2023
Subjective cognitive difficulties and posttraumatic stress disorder interact to increase suicide risk among middle-aged and older US military veterans
Cations M, Cook J, Nichter B, Esterlis I, Pietrzak R. Subjective cognitive difficulties and posttraumatic stress disorder interact to increase suicide risk among middle-aged and older US military veterans. International Psychogeriatrics 2023, 36: 599-607. PMID: 36756753, DOI: 10.1017/s1041610222001053.Peer-Reviewed Original ResearchPosttraumatic stress disorderSubjective cognitive difficultiesCurrent suicidal intentSuicidal intentSuicidal ideationPatient Health Questionnaire-9Suicide riskStress disorderCurrent posttraumatic stress disorderMilitary veteransCross-sectional studyUnited States military veteransUS military veteransCognitive Functioning ScaleOlder U.S. veteransCognitive difficultiesSubjective cognitive impairmentQuestionnaire-9US veteransNational HealthSuicide Behaviors QuestionnaireOlder veteransCognitive impairmentConcentration difficultiesU.S. veteransInteractive association of posttraumatic stress disorder, apolipoprotein ε4 genotype, and age on cognitive functioning
Lawrence K, Rippey C, Welikson B, Pietrzak R, Adams T. Interactive association of posttraumatic stress disorder, apolipoprotein ε4 genotype, and age on cognitive functioning. International Journal Of Geriatric Psychiatry 2023, 38: e5888. PMID: 36757293, PMCID: PMC10168127, DOI: 10.1002/gps.5888.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderThree-way interactionCognitive functioningStress disorderOlder participantsTreatment of PTSDMain effectProbable posttraumatic stress disorderAge-related cognitive impairmentAPOE ε4U.S. military veteransApolipoprotein ε4 genotypeCognitive deficitsPsychomotor performanceAge-related associationsInteractive associationsVeterans StudyMilitary veteransCognitive impairmentPreliminary evidenceTwo-way interactionAPM performanceΕ4 carriersAnalysis of covarianceFunctioning
2012
P3‐406: PET imaging of amyloid burden and cognitive assessment for the reliable discrimination between healthy aging, subjective memory impairment and mild cognitive impairment
Snyder P, Darby D, Lim Y, Fredrickson A, Pietrzak R, Rowe C, Villemagne V, Maruff P. P3‐406: PET imaging of amyloid burden and cognitive assessment for the reliable discrimination between healthy aging, subjective memory impairment and mild cognitive impairment. Alzheimer's & Dementia 2012, 8: p598-p598. DOI: 10.1016/j.jalz.2012.05.2080.Peer-Reviewed Original Research