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Trauma-Related Compulsions in Obsessive-Compulsive Disorder: Functional Insights From Factor Analysis.

Caitlin M Pinciotti1, Max Thorsson1,2, Gregor Horvath3

  • 1Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, Texas, USA.

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Summary
This summary is machine-generated.

Trauma exposure in obsessive-compulsive disorder (OCD) can alter compulsion functions, impacting treatment outcomes. Certain compulsions, like those related to cleanliness and certainty, are particularly linked to trauma and treatment resistance.

Keywords:
exposure and response preventionfactor analysisobsessive‐compulsive disordertraumatreatment response

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Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Trauma Studies

Background:

  • Obsessive-compulsive disorder (OCD) compulsions are key predictors of treatment effectiveness.
  • Trauma-exposed individuals with OCD often exhibit more severe compulsions and are considered treatment-resistant.
  • Compulsions in trauma-exposed individuals may function to prevent future trauma or cope with trauma-related distress.

Purpose of the Study:

  • To empirically investigate how trauma exposure influences the underlying functions of OCD compulsions.
  • To identify specific compulsion clusters associated with trauma exposure and their impact on treatment response.
  • To explore the relationship between different types of trauma and OCD compulsion functionality.

Main Methods:

  • Factor analyses and structural equation modeling were used.
  • A sample of 662 adult patients undergoing intensive OCD treatment was analyzed.
  • Patients' trauma exposure status and compulsion patterns were assessed.

Main Results:

  • A unique 'Absolution' factor, linked to guilt and punishment, was identified exclusively in trauma-exposed patients.
  • Cleanliness and Certainty Seeking compulsions were associated with longer treatment stays in individuals with a history of sexual abuse or bullying.
  • Other trauma types showed relationships with compulsion clusters but did not significantly impact treatment response.

Conclusions:

  • Findings support the hypothesis that some OCD compulsions serve trauma-related functions, aiding in trauma prevention or coping.
  • Trauma-related Cleanliness and Certainty Seeking compulsions are critical targets in OCD treatment due to their negative impact on treatment outcomes.
  • Understanding trauma's influence on compulsion function is crucial for tailoring effective OCD interventions.