2024
Problem Opioid Use Among US Military Veterans: Prevalence, Correlates, and Psychiatric Characteristics
Na P, Petrakis I, Krystal J, Pietrzak R. Problem Opioid Use Among US Military Veterans: Prevalence, Correlates, and Psychiatric Characteristics. Journal Of Addiction Medicine 2024, 18: 313-318. PMID: 38498625, PMCID: PMC11150085, DOI: 10.1097/adm.0000000000001286.Peer-Reviewed Original ResearchInstrumental activities of daily livingInstrumental activities of daily living disabilityLifetime suicide attemptsProblem opioid useUS military veteransUS veteransPsychiatric characteristicsSuicide attemptsMilitary veteransAssociated with black race/ethnicityActivities of daily livingNational Health and ResilienceLifetime alcohol use disorderMental health morbidityPosttraumatic stress disorderMental health disordersAlcohol use disorderNon-Hispanic race/ethnicityMultivariate logistic regression modelNationally representative sampleOpioid useLogistic regression modelsInstrumental activitiesHealth morbidityDaily living
2023
Positive personality traits moderate persistent high alcohol consumption, determined by polygenic risk in U.S. military veterans: results from a 10-year, population-based, observational cohort study
Na P, Zhou H, Montalvo-Ortiz J, Cabrera-Mendoza B, Petrakis I, Krystal J, Polimanti R, Gelernter J, Pietrzak R. Positive personality traits moderate persistent high alcohol consumption, determined by polygenic risk in U.S. military veterans: results from a 10-year, population-based, observational cohort study. Psychological Medicine 2023, 53: 7893-7901. PMID: 37642191, DOI: 10.1017/s003329172300199x.Peer-Reviewed Original ResearchLongitudinal 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 populationsVeterans
2022
Dissecting the epigenomic differences between smoking and nicotine dependence in a veteran cohort
Nagamatsu S, Pietrzak R, Xu K, Krystal J, Gelernter J, Montalvo‐Ortiz J. Dissecting the epigenomic differences between smoking and nicotine dependence in a veteran cohort. Addiction Biology 2022, 28: e13259. PMID: 36577721, DOI: 10.1111/adb.13259.Peer-Reviewed Original ResearchConceptsSmoking statusNicotine dependenceVeteran cohortNon-current smokersSerious public health issueNovel treatment strategiesPublic health issueUS military veteransEpigenome-wide association studiesCurrent smokersTreatment strategiesFagerström TestNicotine addictionSmokingHealth issuesRole of epigeneticsMilitary veteransMethylationEPIC BeadChip arraySmokersContinuous variablesF2RL3 geneCohortBiomarkersBeadChip arrayPrevious findingsGenetic 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 levelsVeteransSuicidalityPosttraumatic 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
Prevalence and Trends in Suicidal Behavior Among US Military Veterans During the COVID-19 Pandemic
Nichter B, Hill ML, Na PJ, Kline AC, Norman SB, Krystal JH, Southwick SM, Pietrzak RH. Prevalence and Trends in Suicidal Behavior Among US Military Veterans During the COVID-19 Pandemic. JAMA Psychiatry 2021, 78: 1218-1227. PMID: 34431973, PMCID: PMC8387942, DOI: 10.1001/jamapsychiatry.2021.2332.Peer-Reviewed Original ResearchConceptsUS military veteransCOVID-19 infectionCohort studySuicidal behaviorPast-year suicide ideationRisk factorsMilitary veteransPopulation-based prospective cohort studyCOVID-19 pandemicSuicide ideationSuicide attemptsProspective cohort studyLifetime posttraumatic stress disorderStrong risk factorCOVID-19 public health emergencyLow social supportPosttraumatic stress disorderPublic health emergencyAlcohol use disorder severityUS veteransNational HealthMAIN OUTCOMESuicide attempt historyVeterans StudyCOVID-19-related variables
2016
The burden of alcohol use disorders in US military veterans: results from the National Health and Resilience in Veterans Study
Fuehrlein BS, Mota N, Arias AJ, Trevisan LA, Kachadourian LK, Krystal JH, Southwick SM, Pietrzak RH. The burden of alcohol use disorders in US military veterans: results from the National Health and Resilience in Veterans Study. Addiction 2016, 111: 1786-1794. PMID: 27061707, DOI: 10.1111/add.13423.Peer-Reviewed Original ResearchConceptsProbable alcohol use disorderAlcohol use disorderUS military veteransAlcohol Use Disorders Identification Test-ConsumptionUse disordersLife-time historyMale sexPsychiatric comorbidityUS veteransNational HealthMilitary veteransSuicidal ideationVeterans StudyYounger ageMini International Neuropsychiatric InterviewPast-year alcohol use disorderCommon psychiatric comorbiditiesLower annual household incomeDSM-IV diagnostic criteriaLife-time diagnosisDrug use disordersInternational Neuropsychiatric InterviewMajor depressive disorderRisk of AUDLife-time suicide attemptsLate-life exacerbation of PTSD symptoms in US veterans: results from the National Health and Resilience in Veterans Study.
Mota N, Tsai J, Kirwin PD, Harpaz-Rotem I, Krystal JH, Southwick SM, Pietrzak RH. Late-life exacerbation of PTSD symptoms in US veterans: results from the National Health and Resilience in Veterans Study. The Journal Of Clinical Psychiatry 2016, 77: 348-54. PMID: 27046308, DOI: 10.4088/jcp.15m10101.Peer-Reviewed Original ResearchConceptsOlder US veteransPosttraumatic stress disorderUS veteransPTSD symptomsNational HealthVeterans StudyMultivariable logistic regression modelWorst traumaDelayed-onset posttraumatic stress disorderExecutive dysfunctionWave 2Population-based dataUS military veteransLogistic regression modelsWave 1Cohort studySignificant exacerbationGreater severitySymptomsOlder ageStress disorderSelf-reported cognitive difficultiesPotential targetMilitary veteransLater life