Personality Disorders Flashcards
ICD classification of personality disorders
- Emotionally unstable (inc borderline)
- Dissocial
- Histrionic
- Anxious (avoidant)
- Dependent
- Schizoid (schizotypal recognised as spectrum of schizophrenia)
- Paranoid
- Anankastic
Implications of personality disorder
- Higher morbidity and mortality (suicide and homicide)
- Shorter life expectancy
- Difficulties in interpersonal relationships –> poor quality care
- Smoking, alcohol and drug misuse
Assessment of personality disorders
- Standardised assessment of personality - abbreviated scale
- Iowa Personality disorder screen
Key symptoms of borderline personality disorder - emotional
Emotional:
* Heightened emotional sensitivity
* Impaired emotional regulation
* Slow return to baseline from emotionally heightened status
* Chronic feelings emptiness
* Difficulty to control angry feelings
Key symptoms of BPD - interpersonal
- Abandonement fears
- Relational instability
Key symptoms of BPD - behavioural
- Impulsive behaviours (eg binge eating, reckless spending)
- Self harming
- Suicidal behaviours
Cognitive symptoms of BPD
- Identity disturbance
- Transient psychotic symptoms
- Dissociative experiences
Factors influencing development of BPD
- Genetic factors
- HPA axis - when activated in response to chronic stress eg childhood abuse, function can be compromised
- Neurotransmitters and endogenous opioids - altered oxytocin, opioids and vasopressin. Serotonoergic function in impulsive aggressive
- Structureal and functional brain changes - amygdala, hippocampal. Frontolimbic dysfunction.
- Developmental theories
- Attachment theory
- Adverse events
What is developmental theory?
- Children exposed to emotionally invalidating environment can develop BPD
- Need attachment, containment, communication, inclusion and agency for healthy personality formation
- Disruption to these in form of abuse, neglect, deprivation or loss can result in BPD
What is mentalising theory?
- Capacity to make sense of ourselves and of others in terms of mental states
- If parents emotionally under involved with children this impairs social cognitive capacity and undermines experience in own mind - misread own mind and minds of others.
Adverse events and BPD
- History of sexual abuse is common in BPD
- Neglect by caregivers
- Parental responsiveness following reports of abuse (believing, protecting and not expressing high levels of anger)
Screening for BPD
- McLean screening instrument for BPD
Management of paracetamol overdose
IV n-acetyl cysteine
Features of overdose of paracetamol which dictate whether can treat with medication or not
- Amount taken - paracetamol level blood tst
- Staggered overdose or taken at once (if staggered, need NAC)
Questions to ask to assess intention of overdose? What can indicate level of suicidality?
- What did you want to happen after you took the tablets?
- Had you planned this in advance?
- Preperations in place for attempt - eg stockpiling meds
- Final acts - Had you written a note? Made a will? Said goodbyes? Arranging care of children/pets?
- Help seeking
- Attempts for overdose to be concealed
- How do you feel now you are awake? Do you feel regret?
- Had you been drinking alcohol or doing illicit drugs at the time?
- Do you want to try and do that again?
Key features or symptoms of EUPD
- Intense unstable relationships
- Unclear sense identity
- Impulsivity
- Unpredictable affect
- Thoughts, threats or acts of self harm
- Unpredictability
Aetiologies of personality disorders
- Childhood development - insecure attachments, trauma, inconsistent parenting
- Genetic
- Psychodynamic theories - maladaptive or primintive defence mechanisms
- Cognitive behavioural theories - development of maladapative schemata/core belieds derived from early experiences
Management recommendations for EUPD
Psychoeducation
Psychotherapy mainly:
* Dialectical behavioural therapy
* Therapeutic community
* Cognitive analytic therapy
* Psychodynamic therapy
Cluster A personality disorders
- Paranoid
- Schizoid
- Schizotypal
Cluster B personality disorders
- Antisocial
- Histrionic
- Narcisstic
- Borderline (EUPD)
Cluster C personality disorders
- Avoidant
- Dependent
- Obsessive compulsive/Anankastic
Cluster A - paranoid personality type
- Hypersensitivity and unforgiving attitude when insulted
- Unwarranted tendency to question the loyalty of friends
- Reluctant to confide in others
- Preoccupation with conspirational beliefs and hidden meaning
- Unwarranted tendency to perceive attacks on character
Schizoid Cluster A personality traits
- Indifference to praise and criticisim
- Preference solitary actvities
- Lack interest in sexual relationships
- Lack desire companion
- Emotionally cold
- Few interests
- Few friends/confidants other than family
Schizotypal Cluster A traits
- Ideas of reference (differ from delusions in that some insight)
- Odd beliefs and magical thinking
- Unusual perceptual disturbances
- Paranoid ideation/suspiciousness
- Odd/eccentric behaviour
- Lack close friends other than family
- Inappropriate affect
- Odd speech without being incoherent