings of antagonism; experience of “splitting” (black-and-white thinking).
  • Treatment:
    • May require frequent inpatient hospitalizations, in addition to antidpressants, mood stabilizers, and antipsychotics.
  • Nursing Interventions:
    • Set clear limits, assess for SI/HI and substance abuse, and promote healthy coping skills.

Cluster C: Anxious or Fearful

Avoidant Personality Disorder

  • Signs and Symptoms (S/S):
    • Avoidance of social interactions due to fear of criticism and rejection.
    • Experience low self-esteem and strong anxiety in social contexts.
  • Treatment:
    • Antidepressants and antianxiety medications are common treatments.
  • Nursing Interventions:
    • Understand and validate the anxiety associated with social encounters; implement assertiveness/social skills training carefully.

Dependent Personality Disorder

  • Signs and Symptoms (S/S):
    • Clingy behavior and high levels of submissiveness.
    • Perceived overwhelming necessity for care and support from others.
  • Treatment:
    • Antidepressants and antianxiety medications are typically prescribed.
  • Nursing Interventions:
    • Model assertive behavior and assist patients in recognizing their needs, while avoiding countertransference in interactions.

Obsessive-Compulsive Personality Disorder

  • Signs and Symptoms (S/S):
    • Preoccupation with perfectionism, orderliness, and control over situations.
    • May experience procrastination due to perfectionist demands or inflexible standards.
    • This disorder is distinguished from OCD by its broader characteristics.
  • Treatment:
    • Antidepressants such as Clomipramine or Prozac may be utilized.
  • Nursing Interventions:
    • Avoid engaging in power struggles; provide structure and allow additional time to complete tasks.
    • Teach coping strategies for managing anxiety related to their perfectionism.

Assessment of Personality Disorders

  • Minnesota Multiphasic Personality Inventory (MMPI): Useful for assessing Borderline Personality Disorder.
  • Comprehensive evaluations include:
    • Full medical history.
    • Psychosocial history to understand context.
    • Assessment of any suicidal or aggressive thoughts.
    • Evaluate risk of harm to self or others.
    • History of medication or illicit drug use.
    • Financial stability.
    • Legal background.
    • Current or past abuse situations.

Interventions for Manipulative, Aggressive, or Impulsive Behavior

  • Specific strategies to manage manipulative behavior, aggressive behaviors, and impulsivity are highlighted in tailored intervention frameworks (Box 24-1, Box 24-2, Box 24-3).

Interactive Component

Examples of Personality Disorders in Pop Culture

  • Characters like BATMAN, WILLY WONKA, ZOOLANDER, TRUMP, ANAKIN SKYWALKER, SHELDON COOOPER, and THE GRINCH are portrayed throughout illustrations, fostering understanding and discussion of personality disorder traits. Their characteristics create relatable scenarios for the viewers and stimulate discussions about real-world implications of these disorders.