Lorig Kachadourian, PhD
Assistant Professor of PsychiatryCards
About
Research
Publications
2025
Intimate partner violence in United States military veterans: Results from the National Health and Resilience in Veterans Study
Kachadourian L, Fischer I, Presseau C, Portnoy G, Pietrzak R. Intimate partner violence in United States military veterans: Results from the National Health and Resilience in Veterans Study. Journal Of Affective Disorders 2025, 394: 120447. PMID: 41106619, DOI: 10.1016/j.jad.2025.120447.Peer-Reviewed Original ResearchConceptsPhysical IPV perpetrationIntimate Partner Violence PerpetrationIntimate partner violenceIPV perpetrationUse disorderNational Health and ResilienceUnited States military veteransAlcohol use disorderLifetime traumatic eventsPassive suicidal ideationSubstance use disordersLevels of hostilitySample of veteransLifetime nicotine dependenceMilitary sexual traumaPartner violenceMental health conditionsSuicidal behaviorPsychiatric variablesSuicidal ideationVeterans StudySuicide attemptsNicotine dependenceSexual traumaMilitary veteransIntimate partner violence perpetration and firearm ownership and storage practices among U.S. military veterans
Nichter B, Hill M, Fischer I, Portnoy G, Kachadourian L, Norman S, Pietrzak R. Intimate partner violence perpetration and firearm ownership and storage practices among U.S. military veterans. Journal Of Psychiatric Research 2025, 185: 177-185. PMID: 40185045, DOI: 10.1016/j.jpsychires.2025.03.033.Peer-Reviewed Original ResearchConceptsU.S. military veteransFirearm storage practicesImplementation of public health initiativesIntimate partner violenceMale veteransMilitary veteransNational Health and ResiliencePromote safe firearm storageFirearm ownersPublic health initiativesPopulation-based dataNationally Representative SampleFirearm ownershipHealth initiativesVeterans StudyElevated oddsFirearm storagePrevention effortsRepresentative sampleLifetime prevalenceStorage practicesIntimate partner violence useVeteransViolence prevention effortsScreening efforts
2021
60558 Non-Suicidal Self Injury in Military Veterans with PTSD: An Ecological Momentary Assessment Study
Kachadourian L, Sullivan T, Pietrzak R. 60558 Non-Suicidal Self Injury in Military Veterans with PTSD: An Ecological Momentary Assessment Study. Journal Of Clinical And Translational Science 2021, 5: 139-140. PMCID: PMC8828001, DOI: 10.1017/cts.2021.757.Peer-Reviewed Original ResearchPost-traumatic stress disorderEcological momentary assessmentPTSD symptomsMilitary veteransStress disorderNon-Suicidal Self-InjuryPost-traumatic stress disorder symptomsNumber of symptomsCurrent pilot studySurvey completion rateMomentary assessmentNSSI urgesEligible participantsSpecific symptomsEcological momentary assessment studySymptomsMilitary populationMomentary assessment studySelf-injuryPilot studyTreatment effortsStudy periodLarge-scale studiesSurvey completionDisorder symptoms
2020
Pilot Clinical Trial of a Website-Delivered Motivational Interviewing Program for Engaging Veterans in Paid Work
Lazar C, Gilstad-Hayden K, Brummett B, Simon P, Kachadourian L, Rosen M. Pilot Clinical Trial of a Website-Delivered Motivational Interviewing Program for Engaging Veterans in Paid Work. American Journal Of Psychiatric Rehabilitation 2020, 23: 201-226. DOI: 10.1353/jpr.2020.0011.Peer-Reviewed Original ResearchService-connectedControl websiteCounseling interventionVeterans AdministrationMotivational interviewing programMental health conditionsWeb-based adaptationWork-related activitiesVA benefitsBenefits counselingHealth conditionsPaid workEmployment outcomesVeteransCounseling programInterview programCounselingInterventionParticipantsPilot clinical trialEmploymentWebsitesProgramClinical trialsBenefits
2019
Posttraumatic Stress Disorder Symptoms, Functioning, and Suicidal Ideation in US Military Veterans: A Symptomics Approach.
Kachadourian LK, Harpaz-Rotem I, Tsai J, Southwick SM, Pietrzak RH. Posttraumatic Stress Disorder Symptoms, Functioning, and Suicidal Ideation in US Military Veterans: A Symptomics Approach. The Primary Care Companion For CNS Disorders 2019, 21 PMID: 31050228, DOI: 10.4088/pcc.18m02402.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderPositive affectMeasures of functioningCognitive functioningNegative thoughtsPTSD symptomsConcentration difficultiesSleep difficultiesTreatment of PTSDUS military veteransSeverity of PTSDPosttraumatic stress disorder (PTSD) symptomsSuicidal ideationDSM-5 PTSD symptomsMilitary veteransLifetime trauma burdenIrritability/aggressionHyperarousal symptomsDisorder symptomsStress disorderPsychogenic amnesiaPTSD diagnosisQuality of lifeMental functioningMost variancePharmacotherapies for PTSD and Substance Use Disorders
Kachadourian L, Jensen K, Sofuoglu M, Petrakis I. Pharmacotherapies for PTSD and Substance Use Disorders. 2019, 239-259. DOI: 10.4324/9781315442648-13.ChaptersOpioid use disorderAlcohol use disorderPosttraumatic stress disorderUse disordersPTSD/SUDPharmacological treatmentComorbid posttraumatic stress disorderUse of pharmacotherapySubstance use disordersEffectiveness of foodIntramuscular naltrexoneLabel medicationsEpidemiological studiesMedication developmentDrug AdministrationPharmacotherapyStress disorderAvailable evidenceDisordersNew targetsNaltrexoneTreatmentBiological mechanismsSpecific substancesSUD
2018
Protective correlates of suicidality among veterans with histories of posttraumatic stress disorder and major depressive disorder: Results from the National Health and Resilience in Veterans Study
Kachadourian LK, Tsai J, Harpaz-Rotem I, Southwick SM, Pietrzak RH. Protective correlates of suicidality among veterans with histories of posttraumatic stress disorder and major depressive disorder: Results from the National Health and Resilience in Veterans Study. Journal Of Affective Disorders 2018, 246: 731-737. PMID: 30616162, DOI: 10.1016/j.jad.2018.12.058.Peer-Reviewed Original ResearchMeSH KeywordsAdultCross-Sectional StudiesDepressive Disorder, MajorFemaleHumansLogistic ModelsMaleMiddle AgedMultivariate AnalysisOptimismPrevalenceProtective FactorsResilience, PsychologicalRisk FactorsStress Disorders, Post-TraumaticSuicidal IdeationSuicideSuicide, AttemptedSurveys and QuestionnairesUnited StatesVeteransYoung AdultConceptsMajor depressive disorderPosttraumatic stress disorderProtective correlatesSuicidal ideationSuicide attemptsProtective factorsDepressive disorderNational HealthVeterans StudyMultivariable logistic regression analysisSuicidal behaviorStress disorderHistory of PTSDLogistic regression analysisSample of veteransAssessment of suicidalityLifetime suicide attemptsRisk factorsHigh-risk sampleTreatment approachesU.S. veteransWeb-based surveyCross-sectional natureSuicide riskSelf-report itemsTrajectories of alcohol consumption in U.S. military veterans: Results from the National Health and Resilience in Veterans Study
Fuehrlein BS, Kachadourian LK, DeVylder EK, Trevisan LA, Potenza MN, Krystal JH, Southwick SM, Pietrzak RH. Trajectories of alcohol consumption in U.S. military veterans: Results from the National Health and Resilience in Veterans Study. American Journal On Addictions 2018, 27: 383-390. PMID: 29667712, DOI: 10.1111/ajad.12731.Peer-Reviewed Original ResearchMajor depressive disorderLifetime major depressive disorderAlcohol consumptionPredominant trajectoriesNational HealthVeterans StudyAlcohol Use Disorders Identification Test-ConsumptionBrief alcohol screensExcessive drinkingPopulation-based preventionSocial supportExcessive alcohol consumptionAlcohol use disorderLow social supportU.S. military veteransAlcohol screenBaseline determinantsDepressive disorderLatent growth mixture modelingMedical conditionsModerate drinkersRare drinkersModerate drinkingUse disordersGreater social supportNegative Affect Intensity and Hostility in Individuals With Alcohol Use Disorder With or Without Posttraumatic Stress Disorder
Gandelman E, Petrakis I, Kachadourian L, Ralevski E. Negative Affect Intensity and Hostility in Individuals With Alcohol Use Disorder With or Without Posttraumatic Stress Disorder. Journal Of Dual Diagnosis 2018, 14: 96-101. PMID: 29461925, DOI: 10.1080/15504263.2018.1434264.Peer-Reviewed Original ResearchConceptsNegative affect intensityPosttraumatic stress disorderComorbid alcohol use disorderAlcohol use disorderAffect intensityStress disorderHostility levelsUse disordersBuss-Durkee Hostility InventoryNegative affectPTSD symptomatologyDiagnosis severityAUD severityHostility InventorySymptomatology improvementHostilityHigh levelsPlacebo control groupParticipantsIndividualsDisordersFirst studyAffectSecondary analysisIntensity scaleSuicidal ideation in military veterans with alcohol dependence and PTSD: The role of hostility
Kachadourian LK, Gandelman E, Ralevski E, Petrakis IL. Suicidal ideation in military veterans with alcohol dependence and PTSD: The role of hostility. American Journal On Addictions 2018, 27: 124-130. PMID: 29489046, DOI: 10.1111/ajad.12688.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderSuicidal ideationAlcohol dependencePTSD symptom severityDepression symptomsMilitary veteransPlacebo-controlled treatment studySymptom severitySignificant public health problemComorbid posttraumatic stress disorderPublic health problemRelevant risk factorsRisk of suicideLifetime suicidal ideationUS military veteransRisk factorsTreatment approachesHealth problemsTreatment studiesRole of hostilityCovert hostilityStress disorderCivilian samplesVeteransIdeation
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