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 researchPosttraumatic Growth in U.S. Military Veterans: Results from the National Health and Resilience in Veterans Study
Kang H, Fischer I, Dickinson S, Na P, Tsai J, Tedeschi R, Pietrzak R. Posttraumatic Growth in U.S. Military Veterans: Results from the National Health and Resilience in Veterans Study. Psychiatric Quarterly 2023, 95: 17-32. PMID: 37938492, DOI: 10.1007/s11126-023-10061-8.Peer-Reviewed Original ResearchPosttraumatic growthU.S. military veteransPTSD symptomsTraumatic eventsPosttraumatic stress disorder (PTSD) symptomsPositive psychological changesVeterans StudyMilitary veteransGreater posttraumatic growthTrauma-exposed veteransIntrinsic religiosityPTSD symptom severitySevere PTSD symptomsHigh-risk sampleIntrusive symptomsDisorder symptomsPsychological changesPTG levelsTraumatic experiencesPTSD ChecklistVeteran samplePsychosocial characteristicsSymptom clustersDSM-5Symptom severity
2021
60558 Non-Suicidal Self Injury in Military Veterans with PTSD: An Ecological Momentary Assessment Study
Kachadourian L, Sullivan T, Pietrzak R. 60558 Non-Suicidal Self Injury in Military Veterans with PTSD: An Ecological Momentary Assessment Study. Journal Of Clinical And Translational Science 2021, 5: 139-140. PMCID: PMC8828001, DOI: 10.1017/cts.2021.757.Peer-Reviewed Original ResearchPost-traumatic stress disorderEcological momentary assessmentPTSD symptomsMilitary veteransStress disorderNon-Suicidal Self-InjuryPost-traumatic stress disorder symptomsNumber of symptomsCurrent pilot studySurvey completion rateMomentary assessmentNSSI urgesEligible participantsSpecific symptomsEcological momentary assessment studySymptomsMilitary populationMomentary assessment studySelf-InjuryPilot studyTreatment effortsStudy periodLarge-scale studiesSurvey completionDisorder symptomsResearch on Posttraumatic Stress Disorder in the Context of the COVID-19 Pandemic: A Review of Methods and Implications in General Population Samples
Husky M, Pietrzak R, Marx B, Mazure C. Research on Posttraumatic Stress Disorder in the Context of the COVID-19 Pandemic: A Review of Methods and Implications in General Population Samples. Chronic Stress 2021, 5: 24705470211051327. PMID: 34765850, PMCID: PMC8576091, DOI: 10.1177/24705470211051327.Peer-Reviewed Original ResearchPosttraumatic stress disorderStress disorderGeneral population sampleMental disordersCOVID-19 pandemicPre-existing mental disordersSevere posttraumatic symptomsPopulation samplePublic health planningDirect trauma exposurePosttraumatic stress disorder (PTSD) symptomsCross-sectional designGeneral populationSnowball sampling strategiesHealth planningTrauma exposureMental healthStatistical ManualDisordersDisorder symptomsInadequate assessmentCriterion ASymptomsPosttraumatic symptomsSelf-report measures
2011
Support for a novel five-factor model of posttraumatic stress symptoms in three independent samples of Iraq/Afghanistan veterans: A confirmatory factor analytic study
Pietrzak RH, Tsai J, Harpaz-Rotem I, Whealin JM, Southwick SM. Support for a novel five-factor model of posttraumatic stress symptoms in three independent samples of Iraq/Afghanistan veterans: A confirmatory factor analytic study. Journal Of Psychiatric Research 2011, 46: 317-322. PMID: 22154134, DOI: 10.1016/j.jpsychires.2011.11.013.Peer-Reviewed Original ResearchConceptsIraq/Afghanistan veteransHyperarousal symptom clustersConfirmatory factor analytic studyFactor analytic studiesAfghanistan veteransDysphoric arousalPTSD symptomsArousal clustersCommunity samplePosttraumatic stress disorder (PTSD) symptomsEmotional numbing modelSymptom clustersTreatment-seeking samplePosttraumatic stress symptomsDSM-IV modelIndependent samplesFive-factor modelConfirmatory factor analysisAnxious arousalEmotional numbingNumbing modelPTSD symptomatologyDisorder symptomsStress symptomsPTSD Checklist
2010
Posttraumatic growth in Veterans of Operations Enduring Freedom and Iraqi Freedom
Pietrzak RH, Goldstein MB, Malley JC, Rivers AJ, Johnson DC, Morgan CA, Southwick SM. Posttraumatic growth in Veterans of Operations Enduring Freedom and Iraqi Freedom. Journal Of Affective Disorders 2010, 126: 230-235. PMID: 20399504, DOI: 10.1016/j.jad.2010.03.021.Peer-Reviewed Original ResearchConceptsOperation Enduring FreedomMild traumatic brain injuryGreater posttraumatic stress disorder (PTSD) symptomsTraumatic brain injuryEnduring FreedomIraqi FreedomCorrelates of psychopathologyPosttraumatic stress disorder (PTSD) symptomsOEF-OIF veteransAnonymous mail surveyBrain injuryPosttraumatic growthSurvey return rateYounger ageOIF veteransPsychosocial functioningPerception of effortCombat exposureDisorder symptomsVeteransRegression analysisMember supportDeleterious effectsSocial support