2024
Posttraumatic Stress Disorder, Obesity, and Accelerated Epigenetic Aging Among US Military Veterans
Fischer I, Na P, Nagamatsu S, Jeste D, Cabrera-Mendoza B, Montalvo-Ortiz J, Krystal J, Polimanti R, Gelernter J, Pietrzak R. Posttraumatic Stress Disorder, Obesity, and Accelerated Epigenetic Aging Among US Military Veterans. JAMA Psychiatry 2024, 81 PMID: 39476130, DOI: 10.1001/jamapsychiatry.2024.3403.Peer-Reviewed Original Research
2023
Longitudinal Trends in Suicidal Thoughts and Behaviors Among US Military Veterans During the COVID-19 Pandemic
Fischer I, Nichter B, Na P, Norman S, Krystal J, Pietrzak R. Longitudinal Trends in Suicidal Thoughts and Behaviors Among US Military Veterans During the COVID-19 Pandemic. JAMA Psychiatry 2023, 80: 577-584. PMID: 37017978, PMCID: PMC10077136, DOI: 10.1001/jamapsychiatry.2023.0393.Peer-Reviewed Original ResearchConceptsNew-onset suicidal ideationUS military veteransLifetime substance use disorderPast-year suicidal ideationSubstance use disordersSuicidal ideationSuicide planningMilitary veteransUse disordersPsychiatric distressCOVID-19 pandemicSuicidal thoughtsPopulation-based longitudinal studyEvidence-based preventionLongitudinal studyLongitudinal trendsCohort studyNational HealthUS veteransMAIN OUTCOMEVeterans StudySuicide attemptsSuicide riskVulnerable populationsVeteransCharacterization of Mental Health in US Veterans Before, During, and 2 Years After the Onset of the COVID-19 Pandemic
Fischer I, Na P, Harpaz-Rotem I, Krystal J, Pietrzak R. Characterization of Mental Health in US Veterans Before, During, and 2 Years After the Onset of the COVID-19 Pandemic. JAMA Network Open 2023, 6: e230463. PMID: 36821116, PMCID: PMC9951035, DOI: 10.1001/jamanetworkopen.2023.0463.Peer-Reviewed Original ResearchPsychometric Properties of the Self-Injurious Thoughts and Behaviors Interview–Short Form Among U.S. Active Duty Military Service Members and Veterans
Stanley I, Marx B, Fina B, Young-McCaughan S, Tyler H, Sloan D, Blankenship A, Dondanville K, Walker J, Boffa J, Bryan C, Brown L, Straud C, Mintz J, Abdallah C, Back S, Blount T, DeBeer B, Flanagan J, Foa E, Fox P, Fredman S, Krystal J, McDevitt-Murphy M, McGeary D, Pruiksma K, Resick P, Roache J, Shiroma P, Taylor D, Wachen J, Kaplan A, López-Roca A, Nicholson K, Schobitz R, Schrader C, Sharrieff A, Yarvis J, Litz B, Keane T, Peterson A. Psychometric Properties of the Self-Injurious Thoughts and Behaviors Interview–Short Form Among U.S. Active Duty Military Service Members and Veterans. Assessment 2023, 30: 2332-2346. PMID: 36644835, DOI: 10.1177/10731911221143979.Peer-Reviewed Original ResearchConceptsBehaviors Interview-Short FormPosttraumatic stress disorderSelf-injurious thoughtsMilitary service membersService membersDiscriminant validitySelf-report measuresInterview-based measuresSuicidal ideationSelf-report questionnairesActive duty military service membersSuicide-related thoughtsActive duty service membersPTSD symptomsStress disorderRelated constructsGood convergentConvergent validityResponse formatPsychometric propertiesSuicide risk assessmentInterrater reliabilityHigh interrater reliabilityIdeationVeterans
2022
Genetic liability to suicidal thoughts and behaviors and risk of suicide attempt in US military veterans: moderating effects of cumulative trauma burden
Nichter B, Koller D, De Angelis F, Wang J, Girgenti M, Na P, Hill M, Norman S, Krystal J, Gelernter J, Polimanti R, Pietrzak R. Genetic liability to suicidal thoughts and behaviors and risk of suicide attempt in US military veterans: moderating effects of cumulative trauma burden. Psychological Medicine 2022, 53: 6325-6333. PMID: 36444557, DOI: 10.1017/s0033291722003646.Peer-Reviewed Original ResearchConceptsPolygenic risk scoresUS military veteransLifetime suicide attemptsSuicide attemptsTrauma exposureTrauma burdenGenetic liabilityMilitary veteransDrug repurposing analysisPopulation-based sampleCumulative trauma exposureLifetime trauma exposureLow trauma exposureSuicide prediction modelsChronic inflammationInflammatory processNervous system developmentRisk scorePsychiatric characteristicsSuicidal behaviorExposure interactionsLarge genome-wide association studiesHigh levelsVeteransSuicidalityP79. Are Positive Psychosocial Traits Linked to Epigenetic Aging? Results From a National Sample of U.S. Military Veterans
Nagamatsu S, Pietrzak R, Na P, Krystal J, Gelernter J, Montalvo-Ortiz J. P79. Are Positive Psychosocial Traits Linked to Epigenetic Aging? Results From a National Sample of U.S. Military Veterans. Biological Psychiatry 2022, 91: s119. DOI: 10.1016/j.biopsych.2022.02.313.Peer-Reviewed Original ResearchPosttraumatic Stress Disorder in US Military Veterans: Results From the 2019-2020 National Health and Resilience in Veterans Study.
Wisco BE, Nomamiukor FO, Marx BP, Krystal JH, Southwick SM, Pietrzak RH. Posttraumatic Stress Disorder in US Military Veterans: Results From the 2019-2020 National Health and Resilience in Veterans Study. The Journal Of Clinical Psychiatry 2022, 83 PMID: 35192748, DOI: 10.4088/jcp.20m14029.Peer-Reviewed Original ResearchConceptsUS military veteransPosttraumatic stress disorderLifetime posttraumatic stress disorderFunctional impairmentMilitary veteran populationNational HealthMilitary veteransVeteran populationVeterans StudyTrauma exposureStress disorderGreater functional impairmentPTSD Criterion ALife Events Checklist-5Odds of lifetimeWeighted prevalencePTSD prevalenceIndirect trauma exposurePTSD ChecklistPrevalenceImpairmentPsychiatric variablesVeteransContemporary dataCriterion A
2021
Attachment Style Moderates Polygenic Risk for Incident Posttraumatic Stress in U.S. Military Veterans: A 7-Year, Nationally Representative, Prospective Cohort Study
Tamman AJF, Wendt FR, Pathak GA, Krystal JH, Southwick SM, Sippel LM, Gelernter J, Polimanti R, Pietrzak RH. Attachment Style Moderates Polygenic Risk for Incident Posttraumatic Stress in U.S. Military Veterans: A 7-Year, Nationally Representative, Prospective Cohort Study. Biological Psychiatry 2021, 91: 637-646. PMID: 34955171, DOI: 10.1016/j.biopsych.2021.09.025.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderAttachment styleU.S. military veteransIncident posttraumatic stress disorderSocial environmental factorsDevelopment of PTSDMilitary veteransInsecure attachment stylesSecure attachment stylePolygenic riskEffect of PRSLifetime trauma burdenPTSD preventionPosttraumatic stressPTSD developmentPTSD symptomsStress disorderPolygenic risk scoresHigh polygenic riskProspective designNationally RepresentativePotential pharmacotherapyMultivariate geneStyleVeteransSubthreshold post-traumatic stress disorder as a risk factor for post-traumatic stress disorder: results from a sample of USA veterans
Pietrzak RH, Javier FG, Krystal JH, Southwick SM. Subthreshold post-traumatic stress disorder as a risk factor for post-traumatic stress disorder: results from a sample of USA veterans. The British Journal Of Psychiatry 2021, 219: 456-459. PMID: 35048836, DOI: 10.1192/bjp.2021.17.Peer-Reviewed Original ResearchConceptsSubthreshold post-traumatic stress disorderPost-traumatic stress disorderStress disorderRisk factorsProspective national cohortPotential risk factorsLow dispositional optimismSpecific PTSD symptomsTrauma-exposed veteransNational cohortAssociated FactorsPreventive interventionsPTSD symptomsVeteransDisordersGreater ageCognitive difficultiesWave 1Dispositional optimismCohortSymptomsFactorsTrauma
2019
Neural computations of threat in the aftermath of combat trauma
Homan P, Levy I, Feltham E, Gordon C, Hu J, Li J, Pietrzak RH, Southwick S, Krystal JH, Harpaz-Rotem I, Schiller D. Neural computations of threat in the aftermath of combat trauma. Nature Neuroscience 2019, 22: 470-476. PMID: 30664770, PMCID: PMC6829910, DOI: 10.1038/s41593-018-0315-x.Peer-Reviewed Original ResearchConceptsPTSD symptomsPost-traumatic stress disorder symptomsHigher PTSD symptom severityThreat-predictive cuesPTSD symptom severityAssociative threatPredictive cuesNeural trackingDisorder symptomsPrediction errorCombat veteransDynamic learning rateNegative outcomesCombat traumaSmaller amygdala volumesNeural computationLatent markersSymptomatic veteransSymptom severityAmygdala volumeAssociabilityCuesLearning rateVeteransSymptomsAccelerated DNA Methylation Aging in U.S. Military Veterans: Results From the National Health and Resilience in Veterans Study
Tamman AJF, Montalvo-Ortiz JL, Southwick SM, Krystal JH, Levy BR, Pietrzak RH. Accelerated DNA Methylation Aging in U.S. Military Veterans: Results From the National Health and Resilience in Veterans Study. American Journal Of Geriatric Psychiatry 2019, 27: 528-532. PMID: 30792041, DOI: 10.1016/j.jagp.2019.01.001.Peer-Reviewed Original ResearchConceptsNational HealthPsychosocial factorsVeterans StudyMale U.S. veteransLifetime trauma burdenAccelerated DNA methylation agingDNA methylation agingU.S. military veteransMethylation agingTrauma burdenU.S. veteransPrevention effortsAdditional correlatesNegative beliefsMilitary veteransSexual traumaVeteransTraumatic stressDNA methylationHealthChild sexual traumaBody massRepresentative sample
2018
PTSD and the War of Words
Chekroud AM, Loho H, Paulus M, Krystal JH. PTSD and the War of Words. Chronic Stress 2018, 2: 2470547018767387. PMID: 32440582, PMCID: PMC7219886, DOI: 10.1177/2470547018767387.Peer-Reviewed Original Research
2017
Moral injury in U.S. combat veterans: Results from the national health and resilience in veterans study
Wisco BE, Marx BP, May CL, Martini B, Krystal JH, Southwick SM, Pietrzak RH. Moral injury in U.S. combat veterans: Results from the national health and resilience in veterans study. Depression And Anxiety 2017, 34: 340-347. PMID: 28370818, DOI: 10.1002/da.22614.Peer-Reviewed Original ResearchMental disordersNational HealthCombat veteransU.S. combat veteransCurrent mental disorderPast psychiatric disordersPopulation-based sampleCombat severityMental health problemsMoral Injury Events ScaleFunctional outcomeMoral injuryWhite racePsychiatric disordersHealth problemsU.S. veteransSuicidal ideationVeterans StudySuicide attemptsInjurious eventsCombat exposureSociodemographic variablesDisordersExposure historyVeterans
2016
Hostility and telomere shortening among U.S. military veterans: Results from the National Health and Resilience in Veterans Study
Watkins LE, Harpaz-Rotem I, Sippel LM, Krystal JH, Southwick SM, Pietrzak RH. Hostility and telomere shortening among U.S. military veterans: Results from the National Health and Resilience in Veterans Study. Psychoneuroendocrinology 2016, 74: 251-257. PMID: 27689898, DOI: 10.1016/j.psyneuen.2016.09.006.Peer-Reviewed Original ResearchConceptsU.S. military veteransClinical variablesNational HealthTelomere lengthMilitary veteransMultivariable binary logistic regression analysisVeterans StudyAccelerated cellular agingBinary logistic regression analysisLogistic regression analysisU.S. veteran populationNon-veteran populationsAge-related disordersPolymerase chain reaction methodChronic disordersRisk factorsChain reaction methodQuantitative polymerase chain reaction methodVeteran populationU.S. veteransSecondary analysisTreatment effortsVeteransRegression analysisBiological ageThe burden of hostility in U.S. Veterans: Results from the National Health and Resilience in Veterans Study
Sippel LM, Mota NP, Kachadourian LK, Krystal JH, Southwick SM, Harpaz-Rotem I, Pietrzak RH. The burden of hostility in U.S. Veterans: Results from the National Health and Resilience in Veterans Study. Psychiatry Research 2016, 243: 421-430. PMID: 27450745, DOI: 10.1016/j.psychres.2016.06.040.Peer-Reviewed Original ResearchConceptsS. veteransLongitudinal courseNational HealthProtective correlatesVeterans StudyProspective cohort studyPopulation-based evaluationPopulation-based dataAggressive urgesMajority of veteransPhysical health consequencesProtective psychosocial characteristicsCohort studySymptomatic courseAlcohol misuseU.S. veteransPsychosocial characteristicsHealth consequencesTreatment effortsPsychological distressVeteransTwo-year periodPrevalenceRiskSocial connectednessReal-Time fMRI Neurofeedback with War Veterans with Chronic PTSD: A Feasibility Study
Gerin MI, Fichtenholtz H, Roy A, Walsh CJ, Krystal JH, Southwick S, Hampson M. Real-Time fMRI Neurofeedback with War Veterans with Chronic PTSD: A Feasibility Study. Frontiers In Psychiatry 2016, 7: 111. PMID: 27445868, PMCID: PMC4914513, DOI: 10.3389/fpsyt.2016.00111.Peer-Reviewed Original ResearchPost-traumatic stress disorderChronic post-traumatic stress disorderResting-state functional connectivity patternsReal-time functional magnetic resonanceStudy of efficacyReal-time fMRI neurofeedbackWar veteransFunctional connectivity patternsFunctional magnetic resonanceClinical improvementAvailable treatmentsTrauma scriptsSymptom reductionMeaningful improvementsNovel interventionsNF trainingStress disorderBrain connectivityNeurofeedback interventionAmygdala activityFMRI neurofeedbackCombat veteransInterventionVeteransFeasibility study
2014
Dimensional structure of DSM-5 posttraumatic stress disorder symptoms: results from the National Health and Resilience in Veterans Study.
Tsai J, Harpaz-Rotem I, Armour C, Southwick SM, Krystal JH, Pietrzak RH. Dimensional structure of DSM-5 posttraumatic stress disorder symptoms: results from the National Health and Resilience in Veterans Study. The Journal Of Clinical Psychiatry 2014, 76: 546-53. PMID: 25562376, DOI: 10.4088/jcp.14m09091.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderLifetime posttraumatic stress disorderHealth-related functioningMental health-related functioningDSM-5 posttraumatic stress disorderUS veteransSymptom clustersPTSD symptom clustersNational HealthVeterans StudyPTSD symptomsQuality of lifeDysphoric Arousal modelPosttraumatic stress disorder (PTSD) symptomsDSM-5 posttraumatic stress disorder symptomsDSM-5 PTSD symptom clustersHealth outcomesFemale veteransSuicidal ideationDSM-5 PTSD symptomsStress disorderSymptomsDisorder symptomsPTSD symptomatologyVeterans