2024
Identifying transdiagnostic traumatic stress reactions in U.S. military veterans: A nationally representative study
Pugach C, Adams S, Wisco B, Pietrzak R. Identifying transdiagnostic traumatic stress reactions in U.S. military veterans: A nationally representative study. Journal Of Traumatic Stress 2024 PMID: 39682069, DOI: 10.1002/jts.23119.Peer-Reviewed Original ResearchPosttraumatic stress disorderTraumatic stress reactionsU.S. military veteransDysphoric arousalMilitary veteransSelf-reported posttraumatic stress disorderPosttraumatic stress disorder symptomsNational Health and ResilienceStress reactionsComorbid psychopathologyPsychopathological symptomsGeneralized anxietyStress disorderDiagnostic subtypesVeterans StudyDepressive symptomsLatent class analysisTrauma historySymptom differencesU.S. veteransPsychopathologyMental functioningPsychosocial correlatesArousalFunctional impairmentHappiness in US military veterans: Results from a nationally representative study
Kang H, Fischer I, Na P, Pietrzak R. Happiness in US military veterans: Results from a nationally representative study. PLOS ONE 2024, 19: e0313609. PMID: 39661580, PMCID: PMC11633995, DOI: 10.1371/journal.pone.0313609.Peer-Reviewed Original ResearchConceptsUS military veteransMilitary veteransNational Health and ResilienceWhole Health approachEmotional stabilityMean happiness scoreWell-beingPerception of well-beingSeverity of depressive symptomsNationally representative sampleCorrelates of happinessMeasures of optimismVeterans' perceptionsPsychosocial characteristicsVeterans StudySubjective well-beingDepressive symptomsHealth approachRepresentative sampleHigher optimismVeteransHappiness scoresGreater happinessAnalyzed dataUS DepartmentHealth correlates of experiential and behavioral avoidance among trauma-exposed veterans
Schwartz E, Palmisano A, Petrakis I, Pietrzak R, Sofuoglu M. Health correlates of experiential and behavioral avoidance among trauma-exposed veterans. Journal Of Psychiatric Research 2024, 176: 213-217. PMID: 38878649, DOI: 10.1016/j.jpsychires.2024.06.014.Peer-Reviewed Original ResearchTrauma-exposed veteransExperiential avoidanceBehavioral avoidanceAnxiety symptomsDepressive symptomsMental health outcomesCognitive dysfunctionPhysical healthPhysical health outcomesHealth outcomesQuality of lifeHealth-related dysfunctionTrauma historyPsychosocial functioningCognitive functionAvoidance behaviorOutcome measuresHealth-related quality of lifeTreatment targetDistressExploratory analysisVeteransHealth-related qualityAvoidanceAnxietyRandomized controlled trial of two internet-based written therapies for world trade center workers and survivors with persistent PTSD symptoms
Feder A, Kowalchyk M, Brinkman H, Cahn L, Aaronson C, Böttche M, Presseau C, Fred-Torres S, Markowitz J, Litz B, Yehuda R, Knaevelsrud C, Pietrzak R. Randomized controlled trial of two internet-based written therapies for world trade center workers and survivors with persistent PTSD symptoms. Psychiatry Research 2024, 336: 115885. PMID: 38603979, DOI: 10.1016/j.psychres.2024.115885.Peer-Reviewed Original ResearchPosttraumatic stress disorderPosttraumatic stress disorder symptom clustersWTC-related PTSD symptomsMental health-related functioningPTSD symptomsSymptom clustersHealth-related functioningPosttraumatic stress disorder's avoidancePosttraumatic stress disorder symptomsPosttraumatic Stress Disorder ChecklistPresent-centered therapyAssociated with significantly greater reductionsPersistent PTSD symptomsActive control interventionModerate-to-largeQuality of lifeSignificant main effectTreatment-by-time interactionWorld Trade Center survivorDSM-5PCL-5Stress disorderDepressive/anxiety symptomsWorld Trade CenterDepressive symptoms
2023
Identifying significant correlates of purpose in life in older US military veterans: results from the national health and resilience in veterans study.
Fischer I, Feldman D, Tsai J, Harpaz-Rotem I, Lucas K, Schulenberg S, Pietrzak R. Identifying significant correlates of purpose in life in older US military veterans: results from the national health and resilience in veterans study. International Psychogeriatrics 2023, 35: 560-565. PMID: 36715004, DOI: 10.1017/s1041610222001223.Peer-Reviewed Original ResearchConceptsUS military veteransNational HealthMilitary veteransSignificant correlatesOlder US veteransAdverse health outcomesModifiable psychosocial factorsAdverse outcomesElastic net analysisUS veteransDepressive symptomsPsychosocial factorsHealth outcomesVeterans StudyPsychosocial variablesTreatment effortsCognitive outcomesCross-sectional dataVeteransOutcomesSocial supportCommunity integrationImportant correlatesHealthCorrelates
2015
Amyloid-β, Anxiety, and Cognitive Decline in Preclinical Alzheimer Disease: A Multicenter, Prospective Cohort Study
Pietrzak RH, Lim YY, Neumeister A, Ames D, Ellis KA, Harrington K, Lautenschlager NT, Restrepo C, Martins RN, Masters CL, Villemagne VL, Rowe CC, Maruff P. Amyloid-β, Anxiety, and Cognitive Decline in Preclinical Alzheimer Disease: A Multicenter, Prospective Cohort Study. JAMA Psychiatry 2015, 72: 284-291. PMID: 25629787, DOI: 10.1001/jamapsychiatry.2014.2476.Peer-Reviewed Original ResearchConceptsPreclinical Alzheimer's diseaseSubjective memory complaintsElevated anxiety symptomsVerbal memoryExecutive functionGlobal cognitionAnxiety symptomsCognitive declineCognitive changesMemory complaintsAβ statusDepressive symptomsLow anxiety groupComprehensive neuropsychological evaluationHigh anxiety groupRole of anxietyFlorbetapir F 18Visual memoryCognitive domainsVisuospatial abilitiesMild cognitive impairmentNeuropsychological evaluationCognitive functionProspective cohort studyMore rapid decline