2023
Assessing the impact of a comprehensive mental health program on frontline health service workers
Ward E, Fragala M, Birse C, Hawrilenko M, Smolka C, Ambwani G, Brown M, Krystal J, Corlett P, Chekroud A. Assessing the impact of a comprehensive mental health program on frontline health service workers. PLOS ONE 2023, 18: e0294414. PMID: 37988363, PMCID: PMC10662717, DOI: 10.1371/journal.pone.0294414.Peer-Reviewed Original ResearchConceptsMental health benefitsSheehan Disability ScaleHealth service workersMental health issuesHealth benefitsHealth issuesRetrospective cohort studyPHQ-9 scaleMental health screeningComprehensive mental health programGAD-7 scaleMental health programsCare navigationCohort studyHealth screeningDisability ScaleMedication managementTreatment appointmentsFunctional impairmentLeast moderate anxietyHealth services companyOutcome assessmentHealth programsModerate anxietyAnxiety symptomsLongitudinal 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 Research
2022
Clinical and Financial Outcomes Associated With a Workplace Mental Health Program Before and During the COVID-19 Pandemic
Bondar J, Morrow C, Gueorguieva R, Brown M, Hawrilenko M, Krystal JH, Corlett PR, Chekroud AM. Clinical and Financial Outcomes Associated With a Workplace Mental Health Program Before and During the COVID-19 Pandemic. JAMA Network Open 2022, 5: e2216349. PMID: 35679044, PMCID: PMC9185188, DOI: 10.1001/jamanetworkopen.2022.16349.Peer-Reviewed Original ResearchConceptsMental health programsHealth programsCohort studyLarge clinical effect sizesPatient Health Questionnaire-9Common mental health conditionsSheehan Disability ScaleClinical effect sizeMental health conditionsMental health symptomsCost of treatmentGeneralized anxiety disorderMental health difficultiesMental health benefitsWorkplace wellness programsCare navigationClinical improvementPrimary outcomeClinical benefitQuestionnaire-9Disability ScaleMedication managementLeast moderate anxietyMixed-effects regressionPerson psychotherapy
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 studiesPrevalence 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 variablesMental 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
Association of a Prior Psychiatric Diagnosis With Mortality Among Hospitalized Patients With Coronavirus Disease 2019 (COVID-19) Infection
Li L, Li F, Fortunati F, Krystal JH. Association of a Prior Psychiatric Diagnosis With Mortality Among Hospitalized Patients With Coronavirus Disease 2019 (COVID-19) Infection. JAMA Network Open 2020, 3: e2023282. PMID: 32997123, PMCID: PMC7527869, DOI: 10.1001/jamanetworkopen.2020.23282.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overBetacoronavirusCerebrovascular DisordersCohort StudiesComorbidityCoronavirus InfectionsCOVID-19Diabetes MellitusFemaleHeart FailureHIV InfectionsHospitalizationHumansKaplan-Meier EstimateKidney DiseasesLiver DiseasesMaleMental DisordersMiddle AgedMyocardial InfarctionNeoplasmsPandemicsPneumonia, ViralProportional Hazards ModelsRisk FactorsSARS-CoV-2United States
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 difficulties
2016
The 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 connectednessLate-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
2012
Mild Worry Symptoms Predict Decline in Learning and Memory in Healthy Older Adults: A 2-Year Prospective Cohort Study
Pietrzak RH, Maruff P, Woodward M, Fredrickson J, Fredrickson A, Krystal JH, Southwick SM, Darby D. Mild Worry Symptoms Predict Decline in Learning and Memory in Healthy Older Adults: A 2-Year Prospective Cohort Study. American Journal Of Geriatric Psychiatry 2012, 20: 266-275. PMID: 22354117, PMCID: PMC3285262, DOI: 10.1097/jgp.0b013e3182107e24.Peer-Reviewed Original ResearchConceptsWorry symptomsOlder adultsCommunity-dwelling older adultsCognitive functionAge-related cognitive changesHealthy Older AdultsImportance of anxietyEarly cognitive declineDepressive symptomsAssociate learningCognitive agingVisual learningCognitive changesProspective cohort studyCognitive declineDepression symptomsEarly dementiaCohort studyObservational prospective cohort studyMemoryMild levelsLearningWorryAdultsTheoretical model
2010
A Prospective Cohort Study Investigating Factors Associated With Depression During Medical Internship
Sen S, Kranzler HR, Krystal JH, Speller H, Chan G, Gelernter J, Guille C. A Prospective Cohort Study Investigating Factors Associated With Depression During Medical Internship. JAMA Psychiatry 2010, 67: 557-565. PMID: 20368500, PMCID: PMC4036806, DOI: 10.1001/archgenpsychiatry.2010.41.Peer-Reviewed Original ResearchMeSH KeywordsAdultCohort StudiesDepressionDepressive DisorderDepressive Disorder, MajorFemaleGenotypeHealth StatusHumansInternship and ResidencyLife Change EventsMaleMedicinePolymorphism, Single NucleotidePrevalenceProspective StudiesRisk FactorsSerotonin Plasma Membrane Transport ProteinsStress, PsychologicalStudents, MedicalSurveys and QuestionnairesConceptsDepressive symptomsPHQ-9 depression scoresProspective cohort studyPrevalence of depressionPatient Health QuestionnaireProportion of participantsMedical internsMedical internshipGreater increasePHQ-9 criteriaCohort studyHealth QuestionnaireMood symptomsGeneral populationDepression scoresUS hospitalsSymptomsSerotonin transporter protein geneGenetic polymorphismsDepressionGenetic factorsLife stressMarked increaseRecent reportsResidency programs