ArticlePrehospital and disaster medicine2024
Learning from Hindsight: Examining Autonomic, Inflammatory, and Endocrine Stress Biomarkers and Mental Health in Healthy Terrorism Survivors Many Years Later.
Article in Prehospital and disaster medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionTerrorism and trauma survivors often experience changes in biomarkers of autonomic, inflammatory and hypothalamic-pituitary-adrenal (HPA) axis assessed at various times. Research suggests interactions of these systems in chronic stress. STUDY
objectiveThis unprecedented retrospective study explores long-term stress biomarkers in three systems in terrorism survivors.
methodsSixty healthy, direct terrorism survivors were compared to non-exposed community members for cardiovascular reactivity to a trauma script, morning salivary cortisol, interleukin 1-β (IL-1β), and interleukin 2-R (IL-2R). Survivors' biomarkers were correlated with psychiatric symptoms and diagnoses and reported functioning and well-being seven years after the Oklahoma City (OKC) bombing.Main outcome measures were the Diagnostic Interview Schedule (DIS) Disaster Supplement for Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision (DSM-IV-TR) diagnoses, Impact of Events Scale-Revised (IES-R), Beck Depression Inventory-II (BDI-II), Distress and Functioning Scale (DAF), and General Physical Well-Being Scale.
resultsSurvivors had higher inflammatory IL-1β, lower anti-inflammatory IL-2R, lower cortisol, higher resting diastolic blood pressure (BP), and less cardiovascular reactivity to a trauma script than comparisons. Survivors' mean posttraumatic stress (PTS) symptom levels did not differ from comparisons, but survivors reported worse well-being. None of survivors' biomarkers correlated with PTS or depressive symptoms or diagnoses or reported functioning.
conclusionsAlterations of biological stress measures in cardiovascular, inflammatory, and cortisol systems coexisted as an apparent generalized long-term response to terrorism rather than related to specific gauges of mental health. Potential interactions of biomarkers long after trauma exposure is discussed considering relevant research. Longer-term follow-up could determine whether biomarkers continue to differ or correlate with subjective measures, or if they accompany health problems over time. Given recent international terrorism, understanding long-term sequelae among direct survivors is increasingly relevant.
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