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Litigation, Performance Validity Testing, and Treatment Outcomes in Adults With Mild Traumatic Brain Injury. | LitMetric

Litigation, Performance Validity Testing, and Treatment Outcomes in Adults With Mild Traumatic Brain Injury.

J Head Trauma Rehabil

Departments of Psychology (Drs Mikolic and Silverberg) and Psychiatry (Dr Panenka), The University of British Columbia, Vancouver, British Columbia, Canada; Rehabilitation Research Program, Centre for Aging SMART at Vancouver Coastal Health, Vancouver, British Columbia, Canada (Drs Mikolic and Silverberg); British Columbia Mental Health and Substance Use Services Research Institute, Vancouver, British Columbia, Canada (Dr Panenka); BC Neuropsychiatry Program, Vancouver, British Columbia, Canada (Dr Panenka); Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, Massachusetts (Dr Iverson); Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital, Charlestown, Massachusetts (Dr Iverson); Department of Physical Medicine and Rehabilitation, Schoen Adams Research Institute at Spaulding Rehabilitation, Charlestown, Massachusetts (Dr Iverson); Home Base, A Red Sox Foundation and Massachusetts General Hospital Program, Charlestown (Dr Iverson); Departments of Psychiatry and Behavioral Sciences (Dr Cotton) and Neurology (Dr Cotton), Northwestern University, Chicago, Illinois; Neuropsychiatry Program, Department of Psychiatry and Division of Neurology and Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada (Dr Burke); and Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, Ontario, Canada (Dr Burke).

Published: May 2024

AI Article Synopsis

Article Abstract

Objective: To investigate whether involvement in litigation and performance validity test (PVT) failure predict adherence to treatment and treatment outcomes in adults with persistent symptoms after mild traumatic brain injury (mTBI).

Setting: Outpatient concussion clinics in British Columbia, Canada. Participants were assessed at intake (average 12.9 weeks postinjury) and again following 3 to 4 months of rehabilitation.

Participants: Adults who met the World Health Organization Neurotrauma Task Force definition of mTBI. Litigation status was known for 69 participants ( n = 21 reported litigation), and 62 participants completed a PVT ( n = 13 failed the Test of Memory Malingering) at clinic intake.

Design: Secondary analysis of a clinical trial (ClinicalTrials.gov #NCT03972579).

Main Measures: Outcomes included number of completed sessions, homework adherence, symptoms (Rivermead Post Concussion Symptoms Questionnaire), disability ratings (World Health Organization Disability Assessment Schedule 2.0), and patient-rated global impression of change.

Results: We did not observe substantial differences in session and homework adherence associated with litigation or PVT failure. Disability and postconcussion symptoms generally improved with treatment. Involvement in litigation was associated with a smaller improvement in outcomes, particularly disability ( B = 2.57, 95% confidence interval [CI] [0.25-4.89], P = .03) and patient-reported global impression of change (odds ratio [OR] = 4.19, 95% CI [1.40-12.57], P = .01). PVT failure was not associated with considerable differences in treatment outcomes. However, participants who failed the PVT had a higher rate of missing outcomes (31% vs 8%) and perceived somewhat less global improvement (OR = 3.47, 95% CI [0.86-14.04]; P = .08).

Conclusion: Adults with mTBI who are in litigation or who failed PVTs tend to adhere to and improve following treatment. However, involvement in litigation may be associated with attenuated improvements, and pretreatment PVT failure may predict lower engagement in the treatment process.

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Source
http://dx.doi.org/10.1097/HTR.0000000000000903DOI Listing

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