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Prolonged exposure therapy

Summary

Prolonged exposure therapy (PE) is a form of behavior therapy and cognitive behavioral therapy designed to treat post-traumatic stress disorder. It is characterized by two main treatment procedures – imaginal and in vivo exposures. Imaginal exposure is repeated 'on-purpose' retelling of the trauma memory. In vivo exposure is gradually confronting situations, places, and things that are reminders of the trauma or feel dangerous (despite being objectively safe). Additional procedures include processing of the trauma memory and breathing retraining.

Overview edit

 

Prolonged exposure therapy was developed by Edna B Foa, Director of the Center for the Treatment and Study of Anxiety at the University of Pennsylvania. Prolonged exposure therapy (PE) is a theoretically based and highly effective[1] treatment for chronic post-traumatic stress disorder (PTSD) and related depression, anxiety, and anger. PE falls under the category of "exposure-based therapy"[2] and is supported by scientific studies which reflect its positive impact on patient symptoms.[3]

Exposure-based therapies focus on confronting the harmless cues/triggers of trauma/stress in order to unpair them from the feelings of anxiety and stress.[2] Prolonged exposure is a flexible therapy that can be modified to fit the needs of individual clients. It is specifically designed to help clients psychologically process traumatic events and reduce trauma-induced psychological disturbances. Prolonged exposure produces clinically significant improvement in 40–75% of patients with chronic PTSD,[4][5][6] with the only reliable predictor of treatment outcomes being pre-treatment chronic PTSD symptom severity.[6]

Prolonged exposure is rooted in the theory of emotional processing, in which new, accurate information challenges previously learned fear structures and modifies them in such a way that the new, accurate information is more readily retrieved.[7] With PTSD, it is thought that traumatic events cause inaccurate associations to develop, between stimuli and responses from the event. These inaccurate associations lead to avoidance of trauma-related stimuli, which acts as a barrier to emotional processing.[7]

Over years of testing and development, prolonged exposure has evolved into an adaptable program of intervention to address the needs of varied trauma survivors.[8] In addition to reducing symptoms of PTSD, prolonged exposure instills confidence and a sense of mastery, improves various aspects of daily functioning, increases the ability to cope with courage when facing stress, and improves the ability to discriminate safe and unsafe situations.[9]

In 2001, Prolonged Exposure for PTSD received an Exemplary Substance Abuse Prevention Program Award from the U.S. Department of Health and Human Services Substance Abuse and Mental Health Services Administration (SAMHSA). Prolonged exposure was selected by SAMHSA and the Center for Substance Abuse Prevention as a Model Program for national dissemination.[10]

Components edit

PTSD is characterized by the re-experiencing of the traumatic event through intrusive and upsetting memories, nightmares, flashbacks, and strong emotional and physiological reactions triggered by reminders of the trauma. Most individuals with PTSD try to ward off the intrusive symptoms and avoid the trauma-reminders, even when those reminders are not inherently dangerous. To address the traumatic memories and triggers that are reminders of the trauma, the core components of exposure programs for the disorder are:

  1. Imaginal exposure, revisiting the traumatic memory, repeated recounting it aloud, and processing the revisiting experience
  2. In vivo exposure, the repeated confrontation with situations and objects that cause distress but are not inherently dangerous

The goal of this treatment is to promote processing of the trauma memory and to reduce distress and avoidance evoked by the trauma reminders. Additionally, individuals with emotional numbing and depression are encouraged to engage in enjoyable activities, even if these activities do not cause fear or anxiety but have dropped out the person's life due to loss of interest.[11]

The imaginal exposure typically occurs during the therapy session and consists of retelling the trauma to the therapist. For the in vivo exposure, the clinician works with the client to establish a fear and avoidance hierarchy and typically assigns exposures to these list items as homework progressively. The therapist may also record the session and ask the patient to continue to complete in vivo exercises on their own time with the help of the recording.[2] Both components work by facilitating emotional processing so that the problematic traumatic memories and avoidances habituate (desensitize) and are better tolerated.[12] Randomized control trials reflect that only 10–38% of PTSD patients who take part in PE therapy terminate treatment before their program is complete (generally after at least eight sessions).[2]

Studies edit

Practitioners throughout the United States and many other countries currently use prolonged exposure to successfully treat survivors of varied traumas including rape, assault, child abuse, combat, motor vehicle accidents, and disasters. Prolonged exposure has been beneficial for those with co-occurring PTSD and substance abuse when combined with substance abuse treatment.[8] Studies have also reflected that prolonged exposure therapy aids patients who have both PTSD and borderline personality disorder when the treatment is coupled with dialectical behavior therapy.[3] Some were concerned that PE would negatively affect the treatment of patients with substance abuse disorder (SUD) as purposefully and intentionally exposing them to their reminders and triggers may worsen their state; however, randomized control trial studies exist which indicate that there are no negative effects of using PE for patients with SUD.[13] Conducted studies have reflected positively on the effectiveness of PE.[14] For example, in the Netherlands, patients responded better to PE than to eye movement desensitization and reprocessing (EMDR) treatment.[14] 6 month follow ups revealed that PE had also lessened psychotic and schizophrenic issues.[14] Furthermore, the symptoms of in a small group of female methadone users in Israel had decreased after PE treatment.[14] PE therapy was also found to be superior to supportive therapy in female veterans with PTSD in a randomized controlled trial.[15]

See also edit

References edit

  1. ^ Watkins LE, Sprang KR, Rothbaum BO (2018). "Treating PTSD: A Review of Evidence-Based Psychotherapy Interventions". Frontiers in Behavioral Neuroscience. 12: 258. doi:10.3389/fnbeh.2018.00258. PMC 6224348. PMID 30450043.
  2. ^ a b c d Lancaster CL, Teeters JB, Gros DF, Back SE (November 2016). "Posttraumatic Stress Disorder: Overview of Evidence-Based Assessment and Treatment". Journal of Clinical Medicine. 5 (11): 4. doi:10.3390/jcm5110105. PMC 5126802. PMID 27879650.
  3. ^ a b Granato HF, Wilks CR, Miga EM, Korslund KE, Linehan MM (August 2015). "The Use of Dialectical Behavior Therapy and Prolonged Exposure to Treat Comorbid Dissociation and Self-Harm: The Case of a Client With Borderline Personality Disorder and Posttraumatic Stress Disorder". Journal of Clinical Psychology. 71 (8): 805–815. doi:10.1002/jclp.22207. PMID 26227284.
  4. ^ Hendriks L, de Kleine RA, Broekman TG, Hendriks GJ, van Minnen A (January 2018). "Intensive prolonged exposure therapy for chronic PTSD patients following multiple trauma and multiple treatment attempts". European Journal of Psychotraumatology. 9 (1): 1425574. doi:10.1080/20008198.2018.1425574. PMC 5795659. PMID 29410776.
  5. ^ Rauch SA, Grunfeld TE, Yadin E, Cahill SP, Hembree E, Foa EB (August 2009). "Changes in reported physical health symptoms and social function with prolonged exposure therapy for chronic posttraumatic stress disorder". Depression and Anxiety. 26 (8): 732–738. doi:10.1002/da.20518. hdl:2027.42/63596. PMID 18781660. S2CID 1026023.
  6. ^ a b van Minnen A, Arntz A, Keijsers GP (April 2002). "Prolonged exposure in patients with chronic PTSD: predictors of treatment outcome and dropout". Behaviour Research and Therapy. 40 (4): 439–457. doi:10.1016/S0005-7967(01)00024-9. hdl:2066/62391. PMID 12002900.
  7. ^ a b Foa EB (December 2011). "Prolonged exposure therapy: past, present, and future". Depression and Anxiety. 28 (12): 1043–1047. doi:10.1002/da.20907. PMID 22134957. S2CID 28115857.
  8. ^ a b Joseph JS, Gray MJ (2008). "Exposure therapy for posttraumatic stress disorder". The Journal of Behavior Analysis of Offender and Victim Treatment and Prevention. 1 (4): 69–80. doi:10.1037/h0100457.
  9. ^ Eftekhari A, Stines LR, Zoellner LA (January 2006). "Do You Need To Talk About It? Prolonged Exposure for the Treatment of Chronic PTSD". The Behavior Analyst Today. 7 (1): 70–83. doi:10.1037/h0100141. PMC 2770710. PMID 19881894.
  10. ^ "Treatment of PTSD at the CTSA". Center for the Treatment and Study of Anxiety. Substance Abuse and Mental Health Services Administration Center for Substance Abuse Prevention (SAMHSA), U.S. Department of Health and Human Services.
  11. ^ Williams M, Cahill S, Foa E (2010). "Psychotherapy for Post-Traumatic Stress Disorder.". In Stein D, Hollander E, Rothbaum B (eds.). Textbook of Anxiety Disorders (Second ed.). American Psychiatric Publishing. ISBN 978-1-58562-254-2.
  12. ^ Kazi A, Freund B, Ironson G (April 2008). "Prolonged exposure treatment for posttraumatic stress disorder following the 9/11 attack with a person who escaped from the twin towers". Clinical Case Studies. 7 (2): 100–117. doi:10.1177/1534650107306290. S2CID 144900468.
  13. ^ Kemmis LK, Wanigaratne S, Ehntholt KA (2017). "Emotional Processing in Individuals with Substance Use Disorder and Posttraumatic Stress Disorder". International Journal of Mental Health and Addiction. 15 (4): 900–918. doi:10.1007/s11469-016-9727-6. PMC 5529498. PMID 28798555.
  14. ^ a b c d Dixon LE, Ahles E, Marques L (December 2016). "Treating Posttraumatic Stress Disorder in Diverse Settings: Recent Advances and Challenges for the Future". Current Psychiatry Reports. 18 (12): 108. doi:10.1007/s11920-016-0748-4. PMC 5533577. PMID 27771824.
  15. ^ Foa EB, McLean CP, Capaldi S, Rosenfield D (December 2013). "Prolonged exposure vs supportive counseling for sexual abuse-related PTSD in adolescent girls: a randomized clinical trial". JAMA. 310 (24): 2650–2657. doi:10.1001/jama.2013.282829. PMID 24368465.

Further reading edit

  • Berg AO, Breslau N, Goodman SN, Lezak M, Matchar D, Mellman TA, et al. (October 2007). Treatment of PTSD: An assessment of the evidence. Washington, DC: National Academies Press. ISBN 978-0-309-10926-0. Archived from the original on 2009-07-18. The committee reviewed 53 studies of pharmaceuticals and 37 studies of psychotherapies used in PTSD treatment and concluded that because of shortcomings in many of the studies, there is not enough reliable evidence to draw conclusions about the effectiveness of most treatments. There are sufficient data to conclude that exposure therapies—such as exposing individuals to a real or surrogate threat in a safe environment to help them overcome their fears—are effective in treating people with PTSD. But the committee emphasized that its findings should not be misread to suggest that any PTSD treatment ought to be discontinued or that only exposure therapies should be used to treat PTSD.
  • Foa EB, Hembree EA, Rothbaum BO (March 2007). Prolonged Exposure Therapy for PTSD: Emotional Processing of Traumatic Experiences, Therapist Guide. Treatments That Work. Oxford University Press. ISBN 978-0-19-988580-0.
  • Hembree EA, Rauch SA, Foa EB (December 2003). "Beyond the manual: The insider's guide to prolonged exposure therapy for PTSD". Cognitive and Behavioral Practice. 10 (1): 22–30. doi:10.1016/S1077-7229(03)80005-6.
  • Rothbaum BO, Foa EB, Hembree EA (March 2007). Reclaiming Your Life From a Traumatic Experience, Workbook. Oxford University Press. ISBN 978-0-19-092689-2.
  • Schnurr PP, Friedman MJ, Engel CC, Foa EB, Shea MT, Chow BK, Resick PA, Thurston V, Orsillo SM, Haug R, Turner C, Bernardy N (February 2007). "Cognitive behavioral therapy for posttraumatic stress disorder in women: a randomized controlled trial". JAMA. 297 (8): 820–30. doi:10.1001/jama.297.8.820. PMID 17327524. S2CID 1502872. Prolonged exposure is an effective treatment for PTSD in female veterans and active-duty military personnel. It is feasible to implement prolonged exposure across a range of clinical settings.
  • "Prolonged Exposure Therapy for Posttraumatic Stress" (PDF). SAMHSA Model Programs. U.S. Department of Health and Human Services. Archived from the original (PDF) on 2007-06-22.

External links edit

  • Center for the Treatment and Study of Anxiety, University of Pennsylvania Edna B. Foa, PhD, Director.
  • Intensive Training Program in Dr. Foa's Prolonged Exposure Therapy
  • Information about PTSD and Prolonged Exposure Therapy

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