• Colin M Bosma, Nashwa Mansoor, and Chiara S Haller.
• Department of Psychology, University of Maine, Orono, ME; Department of Psychology, Harvard University, Cambridge, MA.
• Arch Phys Med Rehabil. 2018 Aug 1; 99 (8): 1576-1583.

ObjectiveTo investigate the relation between posttraumatic stress (PTS) symptom severity and health-related quality of life (HRQoL) after severe traumatic brain injury (TBI).DesignLongitudinal prospective multicenter, cohort study on severe TBI in Switzerland (2007-2011).SettingHospital, rehabilitation unit, and/or patient's living facility.ParticipantsPatients with severe TBI (N=109) were included in the analyses. Injury severity was determined using the Abbreviated Injury Score of the head region after clinical assessment and initial computed tomography scan.InterventionsNot applicable.Main Outcome MeasuresHRQoL (Medical Outcomes Study 12-Item Short-Form Health Survey Physical and Mental Component Summaries) and self-reported emotional, cognitive, and interpersonal functioning (Patient Competency Rating Scale for Neurorehabilitation).ResultsMultilevel models for patients >50 and ≤50 years of age revealed significant negative associations between PTS symptom severity and interpersonal functioning (P<.001 and P=.002), respectively. Among patients ≤50 years of age, PTS symptom severity was significantly associated with total functioning (P=.001) and emotional functioning (P<.001). Among all patients, PTS symptom severity was significantly associated with cognitive functioning (P<.001) and mental HRQoL (P=.01).ConclusionsFindings indicate that PTS symptoms after severe TBI are negatively associated with HRQoL and emotional, cognitive, and interpersonal functioning.Copyright © 2018 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.

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