2018
Clinically Significant Change in Posttraumatic Stress Disorder Symptoms Is Associated With Lower Levels of Aggression After Residential Treatment Discharge
Watkins LE, Sippel LM, Pietrzak RH, Hoff R, Harpaz‐Rotem I. Clinically Significant Change in Posttraumatic Stress Disorder Symptoms Is Associated With Lower Levels of Aggression After Residential Treatment Discharge. Journal Of Traumatic Stress 2018, 31: 265-272. PMID: 29603388, DOI: 10.1002/jts.22275.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderPTSD symptomsPTSD changeResidential treatmentPosttraumatic stress disorder (PTSD) symptomsLess aggressionPTSD symptom changePTSD symptom reductionCurrent studyDisorder symptomsStress disorderContextual effectsSymptom reductionSymptom changeAggressionMultilevel modelsPrevious researchTreatment dischargeLow levelsVeterans Health Administration sitesVeteransSignificant changesTreatment sitesFindingsSymptoms
2017
Differential predictive value of PTSD symptom clusters for mental health care among Iraq and Afghanistan veterans following PTSD diagnosis
Smith NB, Tsai J, Pietrzak RH, Cook JM, Hoff R, Harpaz-Rotem I. Differential predictive value of PTSD symptom clusters for mental health care among Iraq and Afghanistan veterans following PTSD diagnosis. Psychiatry Research 2017, 256: 32-39. PMID: 28622572, DOI: 10.1016/j.psychres.2017.06.005.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderAfghanistan veteransPTSD symptom clustersNational VA administrative dataVeterans AffairsSymptom clustersMental health service utilizationTreatment-related variablesHealth service utilizationVA administrative dataSelection of treatmentMental health carePTSD symptom cluster severitySymptom cluster severityTrauma-exposed veteransInitial diagnosisClinical variablesPsychotherapy visitsAdequate doseService utilizationDifferential predictive valueLarge cohortCombination treatmentPsychotherapy initiationTreatment approaches
2015
Amygdala-Hippocampal Volume and the Phenotypic Heterogeneity of Posttraumatic Stress Disorder: A Cross-Sectional Study
Pietrzak RH, Averill LA, Abdallah CG, Neumeister A, Krystal JH, Levy I, Harpaz-Rotem I. Amygdala-Hippocampal Volume and the Phenotypic Heterogeneity of Posttraumatic Stress Disorder: A Cross-Sectional Study. JAMA Psychiatry 2015, 72: 396-398. PMID: 25692480, PMCID: PMC5134909, DOI: 10.1001/jamapsychiatry.2014.2470.Peer-Reviewed Original Research
2014
Functional significance of a novel 7-factor model of DSM-5 PTSD symptoms: Results from the National Health and Resilience in Veterans Study
Pietrzak RH, Tsai J, Armour C, Mota N, Harpaz-Rotem I, Southwick SM. Functional significance of a novel 7-factor model of DSM-5 PTSD symptoms: Results from the National Health and Resilience in Veterans Study. Journal Of Affective Disorders 2014, 174: 522-526. PMID: 25556669, DOI: 10.1016/j.jad.2014.12.007.Peer-Reviewed Original ResearchConceptsQuality of lifePosttraumatic stress disorderDSM-5 PTSD symptomsPTSD symptomsNational HealthU.S. veteransSuicidal ideationVeterans StudySymptom clustersDysphoric arousal symptomsCross-sectional designFunctional outcomePsychiatric comorbidityClinical significancePTSD symptom clustersCurrent depressionDSM-5 PTSD symptom clustersPTSD phenotypeMental disordersSymptomsComorbid psychopathologyStress disorderFunctional correlatesStatistical ManualTreatment efforts