2024
Unraveling PTSD: Symptom Cluster Change During and 1 Year After Veterans’ Residential PTSD Treatment
Gross G, Spiller T, Ben-Zion Z, Rubenstein A, Pietrzak R, Duek O, Hoff R, Harpaz-Rotem I. Unraveling PTSD: Symptom Cluster Change During and 1 Year After Veterans’ Residential PTSD Treatment. Psychological Trauma Theory Research Practice And Policy 2024 PMID: 38990694, DOI: 10.1037/tra0001734.Peer-Reviewed Original ResearchPosttraumatic stress disorderPosttraumatic stress disorder symptom clustersPosttraumatic stress disorder clustersSymptom clustersIntrusive symptomsResidential treatmentTreatment of posttraumatic stress disorderPosttraumatic stress disorder symptomsResidential PTSD treatmentPTSD symptom clustersNovel treatment interventionsDifferential treatment responseReduce symptom severityDifferential patterns of changeAvoidance symptomsPTSD treatmentTreatment gainsStress disorderVeterans AffairsSymptom severityCluster CTreatment interventionsCluster BIndividual symptomsCohort of veterans
2023
The Functional Significance of a Novel Conceptualization of Intrusion Symptoms of PTSD
Spiller T, Gross G, Duek O, Pietrzak R, Harpaz-Rotem I. The Functional Significance of a Novel Conceptualization of Intrusion Symptoms of PTSD. European Psychiatry 2023, 66: s476-s477. PMCID: PMC10434546, DOI: 10.1192/j.eurpsy.2023.1020.Peer-Reviewed Original ResearchPosttraumatic stress disorderIntrusion symptomsResidential treatment programEmotional functioningFactors of PTSDSymptoms of PTSDSymptom clustersDistinct underlying processesDisclosure of interestSelf-report formCore defining featuresStructural equation modellingPhysical functioningGood model fitStress disorderPTSD ChecklistIntrusion factorCorresponding subscalesPreliminary empirical evidenceInitial supportDSM-5Equation modellingTreatment programSuperior fitBiological underpinnings
2022
Risk for PTSD symptom worsening during new PTSD treatment episode in a nationally representative sample of treatment-seeking U.S. veterans with subthreshold PTSD
Gross GM, Pietrzak RH, Hoff RA, Katz IR, Harpaz-Rotem I. Risk for PTSD symptom worsening during new PTSD treatment episode in a nationally representative sample of treatment-seeking U.S. veterans with subthreshold PTSD. Journal Of Psychiatric Research 2022, 151: 304-310. PMID: 35526446, DOI: 10.1016/j.jpsychires.2022.04.040.Peer-Reviewed Original ResearchConceptsSymptom worseningRisk factorsSubthreshold PTSDPTSD symptom clustersSymptom clustersPTSD symptomsHealth care utilizationPTSD specialty clinicPoor treatment outcomesUnited States veteransBinary logistic regressionAdjusted analysisCare utilizationTreatment episodesRepresentative sampleSpecialty clinicSignificant symptomsTreatment outcomesSignificant worseningStates veteransSubthreshold symptomsEligible veteransNew episodesOutcome assessmentDiagnostic threshold