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, PMCID: PMC11581715, DOI: 10.1001/jamapsychiatry.2024.3403.Peer-Reviewed Original ResearchPrevalence, Correlates, and Burden of Subthreshold PTSD in US Veterans.
Fischer I, Na P, Harpaz-Rotem I, Marx B, Pietrzak R. Prevalence, Correlates, and Burden of Subthreshold PTSD in US Veterans. The Journal Of Clinical Psychiatry 2024, 85 PMID: 39480145, DOI: 10.4088/jcp.24m15465.Peer-Reviewed Original ResearchConceptsSubthreshold posttraumatic stress disorderPosttraumatic stress disorderPosttraumatic stress disorder symptom clustersLifetime psychiatric disordersUS veteransUS military veteransSymptom-related distressStress disorderPsychiatric disordersSymptom clustersTreating veteransCriterion AMilitary veteransTraumatic eventsCognitive functionWorking case definitionMental healthCriterion FFunctional impairmentVeteransNationally representative sampleFunctional correlatesDisordersElevated oddsGreater oddsSuccessful Aging in US Veterans with Mental Disorders: Results From the National Health and Resilience in Veterans Study
Shin J, Fischer I, Na P, Jeste D, Pietrzak R. Successful Aging in US Veterans with Mental Disorders: Results From the National Health and Resilience in Veterans Study. American Journal Of Geriatric Psychiatry 2024 PMID: 39214753, DOI: 10.1016/j.jagp.2024.07.018.Peer-Reviewed Original ResearchGeneralized anxiety disorderPosttraumatic stress disorderMental disordersSomatic symptomsNational Health and ResilienceUS military veteransSuccessful agingAnxiety disordersDepressive disorderUS veteransStress disorderPromote successful agingHigher gratitudeVeterans StudyMilitary veteransInterventions targeting psychosocial factorsOne-in-fiveVeteransMDDDisordersPsychosocial factorsGratitudeNegative associationSymptomsMultivariate logistic regressionFunctional significance of posttraumatic growth in U.S. military veterans
Gower T, Fischer I, Tsai J, Kang H, Na P, Tedeschi R, Pietrzak R. Functional significance of posttraumatic growth in U.S. military veterans. Journal Of Affective Disorders 2024, 356: 267-273. PMID: 38614442, DOI: 10.1016/j.jad.2024.04.046.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderPosttraumatic stress disorder symptomsPosttraumatic growthPsychosocial functioningTraumatic eventsTrauma-exposed U.S. veteransNational Health and ResilienceMale veteran samplePost-trauma functioningPattern of findingsRetrospective self-reportsU.S. military veteransVeteran sampleStress disorderVeterans StudyExamined relationsCross-sectional designMilitary veteransNationally representative sampleU.S. veteransAssociated with functionsPhysical functionClinical interventionsPsychosocial characteristicsVeterans
2023
Changes in mental health among U.S. military veterans during the COVID-19 pandemic: A network analysis
Spiller T, Na P, Merians A, Duek O, Ben-Zion Z, Tsai J, von Känel R, Harpaz-Rotem I, Pietrzak R. Changes in mental health among U.S. military veterans during the COVID-19 pandemic: A network analysis. Journal Of Psychiatric Research 2023, 165: 352-359. PMID: 37595331, DOI: 10.1016/j.jpsychires.2023.08.003.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderSymptoms of PTSDTraumatic eventsPosttraumatic growthU.S. military veteransPTSD symptomsSuicidal ideationMental healthMilitary veteransIncrease of symptomsPopulation-based sampleCOVID-19 pandemicFirst yearStress disorderMost veteransSymptomsFirst monthPsychopathological symptomsGeneral resilienceGroup levelAnxietyVeteransIndividual reactionsDepressionSubtle increaseCOVID-19-related media consumption and posttraumatic stress symptoms in U.S. military veterans: A nationally representative, longitudinal study
Whealin J, Fischer I, Na P, Pietrzak R. COVID-19-related media consumption and posttraumatic stress symptoms in U.S. military veterans: A nationally representative, longitudinal study. Psychiatry Research 2023, 326: 115354. PMID: 37480676, DOI: 10.1016/j.psychres.2023.115354.Peer-Reviewed Original ResearchTrajectories of alcohol consumption in U.S. military veterans: Results from a 10-year population-based longitudinal study
Na P, Montalvo-Ortiz J, Petrakis I, Krystal J, Polimanti R, Gelernter J, Pietrzak R. Trajectories of alcohol consumption in U.S. military veterans: Results from a 10-year population-based longitudinal study. Drug And Alcohol Dependence 2023, 246: 109833. PMID: 36963160, PMCID: PMC10811960, DOI: 10.1016/j.drugalcdep.2023.109833.Peer-Reviewed Original ResearchConceptsAlcohol consumption groupCurrent mental health treatmentDysphoric arousal symptomsMental health treatmentUS veteransAlcohol consumptionHealth treatmentConsumption groupArousal symptomsYounger agePopulation-based longitudinal studyPublic health problemLongitudinal studyExcessive alcohol consumptionAlcohol use disorderPosttraumatic stress disorderU.S. military veteransMedical comorbiditiesChronic courseNational HealthClose monitoringUse disordersHealth problemsVeterans StudyStress disorder
2022
Moral injury among U.S. combat veterans with and without PTSD and depression
Norman SB, Nichter B, Maguen S, Na PJ, Schnurr PP, Pietrzak RH. Moral injury among U.S. combat veterans with and without PTSD and depression. Journal Of Psychiatric Research 2022, 154: 190-197. PMID: 35947898, DOI: 10.1016/j.jpsychires.2022.07.033.Peer-Reviewed Original ResearchConceptsProbable posttraumatic stress disorderPosttraumatic stress disorderCombat veteransInjurious eventsU.S. combat veteransProbable depressionFunctional impairmentMost veteransStress disorderDepressionVeteransPrevalenceDisordersRepresentative studyRepresentative sampleMoral injuryPMIEsParticipantsCannabis use among U.S. military veterans with subthreshold or threshold posttraumatic stress disorder: Psychiatric comorbidities, functioning, and strategies for coping with posttraumatic stress symptoms
Hill ML, Loflin M, Nichter B, Na PJ, Herzog S, Norman SB, Pietrzak RH. Cannabis use among U.S. military veterans with subthreshold or threshold posttraumatic stress disorder: Psychiatric comorbidities, functioning, and strategies for coping with posttraumatic stress symptoms. Journal Of Traumatic Stress 2022, 35: 1154-1166. PMID: 35275431, DOI: 10.1002/jts.22823.Peer-Reviewed Original ResearchConceptsU.S. military veteransFull PTSDCannabis usePTSD symptomsPosttraumatic stress disorder (PTSD) symptomsThreshold Posttraumatic Stress DisorderMilitary veteransPosttraumatic stress symptomsPosttraumatic stress disorderPsychiatric symptomsFrequent cannabis useMental health treatmentCurrent psychiatric symptomsCo-occurring depressionCognitive functioningBehavioral disengagementDisorder symptomsStress disorderStress symptomsFrequent cannabisTreatment engagementPTSDVeterans StudyHealth treatmentSubstance use
2021
Factors associated with post-traumatic growth in response to the COVID-19 pandemic: Results from a national sample of U.S. military veterans
Na PJ, Tsai J, Southwick SM, Pietrzak RH. Factors associated with post-traumatic growth in response to the COVID-19 pandemic: Results from a national sample of U.S. military veterans. Social Science & Medicine 2021, 289: 114409. PMID: 34537394, PMCID: PMC8445520, DOI: 10.1016/j.socscimed.2021.114409.Peer-Reviewed Original ResearchConceptsPost-traumatic growthPosttraumatic stress disorderPTSD symptomsU.S. military veteransPositive psychological changesNegative psychological outcomesMilitary veteransU.S. veteransNational samplePrior traumatic eventsAvoidance symptomsTrauma survivorsPsychological outcomesTraumatic eventsPsychological changesPsychosocial interventionsStress disorderPsychological distressPsychological impactCOVID-19 pandemicMajority of researchVeterans StudyMental healthLongitudinal studyFunctional correlatesNew‐onset and exacerbated insomnia symptoms during the COVID‐19 pandemic in US military veterans: A nationally representative, prospective cohort study
McCarthy E, DeViva JC, Na PJ, Pietrzak RH. New‐onset and exacerbated insomnia symptoms during the COVID‐19 pandemic in US military veterans: A nationally representative, prospective cohort study. Journal Of Sleep Research 2021, 31: e13450. PMID: 34327743, PMCID: PMC8420100, DOI: 10.1111/jsr.13450.Peer-Reviewed Original ResearchConceptsClinical insomnia symptomsInsomnia symptomsUS military veteransPandemic-related stressMilitary veteransProspective cohort studyHigh-risk populationInsomnia Severity IndexCOVID-19 pandemicPosttraumatic stress disorderPandemic-related factorsChest painCohort studyUS veteransNational HealthRepresentative sampleSubthreshold insomniaVeterans StudySymptomsIsolation restrictionsStress disorderMental healthTreatment effortsSeverity IndexPotential targetPosttraumatic Distress Symptoms and Their Response to Treatment in Adults With Prolonged Grief Disorder.
Na PJ, Adhikari S, Szuhany KL, Chen AZ, Suzuki RR, Malgaroli M, Robinaugh DJ, Bui E, Mauro C, Skritskaya NA, Lebowitz BD, Zisook S, Reynolds CF, Shear MK, Simon NM. Posttraumatic Distress Symptoms and Their Response to Treatment in Adults With Prolonged Grief Disorder. The Journal Of Clinical Psychiatry 2021, 82 PMID: 34000119, DOI: 10.4088/jcp.20m13576.Peer-Reviewed Original ResearchConceptsPosttraumatic stress symptomsPosttraumatic distress symptomsNonviolent deathsGrief disorderPosttraumatic stress disorderBereaved adultsPrimary diagnosisFunctional impairmentMixed-effects regressionPlaceboProlonged Grief DisorderGrief treatmentMajor life stressorsCitalopramSecondary analysisAntidepressant citalopramDistress symptomsStress disorderPoor functioningLife stressorsAdultsDisordersTreatmentStress symptomsSymptoms