2018
Suicidal ideation and behavior in US veterans with schizophrenia or bipolar disorder
Harvey PD, Posner K, Rajeevan N, Yershova KV, Aslan M, Concato J. Suicidal ideation and behavior in US veterans with schizophrenia or bipolar disorder. Journal Of Psychiatric Research 2018, 102: 216-222. PMID: 29698922, DOI: 10.1016/j.jpsychires.2018.04.014.Peer-Reviewed Original ResearchMeSH KeywordsAgedBipolar DisorderComorbidityFemaleHumansMaleMiddle AgedPsychiatric Status Rating ScalesSchizophreniaSchizophrenic PsychologySex FactorsSuicidal IdeationSuicide, AttemptedUnited StatesVeteransConceptsSevere mental illnessSuicidal ideationPsychiatric comorbidityUS veteransHigh riskVeteran populationGreater clinical focusPopulation of patientsVeterans Affairs studyMultiple psychiatric comorbiditiesStudy of veteransLifetime suicidal ideationHigh suicide riskDemographic factorsBetter risk predictionMajority of veteransClinical factorsFunctional statusLifetime riskRisk factorsMajor depressionMultinomial logistic regressionLower riskSCZ patientsClinical attributes
1999
[123I]Iomazenil SPECT benzodiazepine receptor imaging in schizophrenia
Verhoeff N, Soares J, D’Souza C, Gil R, Degen K, Abi-Dargham A, Zoghbi S, Fujita M, Rajeevan N, Seibyl J, Krystal J, van Dyck C, Charney D, Innis R. [123I]Iomazenil SPECT benzodiazepine receptor imaging in schizophrenia. Psychiatry Research 1999, 91: 163-173. PMID: 10641580, DOI: 10.1016/s0925-4927(99)00027-x.Peer-Reviewed Original ResearchConceptsDuration of illnessHealthy control subjectsControl subjectsGamma-aminobutyric acidLeft precentral gyrusSuperior occipital gyrusPANSS scoresPrecentral gyrusOccipital gyrusSignificant differencesTotal brain uptakeNon-smoking patientsGray matter atrophyConstant infusion paradigmPathophysiology of schizophreniaCortical brain regionsSingle photon emissionTypical antipsychoticsAtypical antipsychoticsCigarette smokingInhibitory neurotransmissionBrain uptakeInfusion paradigmMatter atrophyPostmortem studies