2023
Evaluation of Birth Weight and Neurodevelopmental Conditions Among Monozygotic and Dizygotic Twins
Isaksson J, Ruchkin V, Ljungström T, Bölte S. Evaluation of Birth Weight and Neurodevelopmental Conditions Among Monozygotic and Dizygotic Twins. JAMA Network Open 2023, 6: e2321165. PMID: 37389871, PMCID: PMC10314302, DOI: 10.1001/jamanetworkopen.2023.21165.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultBirth WeightCase-Control StudiesChildFemaleHumansIntellectual DisabilityMaleRisk FactorsTwins, DizygoticYoung AdultConceptsAttention-deficit/hyperactivity disorderLow birth weightBirth weightHigh birth weightLower oddsNeurodevelopmental conditionsIntellectual disabilityFetal growth restrictionCase-control studyMonozygotic twinsDizygotic twinsTwin pairsMedian ageGrowth restrictionMAIN OUTCOMEGenetic predispositionEarly identificationCo-twin studyMonozygotic pairsDiagnostic assessmentHyperactivity disorderParticipant visitsGenetic riskADHD diagnosisDizygotic pairs
2010
Homicide in discharged patients with schizophrenia and other psychoses: A national case-control study
Fazel S, Buxrud P, Ruchkin V, Grann M. Homicide in discharged patients with schizophrenia and other psychoses: A national case-control study. Schizophrenia Research 2010, 123: 263-269. PMID: 20805021, DOI: 10.1016/j.schres.2010.08.019.Peer-Reviewed Original ResearchMeSH KeywordsAdultCase-Control StudiesDepressionDiagnostic and Statistical Manual of Mental DisordersFemaleHomicideHumansMedication AdherenceMiddle AgedPatient DischargePsychotic DisordersReproducibility of ResultsRisk FactorsSchizophreniaSchizophrenic PsychologySelf CareSubstance-Related DisordersSwedenViolenceConceptsSubstance misuseNational case-control studyEvidence of medicationMonths of dischargeCase-control studySevere mental illnessPresence of delusionsHospital dischargeClinical factorsInpatient characteristicsTreatment complianceTreatable factorsCare factorsMedical recordsUnivariate analysisViolence risk assessmentClinical utilityTherapeutic interventionsMental illnessPatientsPsychosisSame time periodSchizophreniaAdmissionMonths
2003
Suicidal Behavior and Violence in Male Adolescents: A School-Based Study
VERMEIREN R, SCHWAB-STONE M, RUCHKIN V, KING RA, VAN HEERINGEN C, DEBOUTTE D. Suicidal Behavior and Violence in Male Adolescents: A School-Based Study. Journal Of The American Academy Of Child & Adolescent Psychiatry 2003, 42: 41-48. PMID: 12500075, DOI: 10.1097/00004583-200301000-00009.Peer-Reviewed Original Research
2000
Assessment of dysfunctional working models of self and others in schizophrenic patients: a summary of data collected in nine nations
Perris C, Frank N, Gusmao R, Henry L, Lundberg M, Schaub A, Simos G, Richter J, Rognoni R, Ruchkin V, Valls J, Group* I. Assessment of dysfunctional working models of self and others in schizophrenic patients: a summary of data collected in nine nations. Acta Psychiatrica Scandinavica 2000, 102: 336-341. PMID: 11098804, DOI: 10.1034/j.1600-0447.2000.102005336.x.Peer-Reviewed Original ResearchConceptsSchizophrenic patientsDysfunctional working modelsDuration of illnessNon-psychotic patientsTypes of patientsLevels of psychopathologyPatientsTreatment programCurrent psychopathologyPsychotherapeutic interventionsSelf-report instrumentNon-clinical subjectsSignificant correlationAlpha coefficientPsychopathologySummary of dataCase conceptualizationIllness
1998
Interrelations between temperament, character, and parental rearing in male delinquent adolescents in Northern Russia
Ruchkin V, Eisemann M, Hägglöf B, Cloninger C. Interrelations between temperament, character, and parental rearing in male delinquent adolescents in Northern Russia. Comprehensive Psychiatry 1998, 39: 225-230. PMID: 9675508, DOI: 10.1016/s0010-440x(98)90065-7.Peer-Reviewed Original ResearchConceptsMale delinquent adolescentsDelinquent adolescentsParental rearingHarm avoidanceParental emotional warmthParent-child relationshipParental rearing practicesParental rejectionEmotional warmthTemperament traitsCharacter dimensionsNovelty seekingCharacter InventoryPersonality dimensionsDelinquent groupOwn memoryRearing practicesCharacter developmentTemperamentInteractive natureDelinquentsHigh levelsAdolescentsNonviolent crimesAvoidance
1997
Parental rearing: a comparison between juvenile delinquents and controls in Russia.
Ruchkin V, Eisemann M, Sidorov P. Parental rearing: a comparison between juvenile delinquents and controls in Russia. International Journal Of Circumpolar Health 1997, 56: 86-9. PMID: 9332133.Peer-Reviewed Original Research