L7 - Traumatic Stress Disorders Flashcards

1
Q

What has to happen for someone to be diagnosed with PTSD?

A

The person must have experienced trauma/ exposure to a major traumatic event

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2
Q

According to the DSM-5 what recurrent intrusion symptoms have to be present and how many and for how long in order for PTSD to be diagnosed?

A

At least one of these symptoms for at least 30 days

  • Distressing memories
  • Distressing dreams
  • Flashbacks
  • Psychological distress or
    psychological reactions to
    exposure internal/ external
    cues that resemble an
    aspect of traumatic event(s)
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3
Q

How many avoidance symptoms have to be present for PTSD to be diagnosed, what are they and how long do they have to be present for?

A

at least 1 for at least 30 days

  • Avoidance of distressing
    memories, thoughts or feelings about the event(s)
  • Avoidance of reminders of
    the event
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4
Q

How many symptoms related to negative alterations in thought/mood have to be present for PTSD to be diagnosed, what are they and how long do they have to be present for?

A

at least 2 for at least 30 days

  • Inability to remember an important aspect of the traumatic event(s)
  • Persistent and exaggerated negative beliefs or expectations about the self, others, or the world
  • Persistent distorted thoughts about why the event occurred
  • Persistent negative emotional state
  • Markedly diminished interest or participation in significant activities
  • Feelings of detachment from other people
  • Difficulty experiencing positive feelings
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5
Q

How many symptoms associated with arousal and reactivity have to be present for PTSD to be diagnosed, what are they and how long do they have to be present for?

A

at least 2 symptoms for at least 30 days

  • Irritability
  • Reckless behaviour
  • Hypervigilance
  • Exaggerated startle
    response
  • Concentration problems
  • Sleep problems
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6
Q

What has to be in place with these symptoms in order for PTSD to be diagnosed?

A

Symptoms persist for a month following traumatic exposure

Symptoms must be associated with at least 1 area of life e.g., social, occupational, relational

Symptoms also can’t be due to other influences e.g., medication use, substance use or other illness.

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7
Q

According to the DSM what is trauma?

A

DSM is very specific about what qualifies as trauma i.e., exposure to actual or threatened death, serious injury, sexual violence or exposure to media (if part of occupation) all can result in trauma.

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8
Q

What are the criticisms of diagnosing PTSD?

A

Meta-analyses have shown consistent social, demographic, trauma related and biological correlates of PTSD

As well as treatments that are effective for PTSD, but these same analyses showed that the effect sizes of many variables vary dramatically

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9
Q

What has research into the prevalence of traumatic events shown?

A

70% of adults have experienced a traumatic event in their lives with 30% experiencing for 4+ years

This was lower in Bulgaria - 28.6% and higher in Ukraine - 84.6%

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10
Q

Based off this research what are the 5 most common traumas:

A
  • Unexpected death of a loved
    one
  • Witnessing a death, a dead
    body or someone seriously
    injured
  • Being mugged
  • Life-threatening automobile
    accidents
  • Life-threatening illness or
    injury
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11
Q

According to these studies what are the lifetime prevalence rates?

A

13.0-20.4% for women
6.2-8.2% for men

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12
Q

What is the difference in 12-month prevalence rates between countries?

A

Higher 12-month prevalence rates in high-income countries compared to low and middle-income countries.

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13
Q

What are the predictions of trauma?

A

Women - more likely to experience intimate partner sexual violence

Men - more likely to experience physical violence and accidents

Traumas involving violence and accidents are more common is adolescences and young adults

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14
Q

What is the issue when trying to identify predictors of PTSD?

A

Trauma is hard to quantify

Evidence that false negatives are more common that false positives

People are more likely to underreport traumas.

Cultural and societal norms around how acceptable/ stigmatised trauma is leads to differences in response rates per country

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15
Q

How does resilience affect PTSD?

A

resilience is a common response to negative life events.

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16
Q

What are the 3 risk factors for PTSD?

A

Pre-trauma risk factors - what happened before the trauma

Peri-trauma risk factors - what happened during the trauma

Post-trauma risk factors - what happened after the trauma

17
Q

What are the biological causes of Pre-trauma?

A

Heritability - increases odds of PTSD but can’t rule out environmental factors

Gene ‘X’ Environment - short allele associated with PTSD but only in highly traumatic events

Highly polygenic - lots of genes exert a small influence

Neuroimaging - smaller hippocampus in those with PTSD

18
Q

What are the environmental causes of PTSD?

A

Sociodemographic factors -
women 2x more likely to be diagnosed
men and women have different emotional, cognitive and neurobiological risk for PTSD

Prior or current psychiatric disorder - majority of PTSD cases having at least 2 or more disorders taking into account comparable symptoms

Family history of psychiatric disorder

Social factors - unstable family life in early childhood

Coping strategies - emotion-focused, avoidant or negative coping styles

19
Q

What are trauma-related factors of peri-trauma?

A
  • trauma severity
  • trauma type
    Extreme interpersonal violence - sexual violence, witnessing atrocities
20
Q

What are the psychological factors of peri-trauma

A

Peri-trauma fear

Perceived life threat

Peri-traumatic dissociation consistently found to be a risk factor for the development of PTSD incl.

  • Depersonalisation
  • Derealisation
  • Dissociation amnesia (out of
    body experience)
21
Q

What are the characteristics of post-trauma?

A
  • Negative cognitive styles
    E.g. catastrophic thinking
  • Maladaptive coping
    strategies
  • Lack of social support
  • Re-victimisation
  • Mental defeat
22
Q

What is cPTSD?

A

Complex PTSD –> included in the ICD-11 but not the DSM-5

23
Q

How does cPTSD differ from PTSD?

A

1) May incl additional symptoms relating to self-organisation
- feelings of worthlessness, shame or guilt
- problems controlling emotions
- finding it difficult to connect to people
- Relationship problems

2) Caused by experiencing recurring or long-term traumatic events
- child abuse or neglect
- domestic violence
- extreme subjugations (e.g., torture, trafficking)
- war

24
Q

How is medication used as a treatment for PTSD

A

21 studies compared the use of SSRI’s and placebos

SSRIs were found to preform slightly better than placebos

However, due to the small effect size medicine is typically inferior when compared to psychological interventions/ therapies

BZDs are effective in short term but can cause ling term dependence/ addiction - ineffective treatment

25
Q

What’s TF-CBT?

A

Trauma-Focused Cognitive Behavioural Therapy + is the preferred treatment for PTSD

26
Q

How does TF-CBT work?

A

Targets specific traumas; sensitive to the unique problems resulting from abuse, violence or grief

Used to modify distorted or unhelpful thinking and negative interactions and behaviours - family therapy techniques are also implemented when applicable.

27
Q

How long is TF-CBT?

A

Typically 8-25 sessions

28
Q

What does EMDR stand for and what does it do?

A

Eye Movement Desensitisation and Reprocessing

designed to alleviate distress associated with traumatic memories

29
Q

What is Shapiro’s (2001) Adaptive Information Processing model and what does it do?

A

Linked to information processing EDMR therapy facilitates the accessing and processing of traumatic memories and other adverse life experience to bring these to an adaptive resolution.

30
Q

How is Shapiro’s (2001) Adaptive Information Processing model utilised?

A

After clinician has discovered the memory to target first they ask the client to hold different aspects of the event or thoughts while being asked to track the therapist’s hand as it moved back and forth the client’s visual field.

Believed to be connected with the biological mechanisms involved in Rapid Eye Movement (REM) sleep, internal associations arise, and the clients begin to process the memory and disturbing feelings

31
Q

What does research into the efficacy of treatment for PTSD show?

A

TF-CBT and EMDR very effective in reducing PTSD with no difference between the two and are more effective than other psychotherapies.

Effective for children, adolescents and adults.

Recommended by NICE