S Sytema

Summary

Affiliation: University Medical Center Groningen
Country: The Netherlands

Publications

  1. pmc Detection of psychosis by mental health care services; a naturalistic cohort study
    Nynke Boonstra
    GGZ Friesland, Research Department, Leeuwarden, The Netherlands
    Clin Pract Epidemiol Ment Health 4:29. 2008
  2. pmc Does monitoring need for care in patients diagnosed with severe mental illness impact on Psychiatric Service Use? Comparison of monitored patients with matched controls
    Marjan Drukker
    Department of Psychiatry and Psychology, School for Mental Health and NeuroScience MHeNS, Maastricht University, The Netherlands
    BMC Psychiatry 11:45. 2011
  3. ncbi request reprint [Assertive community treatment in psychiatry: less drop-out from mental health care]
    Sjoerd Sytema
    Universitair Medisch Centrum Groningen, afd Universitair Centrum Psychiatrie, Groningen, The Netherlands
    Ned Tijdschr Geneeskd 154:A1692. 2010
  4. ncbi request reprint Residential care: Dutch and Italian residents of residential care facilities compared
    Charlotte de Heer-Wunderink
    Department of Psychiatry, University Hospital Groningen, The Netherlands
    Epidemiol Psichiatr Soc 17:162-5. 2008
  5. ncbi request reprint Assertive community treatment in the Netherlands: a randomized controlled trial
    S Sytema
    Department of Psychiatry, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
    Acta Psychiatr Scand 116:105-12. 2007
  6. ncbi request reprint The effect of deinstitutionalization on the longitudinal continuity of mental health care in the Netherlands
    Y J Pijl
    Department of Psychiatry, University of Groningen, 30 001, 9700, RB Groningen, The Netherlands
    Soc Psychiatry Psychiatr Epidemiol 39:244-8. 2004
  7. pmc Clinical recovery in first-episode psychosis
    Lex Wunderink
    University Medical Center Groningen, University Psychiatric Center 5 21, University of Groningen, 9700 RB Groningen, The Netherlands
    Schizophr Bull 35:362-9. 2009
  8. doi request reprint Are sexual side effects of prolactin-raising antipsychotics reducible to serum prolactin?
    Henderikus Knegtering
    Department of Psychiatry, University Medical Center Groningen, University of Groningen, Hanzeplein 1, PO Box 30 001, 9700 RB Groningen, The Netherlands
    Psychoneuroendocrinology 33:711-7. 2008
  9. ncbi request reprint Guided discontinuation versus maintenance treatment in remitted first-episode psychosis: relapse rates and functional outcome
    Lex Wunderink
    University Medical Center Groningen, University of Groningen, Department of Psychiatry, Groningen, The Netherlands
    J Clin Psychiatry 68:654-61. 2007
  10. pmc Predictive validity of proposed remission criteria in first-episode schizophrenic patients responding to antipsychotics
    Lex Wunderink
    Department of Psychiatry, University Medical Center Groningen, University of Groningen, PO Box 30 001, 9700 R B Groningen, The Netherlands
    Schizophr Bull 33:792-6. 2007

Collaborators

Detail Information

Publications21

  1. pmc Detection of psychosis by mental health care services; a naturalistic cohort study
    Nynke Boonstra
    GGZ Friesland, Research Department, Leeuwarden, The Netherlands
    Clin Pract Epidemiol Ment Health 4:29. 2008
    ..Timely diagnosis of psychotic disorders depends on recognition of psychotic symptoms and their interpretation. The aim of this study is to examine to what extent reported psychotic symptoms are accounted for in clinical diagnosis...
  2. pmc Does monitoring need for care in patients diagnosed with severe mental illness impact on Psychiatric Service Use? Comparison of monitored patients with matched controls
    Marjan Drukker
    Department of Psychiatry and Psychology, School for Mental Health and NeuroScience MHeNS, Maastricht University, The Netherlands
    BMC Psychiatry 11:45. 2011
    ..We hypothesized that this would change care consumption patterns...
  3. ncbi request reprint [Assertive community treatment in psychiatry: less drop-out from mental health care]
    Sjoerd Sytema
    Universitair Medisch Centrum Groningen, afd Universitair Centrum Psychiatrie, Groningen, The Netherlands
    Ned Tijdschr Geneeskd 154:A1692. 2010
    ..With assertive community treatment, drop-out is averted for most patients. We consider this to be an important positive result...
  4. ncbi request reprint Residential care: Dutch and Italian residents of residential care facilities compared
    Charlotte de Heer-Wunderink
    Department of Psychiatry, University Hospital Groningen, The Netherlands
    Epidemiol Psichiatr Soc 17:162-5. 2008
    ....
  5. ncbi request reprint Assertive community treatment in the Netherlands: a randomized controlled trial
    S Sytema
    Department of Psychiatry, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
    Acta Psychiatr Scand 116:105-12. 2007
    ..Positive results of randomized trials in the USA were not replicated in the UK. The question is whether the UK findings are representative for other European countries with modern mental health services...
  6. ncbi request reprint The effect of deinstitutionalization on the longitudinal continuity of mental health care in the Netherlands
    Y J Pijl
    Department of Psychiatry, University of Groningen, 30 001, 9700, RB Groningen, The Netherlands
    Soc Psychiatry Psychiatr Epidemiol 39:244-8. 2004
    ..Deinstitutionalization has been accompanied by a decreasing continuity of care in a number of countries. This study evaluates the effects of the Dutch model for deinstitutionalizing mental health care...
  7. pmc Clinical recovery in first-episode psychosis
    Lex Wunderink
    University Medical Center Groningen, University Psychiatric Center 5 21, University of Groningen, 9700 RB Groningen, The Netherlands
    Schizophr Bull 35:362-9. 2009
    ..The aim of this study is to explore clinical recovery in first-episode patients, defined by meeting criteria for both symptomatic and functional remission...
  8. doi request reprint Are sexual side effects of prolactin-raising antipsychotics reducible to serum prolactin?
    Henderikus Knegtering
    Department of Psychiatry, University Medical Center Groningen, University of Groningen, Hanzeplein 1, PO Box 30 001, 9700 RB Groningen, The Netherlands
    Psychoneuroendocrinology 33:711-7. 2008
    ..To assess the degree to which sexual side effects (SSE) are associated with prolactin-raising antipsychotics, and to what degree such SSE are reducible to serum prolactin levels...
  9. ncbi request reprint Guided discontinuation versus maintenance treatment in remitted first-episode psychosis: relapse rates and functional outcome
    Lex Wunderink
    University Medical Center Groningen, University of Groningen, Department of Psychiatry, Groningen, The Netherlands
    J Clin Psychiatry 68:654-61. 2007
    ..To compare the consequences of a guided discontinuation strategy and maintenance treatment in remitted first-episode psychosis in terms of relapse rates and functional outcome...
  10. pmc Predictive validity of proposed remission criteria in first-episode schizophrenic patients responding to antipsychotics
    Lex Wunderink
    Department of Psychiatry, University Medical Center Groningen, University of Groningen, PO Box 30 001, 9700 R B Groningen, The Netherlands
    Schizophr Bull 33:792-6. 2007
    ..The criteria represent a practicable benchmark with clinical relevance. Their implementation should be promoted in research settings, clinical practice, and routine outcome assessment procedures...
  11. ncbi request reprint Costs of deinstitutionalization in a rural catchment area in The Netherlands
    Y J Pijl
    Department of Social Psychiatry, Faculty of Medicine, University of Groningen, The Netherlands
    Psychol Med 32:1435-43. 2002
    ..The goal of this study is to determine the effect of this policy on the allocation of mental health care resources to services...
  12. ncbi request reprint Does community care decrease length of stay and risk of rehospitalization in new patients with schizophrenia disorders? A comparative case register study in Groningen, The Netherlands; Victoria, Australia; and South-Verona, Italy
    Sjoerd Sytema
    Department of Psychiatry, University of Groningen, University Hospital Groningen, Groningen, The Netherlands
    Schizophr Bull 28:273-81. 2002
    ..The first hypothesis was confirmed. The risk of rehospitalization, however, was lower in Victoria than in the two other areas, which might show the potential impact of community care in reducing rehospitalization...
  13. doi request reprint Positive and useful auditory vocal hallucinations: prevalence, characteristics, attributions, and implications for treatment
    J A Jenner
    Department of Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
    Acta Psychiatr Scand 118:238-45. 2008
    ..The aim was to assess prevalence, impact, and course of, and attributions to, these voices in psychotic and non-psychotic patients...
  14. ncbi request reprint Treatment delay and response rate in first episode psychosis
    A Wunderink
    Department of Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
    Acta Psychiatr Scand 113:332-9. 2006
    ..There is no consistent evidence of long duration of untreated psychosis (DUP) predicting long time to response (TTR) in first psychosis. This study aims to investigate the predictors of DUP and TTR in a first episode patient population...
  15. doi request reprint Case registers in psychiatry: do they still have a role for research and service monitoring?
    André I Wierdsma
    Erasmus MC, University of Rotterdam, Department of Psychiatry, The Netherlands
    Curr Opin Psychiatry 21:379-84. 2008
    ..To follow up on reviews of case register research. Literature searches over a 2-year period were conducted to determine whether psychiatric case registers still have a role for research and service monitoring...
  16. ncbi request reprint The identification of trends in the utilisation of mental health services by elderly: a Dutch case register study
    Ysbrand J Pijl
    Department of Psychiatry, Faculty of Medicine, University of Groningen, Groningen, The Netherlands
    Int J Geriatr Psychiatry 18:373-80. 2003
    ..This study aimed at the supply of information about trends in the numbers of elderly clients, the services they used and the volume and pattern of service utilisation...
  17. ncbi request reprint Interrelationship between Autism Diagnostic Observation Schedule-Generic (ADOS-G), Autism Diagnostic Interview-Revised (ADI-R), and the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR) classification in children and adolescents with menta
    Annelies de Bildt
    Department of Psychiatry, Child and Adolescent Psychiatry, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
    J Autism Dev Disord 34:129-37. 2004
    ..The combination of ADI-R and ADOS-G identifies AD or PDD, as described in the DSM-IV-TR, most appropriately. Both instruments seem to be of great value in the diagnostic process of PDD in children and adolescents with MR...
  18. ncbi request reprint The psychometric properties of the Vineland Adaptive Behavior Scales in children and adolescents with mental retardation
    Annelies de Bildt
    Child and Adolescent Psychiatry, University of Groningen, The Netherlands
    J Autism Dev Disord 35:53-62. 2005
    ..The construct validity was high in all groups. The implications of these findings are discussed with respect to the usefulness of the Vineland for the population with MR...
  19. ncbi request reprint Measuring pervasive developmental disorders in children and adolescents with mental retardation: a comparison of two screening instruments used in a study of the total mentally retarded population from a designated area
    Annelies de Bildt
    Department of Psychiatry, University of Groningen, Groningen, The Netherlands
    J Autism Dev Disord 33:595-605. 2003
    ..Concluding, the ABC and PDD-MRS partially identify the same cases related to external criteria. In addition, each instrument has its own contribution. Both instruments are valuable in detecting children who are at high risk for PDD...
  20. pmc Evaluation of the ADOS revised algorithm: the applicability in 558 Dutch children and adolescents
    Annelies de Bildt
    Department of Child and Adolescent Psychiatry, University Medical Centre Groningen, Groningen, The Netherlands
    J Autism Dev Disord 39:1350-8. 2009
    ..For module 1, the results indicate less improvement, probably due to the low-functioning population. In most groups, the advantages of the revised algorithms are achieved without losing the strength of the original algorithm...
  21. pmc Brief report: adults with mild autism spectrum disorders (ASD): scores on the autism spectrum quotient (AQ) and comorbid psychopathology
    Cees Ketelaars
    Autism Team North Netherlands, Groningen, The Netherlands
    J Autism Dev Disord 38:176-80. 2008
    ..The results showed very few differences between ASD patients and non-ASD patients. Self-report may not differentiate mild ASD patients from non-ASD patients and Axis I and II disorders seem equally prevalent among these two groups...