2022
Psychosocial Factors Associated With Accelerated GrimAge in Male U.S. Military Veterans
Tamman AJF, Nagamatsu S, Krystal JH, Gelernter J, Montalvo-Ortiz JL, Pietrzak RH. Psychosocial Factors Associated With Accelerated GrimAge in Male U.S. Military Veterans. American Journal Of Geriatric Psychiatry 2022, 31: 97-109. PMID: 36210262, DOI: 10.1016/j.jagp.2022.09.002.Peer-Reviewed Original ResearchConceptsRisk factorsPremature mortalityU.S. veteransPsychosocial variablesNovel epigenetic clockLifetime substance use disorderRisk stratification modelMale U.S. veteransCross-sectional studyU.S. veteran populationWeekly physical exerciseSubstance use disordersMale U.S. military veteransBiological agingU.S. military veteransHealth morbidityModifiable correlatesMortality riskSleep qualityHigh riskGreater oddsUse disordersPhysical exercisePsychosocial factorsVeteran population
2021
Psychosocial moderators of polygenic risk for suicidal ideation: Results from a 7-year population-based, prospective cohort study of U.S. veterans
Na PJ, De Angelis F, Nichter B, Wendt FR, Krystal JH, Southwick SM, Levey DF, Gelernter J, Polimanti R, Pietrzak RH. Psychosocial moderators of polygenic risk for suicidal ideation: Results from a 7-year population-based, prospective cohort study of U.S. veterans. Molecular Psychiatry 2021, 27: 1068-1074. PMID: 34725455, DOI: 10.1038/s41380-021-01352-2.Peer-Reviewed Original ResearchConceptsNew-onset suicidal ideationChronic suicidal ideationPolygenic risk scoresSuicidal ideationProspective cohort studyPolygenic riskRisk of SIHigher baseline levelsHigh polygenic riskModifiable psychosocial factorsSocial supportDispositional optimismCohort studyProspective cohortUS veteransSymptomatic courseRisk scorePsychosocial factorsGenome-wide association studiesBaseline levelsU.S. veteransSuicidal thoughtsPsychosocial moderatorsStudy periodLarge genome-wide association studiesMental health impact of the COVID-19 pandemic in U.S. military veterans: a population-based, prospective cohort study
Hill ML, Nichter B, Na PJ, Norman SB, Morland LA, Krystal JH, Pietrzak RH. Mental health impact of the COVID-19 pandemic in U.S. military veterans: a population-based, prospective cohort study. Psychological Medicine 2021, 53: 945-956. PMID: 34120667, PMCID: PMC8245339, DOI: 10.1017/s0033291721002361.Peer-Reviewed Original ResearchConceptsPositive screenPsychiatric distressU.S. military veteran populationMiddle-aged veteransProspective cohort studyProspective cohort surveyMajor depressive disorderMilitary veteran populationMental health problemsMental health impactU.S. military veteransCohort studyDepressive disorderNational HealthPsychiatric symptomsVeteran populationCohort surveyHealth problemsU.S. veteransVeterans StudyClinical implicationsCoronavirus diseaseProtective factorsMeaningful preMental health
2020
The National Health and Resilience in Veterans Study: A Narrative Review and Future Directions
Fogle BM, Tsai J, Mota N, Harpaz-Rotem I, Krystal JH, Southwick SM, Pietrzak RH. The National Health and Resilience in Veterans Study: A Narrative Review and Future Directions. Frontiers In Psychiatry 2020, 11: 538218. PMID: 33362593, PMCID: PMC7755975, DOI: 10.3389/fpsyt.2020.538218.Peer-Reviewed Original ResearchNational HealthVeterans StudyMental disordersNarrative reviewVeterans Affairs Healthcare SystemPopulation-based dataUnique health needsUnited States veteransPost-traumatic stress disorderNon-veteran counterpartsPost-traumatic growthProtective psychosocial characteristicsProspective studyStates veteransIndependent cohortHealth outcomesHealth needsU.S. veteransCare deliveryClinical implicationsLongitudinal changesPsychosocial characteristicsProtective factorsStress disorderTreatment efforts
2019
Posttraumatic stress symptom courses in U.S. military veterans: A seven-year, nationally representative, prospective cohort study
Mota NP, Cook JM, Smith NB, Tsai J, Harpaz-Rotem I, Krystal JH, Southwick SM, Pietrzak RH. Posttraumatic stress symptom courses in U.S. military veterans: A seven-year, nationally representative, prospective cohort study. Journal Of Psychiatric Research 2019, 119: 23-31. PMID: 31546045, DOI: 10.1016/j.jpsychires.2019.09.005.Peer-Reviewed Original ResearchConceptsPTSD symptom courseSymptom courseU.S. military veteransLatent growth mixture modelingProspective cohort studyMilitary veteransLifetime psychiatric historyMental health treatmentPhysical health difficultiesLifetime traumatic eventsTrauma-exposed veteransProtective psychosocial characteristicsCohort studyProspective cohortModerate symptomsModifiable correlatesNational HealthSymptomatic coursePsychiatric historyHealth treatmentU.S. veteransVeterans StudyPsychosocial characteristicsHigher symptomsHealth difficultiesAccelerated 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
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 historyVeteransCortical thickness reduction in combat exposed U.S. veterans with and without PTSD
Wrocklage KM, Averill LA, Scott J, Averill CL, Schweinsburg B, Trejo M, Roy A, Weisser V, Kelly C, Martini B, Harpaz-Rotem I, Southwick SM, Krystal JH, Abdallah CG. Cortical thickness reduction in combat exposed U.S. veterans with and without PTSD. European Neuropsychopharmacology 2017, 27: 515-525. PMID: 28279623, PMCID: PMC5429865, DOI: 10.1016/j.euroneuro.2017.02.010.Peer-Reviewed Original ResearchConceptsClinician-Administered PTSD ScalePTSD symptom dimensionsPTSD diagnosisCombat exposureCortical thicknessSymptom dimensionsMagnetic resonance imagingPosttraumatic stress disorder (PTSD) symptomsU.S. veteransCortical thinningUnique brain regionsLeft lateral prefrontalAnxious arousalPTSD dimensionsNeural correlatesHigh-resolution magnetic resonance imagingCortical thickness reductionsLateral prefrontalPTSD symptomsDisorder symptomsCombat severityCurrent PTSDPTSD ScalePrefrontal cortexPotential confounds
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 connectedness