2023
Evaluating a novel 8-factor dimensional model of PTSD in U.S. military veterans: Results from the National Health and Resilience in Veterans Study
Stiltner B, Fischer I, Duek O, Polimanti R, Harpaz-Rotem I, Pietrzak R. Evaluating a novel 8-factor dimensional model of PTSD in U.S. military veterans: Results from the National Health and Resilience in Veterans Study. Journal Of Affective Disorders 2023, 346: 303-307. PMID: 37979626, DOI: 10.1016/j.jad.2023.11.041.Peer-Reviewed Original ResearchConceptsIndex traumaPTSD symptomsNational HealthPosttraumatic stress disorder (PTSD) symptomsVeterans StudyMilitary veteransTrauma-exposed populationsClinician-administered interviewU.S. military veteransConfirmatory factor analysisDSM-5 modelStrong significant associationTrauma exposureIntrusive symptomsDisorder symptomsCombat exposureHigh riskU.S. veteransDSM-5Significant associationSymptomsInterpersonal violenceFactor analysisPTSDScarce researchEvaluating the Evidence for Brain-Based Biotypes of Psychiatric Vulnerability in the Acute Aftermath of Trauma
Ben-Zion Z, Spiller T, Keynan J, Admon R, Levy I, Liberzon I, Shalev A, Hendler T, Harpaz-Rotem I. Evaluating the Evidence for Brain-Based Biotypes of Psychiatric Vulnerability in the Acute Aftermath of Trauma. American Journal Of Psychiatry 2023, 180: 146-154. PMID: 36628514, PMCID: PMC9898083, DOI: 10.1176/appi.ajp.20220271.Peer-Reviewed Original ResearchConceptsPosttraumatic psychopathologyPsychiatric vulnerabilityGeneral hospital emergency departmentHospital emergency departmentRecent trauma survivorsAdditional replication studiesEmergency departmentObjective neural markersDifferent longitudinal patternsProspective symptomsMonths posttraumaAcute aftermathPsychiatric disordersEffective personalized treatmentTrauma exposureFunctional MRIPersonalized treatmentConsistent subgroupTreatment implicationsNeural activityAssessment 1Neural markersLongitudinal studyNeurobiological indicesDiagnostic methods
2022
Longitudinal volumetric evaluation of hippocampus and amygdala subregions in recent trauma survivors
Ben-Zion Z, Korem N, Spiller TR, Duek O, Keynan JN, Admon R, Harpaz-Rotem I, Liberzon I, Shalev AY, Hendler T. Longitudinal volumetric evaluation of hippocampus and amygdala subregions in recent trauma survivors. Molecular Psychiatry 2022, 28: 657-667. PMID: 36280750, PMCID: PMC9918676, DOI: 10.1038/s41380-022-01842-x.Peer-Reviewed Original ResearchConceptsEmergency departmentAmygdala subregionsPTSD diagnosisGeneral hospital emergency departmentLeft amygdala volumeHospital emergency departmentRight hippocampus volumeCA1 hippocampal subregionRecent trauma survivorsTrauma survivorsCivilian trauma survivorsED admissionEligible participantsHippocampus volumeAmygdala volumeHippocampal subregionsVulnerability traitsDisorder pathogenesisClinical InterviewModerate evidenceHippocampus subregionsTrauma exposureStructural MRIRobust evidenceLower initial volumeMental Health Burden in Enlisted and Commissioned U.S. Military Veterans: Importance of Indirect Trauma Exposure in Commissioned Veterans
Merians AN, Na PJ, Tsai J, Harpaz-Rotem I, Pietrzak RH. Mental Health Burden in Enlisted and Commissioned U.S. Military Veterans: Importance of Indirect Trauma Exposure in Commissioned Veterans. Psychiatry 2022, 85: 418-432. PMID: 35532217, DOI: 10.1080/00332747.2022.2068301.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderMajor depressive disorderU.S. military veteransSuicidal ideationMilitary veteransTrauma exposureMost mental health outcomesMental health burdenPast-year suicidal ideationDrug use disordersU.S. veteran populationMental health historyHigh exposureMental health outcomesMultivariable analysisDepressive disorderNational HealthHealth burdenPost-stratification weightsUse disordersVeteran populationHealth historyHealth outcomesIndirect trauma exposureVeterans Study
2021
Mindfulness as a Mediator Between Trauma Exposure and Mental Health Outcomes: Results From the National Health and Resilience in Veterans Study
Kachadourian LK, Harpaz-Rotem I, Tsai J, Southwick S, Pietrzak RH. Mindfulness as a Mediator Between Trauma Exposure and Mental Health Outcomes: Results From the National Health and Resilience in Veterans Study. Psychological Trauma Theory Research Practice And Policy 2021, 13: 223-230. PMID: 33475404, PMCID: PMC8500672, DOI: 10.1037/tra0000995.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderAlcohol use disorderLifetime traumaTrauma-related negative affectPresent momentVeterans StudyU.S. veteransTrauma-related experiencesSuicidal ideationTraumatic life eventsLifetime trauma burdenMental health outcomesQuality of lifeMental health problemsTrauma remindersNegative affectMindful attentionTrauma exposurePTSD symptomsMental health issuesTraumatic eventsCumulative traumaStress disorderNoncombat veteransLife events
2020
Dissociative symptoms predict risk for the development of PTSD: Results from the National Health and Resilience in Veterans Study (NHRVS)
Herzog S, Fogle BM, Harpaz-Rotem I, Tsai J, DePierro J, Pietrzak RH. Dissociative symptoms predict risk for the development of PTSD: Results from the National Health and Resilience in Veterans Study (NHRVS). Journal Of Psychiatric Research 2020, 131: 215-219. PMID: 32998083, DOI: 10.1016/j.jpsychires.2020.09.018.Peer-Reviewed Original ResearchConceptsDevelopment of PTSDPosttraumatic stress disorderU.S. military veteransDissociative symptomsRisk factorsDerealization symptomsIncident posttraumatic stress disorderTrauma exposureImmutable risk factorsProspective cohort studyPopulation-based risk factorsMilitary veteransPrediction of PTSDPotential clinical utilityTrauma-related factorsTrauma-exposed veteransCohort studyNational HealthRelative riskClinical utilityU.S. veteransVeterans StudySymptomsTrauma characteristicsStress disorder
2016
Psychological resilience in U.S. military veterans: A 2-year, nationally representative prospective cohort study
Isaacs K, Mota NP, Tsai J, Harpaz-Rotem I, Cook JM, Kirwin PD, Krystal JH, Southwick SM, Pietrzak RH. Psychological resilience in U.S. military veterans: A 2-year, nationally representative prospective cohort study. Journal Of Psychiatric Research 2016, 84: 301-309. PMID: 27814502, DOI: 10.1016/j.jpsychires.2016.10.017.Peer-Reviewed Original ResearchConceptsU.S. military veteransTrauma-exposed veteransPsychological resilienceTrauma exposureMilitary veteransResilient groupTrauma-related psychological symptomsDistressed groupHigh trauma exposureCurrent psychological distressLifetime trauma exposurePhysical health difficultiesSense of purposeProspective cohort studyDispositional gratitudePosttraumatic stressTraumatic eventsEmotional stabilityPsychological distressCurrent distressLifetime traumaAnxiety disordersDistress symptomsHealth difficultiesPsychological symptoms