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Evidence-based assessment/Posttraumatic stress disorder (disorder portfolio)

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Type classification: this is an evidence-based assessment resource.

Medical disclaimer: This page is for educational and informational purposes only and may not be construed as medical advice. The information is not intended to replace medical advice offered by physicians. Please refer to the full text of the Wikiversity medical disclaimer.


What is a "portfolio"?

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  • For background information on what assessment portfolios are, click the link in the heading above.
  • Want even 'more' information about this topic? There's an extended version of this page here.

Preparation phase

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Diagnostic criteria for post traumatic stress disorder

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ICD-11 Diagnostic Criteria

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ICD-11 Criteria

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  • Post-traumatic stress disorder (PTSD) is a syndrome that develops following exposure to an extremely threatening or horrific event or series of events that is characterized by all of the following:
    • 1) re-experiencing the traumatic event or events in the present in the form of vivid intrusive memories, flashbacks, or nightmares, which are typically accompanied by strong and overwhelming emotions such as fear or horror and strong physical sensations, or feelings of being overwhelmed or immersed in the same intense emotions that were experienced during the traumatic event;
    • 2) avoidance of thoughts and memories of the event or events, or avoidance of activities, situations, or people reminiscent of the event or events
    • 3) persistent perceptions of heightened current threat, for example as indicated by hypervigilance or an enhanced startle reaction to stimuli such as unexpected noises.
  • The symptoms must persist for at least several weeks and cause significant impairment in personal, family, social, educational, occupational or other important areas of functioning.

Additionally, ICD 11 includes a category called "Complex post-traumatic stress disorder," which is described as:

  • A disorder that may develop following exposure to an event or series of events of an extremely threatening or horrific nature, most commonly prolonged or repetitive events from which escape is difficult or impossible (e.g., torture, slavery, genocide campaigns, prolonged domestic violence, repeated childhood sexual or physical abuse).
  • The disorder is characterized by the core symptoms of PTSD; that is, all diagnostic requirements for PTSD have been met at some point during the course of the disorder.
  • In addition, Complex PTSD is characterized by:
    • 1) severe and pervasive problems in affect regulation;
    • 2) persistent beliefs about oneself as diminished, defeated or worthless, accompanied by deep and pervasive feelings of shame, guilt or failure related to the traumatic event
    • 3) persistent difficulties in sustaining relationships and in feeling close to others. The disturbance causes significant impairment in personal, family, social, educational, occupational or other important areas of functioning.


Changes in DSM-5

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  • The diagnostic criteria for post-traumatic stress disorder changed slightly from DSM-IV to DSM-5. Summaries are available here and here.
  • Changes from DSM-5 to DSM-5 TR are summarized here.


Developmental sensitivities

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More information on developmental sensitivities
  • Diagnostic thresholds have been lowered for children and adolescents to account for development.
  • Separate and additional criteria have been added for children age 6 or younger.
  • Child sexual abuse has been found to have a substantial effect on the development of PTSD.[1]
  • Children with higher exposure to trauma, less social support, and other major life events are more likely to have continued PTSD symptoms 7 months after a trauma.[2] 10 months after a trauma, however, only experience of a major life event remained predictive of continuing PTSD symptoms.[2]
  • Lack of social support, specifically lack of support by a teacher, was predictive of higher PTSD symptoms among children who had gone through an environmental trauma.[2]
  • Children who reported using blame and anger as strategies for coping had higher levels of PTSD symptoms 10 months after a trauma.[2]
  • Negative affect in children before a traumatic event was predictive of development of PTSD symptoms after a traumatic event.[3]

Posttraumatic stress disorder is now more sensitive to development in that diagnostic thresholds have been lowered for children and adolescents. Furthermore, separate and additional criteria have been added for children age 6 years of age or younger.

Base rates of PTSD in different clinical settings and populations

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This section describes the demographic settings of the populations sampled, base rates of PTSD diagnoses, country/region sampled, and the diagnostic methods that were used. Using this information, clinicians will be able to anchor the most appropriate rate of PTSD that they are likely to see in their clinical practice.

  • To see prevalence rates across multiple disorders, click here.
Demography Setting Base Rate Diagnostic Method
United States, nationally representative, age 18 and older Non-clinical: Population based[4] 6.8% National Comorbidity Survey - Replication
Netherlands, nationally representative, age 18-80 Non-clinical: Population based[5] 7.4% Composite International Diagnostic Interview (CIDI)
United States, nationally representative, age 18 and older Non-clinical: Population based[6] 6.4% Wave 2 National Epidemiologic Survey on Alcohol and Related Conditions
Northern Ireland, representative sample, age 18 and older Non-clinical: Population based[7] 8.8% Northern Ireland Study of Health and Stress
South Africa, nationally representative sample, age 18 and older Non-clinical: Population based[8] 2.3% South African Stress and Health Study, using the Composite International Diagnostic Interview (CIDI)
U.S. Army and Marine Soldiers Deployed to Iraq and Afghanistan U.S. Service Members[9] 11.5% - 19.5% ♦ PTSD Checklist
United States, nationally representative, ages 13-18 Non-clinical: Population based[10] 5.0% National Comorbidity Survey Replication—Adolescent Supplement (NCS-A)

♦ Note: These rates were using broad PTSD Checklist scoring criteria of being scored positive if subjects reported at least one intrusion symptom, three avoidance symptoms, and two hyperarousal symptom that were categorized as at the moderate level. The 11.5% is for soldiers returning from deployment in Iraq, 19.5% is for soldiers returning from Afghanistan. Another common practice is to use a strict cutoff of 50 on the PCL, above which someone screens positive for PTSD. With this cutoff, rates are 6.2% and 12.9% for Service Members returned from Afghanistan and Iraqi, respectively.

Prediction phase

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Psychometric properties of screening for PTSD

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The following section contains a list of screening and diagnostic instruments for PTSD. The section includes administration information, psychometric data, and PDFs or links to the screenings.

  • Screenings are used as part of the prediction phase of assessment; for more information on interpretation of this data, or how screenings fit in to the assessment process, click here.
  • For a list of more broadly reaching screening instruments, click here.
Screening measures for PTSD
Measure Format (Reporter) Age Range Administration/

Completion Time

Where to Access
PCL-5 (PTSD Checklist for DSM-5) Self-Report adult 5-10 minutes
PDS-5 (Post-traumatic Diagnosis Scale) Self-Report adult 10-20 minutes How to request
For Children and Adolescents Specifically
UCLA PTSD Reaction Index for DSM-5 Clinician Administered child, school age, adolescents 20-30 minutes PDF
CPSS (Children's PTSD Symptom Scale) Self-Report child 10-20 minutes
Young Child PTSD Checklist (YCPC) Parent Report child 13 items PDF

Note: Reliability and validity are included in the extended version. This table includes measures with Good or Excellent ratings.

Interpreting PTSD screening measure scores

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Prescription phase

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Gold standard diagnostic interviews

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  • For a list of broad reaching diagnostic interviews sortable by disorder with PDFs (if applicable), click here.
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Diagnostic instruments for PTSD
Measure Format (Reporter) Age Range Administration/

Completion Time

Where to Access
CAPS-5 (Clinician Administered PTSD Scale) Clinician Administered Interview adult 40-60 minutes Assessment request form
PTSD Symptom Scale Interview (PSS-I-5) Clinician Administered Interview adult and child version available 24 items PDF
For Children and Adolescents Specifically
CAPS-CA-5 (Clinician-Administered PTSD Scale for DSM-5 - Child/Adolescent Version) Clinician Administered Interview child 30 items Assessment request form
Children’s PTSD Inventory (CPTSD-I) Diagnostic Interview 6-18 years 50 items Not Free

Note: Reliability and validity are included in the extended version. This table includes measures with Good or Excellent ratings.

Severity interviews for PTSD

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Measure Format (Reporter) Age Range Administration/

Completion Time

Where to Access
Schedule for Affective Disorders and Schizophrenia for School Age Children (K-SADS) Diagnostic Interview 6-18 years 18 PTSD items PDF
Anxiety Disorders Interview Schedule, Child Version (ADIS-C) Diagnostic Interview 7-17 years 26 PTSD items Not free
Diagnostic Infant and Preschool Assessment (DIPA) Diagnostic Interview Age 6 and younger 46 PTSD items PDF

Note: Reliability and validity are included in the extended version. This table includes measures with Good or Excellent ratings.

Process phase

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The following section contains a brief overview of treatment options for PTSD and list of process and outcome measures for PTSD. The section includes benchmarks based on published norms for several outcome and severity measures, as well as information about commonly used process measures. Process and outcome measures are used as part of the process phase of assessment. For more information of differences between process and outcome measures, see the page on the process phase of assessment.

Process measures

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  • Information coming soon

Outcome and severity measures

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This table includes clinically significant benchmarks for PTSD specific outcome measures

  • Information on how to interpret this table can be found here.
  • Additionally, these vignettes might be helpful resources for understanding appropriate adaptation of outcome measures in practice.
  • For clinically significant change benchmarks for the CBCL, YSR, and TRF total, externalizing, internalizing, and attention benchmarks, see here.
Clinically significant change benchmarks with common instruments for PTSD
Benchmarks Based on Published Norms
Measure Cut-off scores Critical Change
(unstandardized scores)
A B C 95% 90% SEdifference
Primary Care PTSD Screen 1.0 3.1 2.0 1.0 .8 .5
PTSD Checklist Scores 28.8 40.8 34.9 4.6 3.8 2.3
Clinician Administered PTSD Scale 28.8 40.8 34.9 8.3 7.0 4.2

Treatment

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  • Please refer to the Wikipedia page on PTSD for more information on available treatment for PTSD or go to the Effective Child Therapy page for for a curated resource on effective treatments for PTSD.
More information on treatment

Behavioral interventions

Recommended (have significant benefit) [11]:

  1. Brief Cognitive Behavioral Therapy (CBT; 4-5 sessions)
    • This includes stress inoculation training, trauma-focused therapy including components of cognitive restructuring, Cognitive Processing Therapy (CPT), imaginal, virtual, and in-vivo exposure as in Prolonged Exposure psychotherapy (PE)2
    • Patient education is recommended as part of psychotherapy for patients and family members
  2. EMDR may help both acute and chronic PTSD, especially individuals who have trouble with prolonged exposure or have trouble verbalizing their trauma.[12]
    1. Long term gains require further study.
  3. Present-Centered Therapy (PCT) is a non trauma focused treatment for PTSD and a second-line treatment for PTSD[13].

Treatments with weaker evidence (have some benefit) [11]:

  1. Patient education,
  2. Imagery rehearsal therapy,
  3. Psychodynamic therapy,
  4. Hypnosis,
  5. Relaxation techniques,
  6. Trauma-Focused CBT,
  7. and Group therapy.

Treatment with unknown benefit [11]:

  1. Web-based CBT
    1. For example Jeane Bosch participated as a study therapist in research study that compared STAIR and present-centered therapy both delivered via telehealth. STAIR stands for Skills Training in Affective and Interpersonal Regulation. It is a skill-focused treatment that was originally developed for survivors of childhood abuse to teach emotion regulation skills as well as tools to help with challenges interpersonal functioning and social relationships and decrease PTSD symptoms[14].[15]
  2. Acceptance and commitment therapy,
  3. and Dialectical Behavioral Therapy.

Medication

  • SSRIs are more effective than placebo in treating PTSD.[12]
  • There is no evidence to support a medication to prevent the development of PTSD.[11]
    • Imipramine, propranolol, prazosin, other antidepressants, anticonvulsants, and atypical antipsychotics have unknown benefit.
    • Strongly recommend against the use of benzodiazepines2 and typical antipsychotics since they have no benefit and potential harm.

Wiki Resources & Item Content Overlap

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Visual depiction of symptom content overlap across 9 commonly used pediatric PTSD scales.
Portfolio Theme Wikipedia Article Wikiversity Article
PTSD Yes Yes
Trauma Screen No No
Acute Stress Yes No
 
Visual depiction (heat map) of symptom content overlap across 9 commonly used pediatric PTSD scales.
 
This table numerically illustrates the level of correlation in item content between different screening measures for pediatric PTSD.
Scale Wikipedia Article Wikiversity Article Source Papers
Kiddie Schedule for Affective Disorders and Schizophrenia (KSADS) Trauma & PTSD module Yes *Not specific to trauma module No Kaufman et al., 1997
UCLA Post-Traumatic Stress Disorder Reaction Index (UCLA PTSD-RI) Yes Yes Steinberg et al., 2004
Child and Adolescent Trauma Screen (CATS) No No Sachser et al., 2017
Child PTSD Symptom Scale (CPSS) Yes Yes Foa et al., 2001
PTSD Symptom Scale - Self Report Version (PSS-SR) Yes No Foa et al., 1997
Young Child PTSD Screen (YCPC) No No Scheeringa, 2013; Scheeringa, 2019
Diagnostic Infant and Preschool Assessment (DIPA) No No Scheeringa & Haslett, 2010
Los Angeles Symptom Checklist (LASC) No No King et al., 1995
Child Behavior Checklist (CBCL) Yes No Achenbach & Rescorla, 2001
Impact of Event Scale - Revised (IES - R) Yes No Weiss & Marmar, 1997

Pediatric PTSD Scales - Full Item Content Overlap Table

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External resources

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For professionals

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For caregivers

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For educators

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For public

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References

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Click here for references
  1. ↑ Paolucci, Elizabeth ODDONE; Genuis, Mark L.; Violato, Claudio (January 2001). "A Meta-Analysis of the Published Research on the Effects of Child Sexual Abuse". The Journal of Psychology 135 (1): 17–36. doi:10.1080/00223980109603677. 
  2. ↑ 2.0 2.1 2.2 2.3 La Greca, A; Silverman, WK; Vernberg, EM; Prinstein, MJ (August 1996). "Symptoms of posttraumatic stress in children after Hurricane Andrew: a prospective study.". Journal of consulting and clinical psychology 64 (4): 712-23. PMID 8803361. 
  3. ↑ Weems, CF; Pina, AA; Costa, NM; Watts, SE; Taylor, LK; Cannon, MF (February 2007). "Predisaster trait anxiety and negative affect predict posttraumatic stress in youths after hurricane Katrina.". Journal of consulting and clinical psychology 75 (1): 154-9. doi:10.1037/0022-006X.75.1.154. PMID 17295574. 
  4. ↑ Kessler, Ronald C.; Berglund, Patricia; Demler, Olga; Jin, Robert; Merikangas, Kathleen R.; Walters, Ellen E. (2005-06-01). "Lifetime Prevalence and Age-of-Onset Distributions of DSM-IV Disorders in the National Comorbidity Survey Replication". Archives of General Psychiatry 62 (6). doi:10.1001/archpsyc.62.6.593. ISSN 0003-990X. http://archpsyc.jamanetwork.com/article.aspx?doi=10.1001/archpsyc.62.6.593. 
  5. ↑ de Vries, Giel-Jan; Olff, Miranda (2009-08-01). "The lifetime prevalence of traumatic events and posttraumatic stress disorder in the Netherlands". Journal of Traumatic Stress 22 (4): 259–267. doi:10.1002/jts.20429. ISSN 1573-6598. http://onlinelibrary.wiley.com/doi/10.1002/jts.20429/abstract. 
  6. ↑ Pietrzak, Robert H.; Goldstein, Risë B.; Southwick, Steven M.; Grant, Bridget F.. "Prevalence and Axis I comorbidity of full and partial posttraumatic stress disorder in the United States: Results from Wave 2 of the National Epidemiologic Survey on Alcohol and Related Conditions". Journal of Anxiety Disorders 25 (3): 456–465. doi:10.1016/j.janxdis.2010.11.010. http://linkinghub.elsevier.com/retrieve/pii/S0887618510002288. 
  7. ↑ Bunting, Brendan P.; Ferry, Finola R.; Murphy, Samuel D.; O'Neill, Siobhan M.; Bolton, David (2013-02-01). "Trauma Associated With Civil Conflict and Posttraumatic Stress Disorder: Evidence From the Northern Ireland Study of Health and Stress". Journal of Traumatic Stress 26 (1): 134–141. doi:10.1002/jts.21766. ISSN 1573-6598. http://onlinelibrary.wiley.com/doi/10.1002/jts.21766/abstract. 
  8. ↑ Atwoli, Lukoye; Stein, Dan J.; Williams, David R.; Mclaughlin, Katie A.; Petukhova, Maria; Kessler, Ronald C.; Koenen, Karestan C. (2013-07-03). "Trauma and posttraumatic stress disorder in South Africa: analysis from the South African Stress and Health Study". BMC Psychiatry 13: 182. doi:10.1186/1471-244x-13-182. ISSN 1471-244X. https://doi.org/10.1186/1471-244X-13-182. 
  9. ↑ Hoge, Charles W.; Castro, Carl A.; Messer, Stephen C.; McGurk, Dennis; Cotting, Dave I.; Koffman, Robert L. (2004-07-01). "Combat Duty in Iraq and Afghanistan, Mental Health Problems, and Barriers to Care". New England Journal of Medicine 351 (1): 13–22. doi:10.1056/nejmoa040603. ISSN 0028-4793. PMID 15229303. http://dx.doi.org/10.1056/NEJMoa040603. 
  10. ↑ Merikangas, Kathleen Ries; He, Jian-ping; Burstein, Marcy; Swanson, Sonja A.; Avenevoli, Shelli; Cui, Lihong; Benjet, Corina; Georgiades, Katholiki et al.. "Lifetime Prevalence of Mental Disorders in U.S. Adolescents: Results from the National Comorbidity Survey Replication–Adolescent Supplement (NCS-A)". Journal of the American Academy of Child & Adolescent Psychiatry 49 (10): 980–989. doi:10.1016/j.jaac.2010.05.017. https://doi.org/10.1016/j.jaac.2010.05.017. 
  11. ↑ 11.0 11.1 11.2 11.3 Department of Veterans Affairs and Department of Defense. . (2010). VA/DoD clinical practice guidelines: management of post-traumatic stress. Washington, D.C.: Veterans Health Administration, Department of Defense.
  12. ↑ 12.0 12.1 Ursano, R. J., Bell, C., Eth, S., Friedman, M., Norwood, A., Pfefferbaum, B., . . . McIntyre, J. S. (2004). Practice guideline for the treatment of patients with acute stress disorder and posttraumatic stress disorder: American Psychiatric Publ
  13. ↑ "Present-Centered Therapy for PTSD - PTSD: National Center for PTSD". www.ptsd.va.gov. Retrieved 2022-08-13.
  14. ↑ "ISTSS - Trauma Blog". istss.org. Retrieved 2022-08-13.
  15. ↑ Introduction to Telehealth with Dr. Bosch, retrieved 2022-08-13
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