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Over onsWaar vindt u onsdr. S. (Sjoerd) Sytema
University Medical Center Groningen

dr. S. Sytema

Programmaleider Routine Outcome and Quality Assesment (RoQUA); senior onderzoeker Rob Giel Onderzoekcentrum

Study: sociology, specialized in methodology

PhD thesis 1994

Publications (2000-2013):

1: Emerencia A, van der Krieke L, Sytema S, Petkov N, Aiello M. Generating
personalized advice for schizophrenia patients. Artif Intell Med. 2013 Feb 15.
doi:pii: S0933-3657(13)00004-3. 10.1016/j.artmed.2013.01.002. [Epub ahead of
print] PubMed PMID: 23419698.

2: de Bildt A, Oosterling IJ, van Lang ND, Kuijper S, Dekker V, Sytema S,
Oerlemans AM, van Steijn DJ, Visser JC, Rommelse NN, Minderaa RB, van Engeland H,
van der Gaag RJ, Buitelaar JK, de Jonge MV. How to Use the ADI-R for Classifying
Autism Spectrum Disorders? Psychometric Properties of Criteria from the
Literature in 1,204 Dutch Children. J Autism Dev Disord. 2013 Feb 9. [Epub ahead
of print] PubMed PMID: 23397166.

3: de Heer-Wunderink C, Visser E, Caro-Nienhuis AD, van Weeghel J, Sytema S,
Wiersma D. Treatment plans in psychiatric community housing programs: do they
reflect rehabilitation principles? Psychiatr Rehabil J. 2012 Dec;35(6):454-9.
doi: 10.1037/h0094579. PubMed PMID: 23276239.

4: Boonstra N, Klaassen R, Sytema S, Marshall M, De Haan L, Wunderink L, Wiersma
D. Duration of untreated psychosis and negative symptoms--a systematic review and
meta-analysis of individual patient data. Schizophr Res. 2012 Dec;142(1-3):12-9.
doi: 10.1016/j.schres.2012.08.017. Epub 2012 Sep 29. PubMed PMID: 23025994.

5: De Heer-Wunderink C, Visser E, Sytema S, Wiersma D. Social inclusion of people
with severe mental illness living in community housing programs. Psychiatr Serv.
2012 Nov;63(11):1102-7. doi: 10.1176/ PubMed PMID: 22948812.

6: Drukker M, Joore M, van Os J, Sytema S, Driessen G, Bak M, Delespaul P. The
use of a Cumulative Needs for Care Monitor for individual treatment v. care as
usual for patients diagnosed with severe mental illness, a cost-effectiveness
analysis from the health care perspective. Epidemiol Psychiatr Sci. 2012
Dec;21(4):381-92. doi: 10.1017/S2045796012000248. Epub 2012 May 22. PubMed PMID:

7: Quee PJ, Wiersma D, Sytema S, Bruggeman R. Cognitive adaptation training
combined with assertive community treatment: a randomised longitudinal trial--a
comment. Schizophr Res. 2012 Sep;140(1-3):264-5. doi:
10.1016/j.schres.2012.06.015. Epub 2012 Jun 30. PubMed PMID: 22749954.

8: Termorshuizen F, Wierdsma AI, Visser E, Drukker M, Sytema S, Laan W, Smeets
HM, Selten JP. Psychosis and suicide risk by ethnic origin and history of
migration in the Netherlands. Schizophr Res. 2012 Jul;138(2-3):268-73. doi:
10.1016/j.schres.2012.03.035. Epub 2012 Apr 21. PubMed PMID: 22521494.

9: van der Krieke L, Emerencia AC, Aiello M, Sytema S. Usability evaluation of a
web-based support system for people with a schizophrenia diagnosis. J Med
Internet Res. 2012 Feb 6;14(1):e24. doi: 10.2196/jmir.1921. PubMed PMID:
22311883; PubMed Central PMCID: PMC3374538.

10: Drukker M, van Os J, Sytema S, Driessen G, Visser E, Delespaul P. Function
assertive community treatment (FACT) and psychiatric service use in patients
diagnosed with severe mental illness. Epidemiol Psychiatr Sci. 2011
Sep;20(3):273-8. PubMed PMID: 21922970.

11: van der Krieke L, Emerencia AC, Sytema S. An online portal on outcomes for
Dutch service users. Psychiatr Serv. 2011 Jul;62(7):803. doi:
10.1176/ PubMed PMID: 21724797.

12: Conradi HJ, De Jonge P, Neeleman A, Simons P, Sytema S. Partner attachment as
a predictor of long-term response to treatment with couples therapy. J Sex
Marital Ther. 2011;37(4):286-97. doi: 10.1080/0092623X.2011.582435. PubMed PMID:

13: Boonstra N, Sterk B, Wunderink L, Sytema S, De Haan L, Wiersma D. Association
of treatment delay, migration and urbanicity in psychosis. Eur Psychiatry. 2012
Oct;27(7):500-5. doi: 10.1016/j.eurpsy.2011.05.001. Epub 2011 Jun 25. PubMed
PMID: 21705200.

14: van der Krieke L, Sytema S, Wiersma D, Tielen H, van Hemert AM. Evaluating
the CANSAS self-report (CANSAS-P) as a screening instrument for care needs in
people with psychotic and affective disorders. Psychiatry Res. 2011 Aug
15;188(3):456-8. doi: 10.1016/j.psychres.2011.05.013. Epub 2011 May 31. PubMed
PMID: 21624684.

15: Drukker M, van Os J, Dietvorst M, Sytema S, Driessen G, Delespaul P. Does
monitoring need for care in patients diagnosed with severe mental illness impact
on Psychiatric Service Use? Comparison of monitored patients with matched
controls. BMC Psychiatry. 2011 Mar 21;11:45. doi: 10.1186/1471-244X-11-45. PubMed
PMID: 21418623; PubMed Central PMCID: PMC3070633.

16: de Heer-Wunderink C, Visser E, Caro-Nienhuis A, Sytema S, Wiersma D.
Supported housing and supported independent living in the Netherlands, with a
comparison with England. Community Ment Health J. 2012 Jun;48(3):321-7. doi:
10.1007/s10597-011-9381-1. Epub 2011 Jan 19. PubMed PMID: 21246274; PubMed
Central PMCID: PMC3371186.

17: de Bildt A, Oosterling IJ, van Lang ND, Sytema S, Minderaa RB, van Engeland
H, Roos S, Buitelaar JK, van der Gaag RJ, de Jonge MV. Standardized ADOS scores:
measuring severity of autism spectrum disorders in a Dutch sample. J Autism Dev
Disord. 2011 Mar;41(3):311-9. doi: 10.1007/s10803-010-1057-0. PubMed PMID:
20617374; PubMed Central PMCID: PMC3040310.

18: Boonstra N, Wunderink L, Sytema S, Wiersma D. Improving detection of
first-episode psychosis by mental health-care services using a self-report
questionnaire. Early Interv Psychiatry. 2009 Nov;3(4):289-95. doi:
10.1111/j.1751-7893.2009.00147.x. PubMed PMID: 22642732.

19: van den Hoofdakker BJ, Nauta MH, van der Veen-Mulders L, Sytema S, Emmelkamp
PM, Minderaa RB, Hoekstra PJ. Behavioral parent training as an adjunct to routine
care in children with attention-deficit/hyperactivity disorder: moderators of
treatment response. J Pediatr Psychol. 2010 Apr;35(3):317-26. doi:
10.1093/jpepsy/jsp060. Epub 2009 Jul 24. PubMed PMID: 19633060.

20: de Bildt A, Sytema S, van Lang ND, Minderaa RB, van Engeland H, de Jonge MV.
Evaluation of the ADOS revised algorithm: the applicability in 558 Dutch children
and adolescents. J Autism Dev Disord. 2009 Sep;39(9):1350-8. doi:
10.1007/s10803-009-0749-9. Epub 2009 May 19. PubMed PMID: 19452268; PubMed
Central PMCID: PMC2727366.

21: Wierdsma A, Mulder C, de Vries S, Sytema S. Reconstructing continuity of care
in mental health services: a multilevel conceptual framework. J Health Serv Res
Policy. 2009 Jan;14(1):52-7. doi: 10.1258/jhsrp.2008.008039. Review. PubMed PMID:

22: Boonstra N, Wunderink L, Sytema S, Wiersma D. Detection of psychosis by
mental health care services; a naturalistic cohort study. Clin Pract Epidemiol
Ment Health. 2008 Dec 16;4:29. doi: 10.1186/1745-0179-4-29. PubMed PMID:
19087302; PubMed Central PMCID: PMC2614988.

23: Wunderink L, Sytema S, Nienhuis FJ, Wiersma D. Clinical recovery in
first-episode psychosis. Schizophr Bull. 2009 Mar;35(2):362-9. doi:
10.1093/schbul/sbn143. Epub 2008 Nov 5. PubMed PMID: 18990715; PubMed Central
PMCID: PMC2659307.

24: Jenner JA, Rutten S, Beuckens J, Boonstra N, Sytema S. Positive and useful
auditory vocal hallucinations: prevalence, characteristics, attributions, and
implications for treatment. Acta Psychiatr Scand. 2008 Sep;118(3):238-45. doi:
10.1111/j.1600-0447.2008.01226.x. Epub 2008 Jul 10. PubMed PMID: 18636994.

25: de Heer-Wunderink C, Caro-Nienhuis AD, Sytema S, Wiersma D. Residential care:
Dutch and Italian residents of residential care facilities compared. Epidemiol
Psichiatr Soc. 2008 Apr-Jun;17(2):162-5. PubMed PMID: 18589633.

26: Wierdsma AI, Sytema S, van Os JJ, Mulder CL. Case registers in psychiatry: do
they still have a role for research and service monitoring? Curr Opin Psychiatry.
2008 Jul;21(4):379-84. doi: 10.1097/YCO.0b013e328304d99b. Review. PubMed PMID:

27: van den Hoofdakker BJ, van der Veen-Mulders L, Sytema S, Emmelkamp PM,
Minderaa RB, Nauta MH. Effectiveness of behavioral parent training for children
with ADHD in routine clinical practice: a randomized controlled study. J Am Acad
Child Adolesc Psychiatry. 2007 Oct;46(10):1263-71. PubMed PMID: 17885567.

28: Sytema S, Wunderink L, Bloemers W, Roorda L, Wiersma D. Assertive community
treatment in the Netherlands: a randomized controlled trial. Acta Psychiatr
Scand. 2007 Aug;116(2):105-12. PubMed PMID: 17650271.

29: Wunderink L, Nienhuis FJ, Sytema S, Slooff CJ, Knegtering R, Wiersma D.
Guided discontinuation versus maintenance treatment in remitted first-episode
psychosis: relapse rates and functional outcome. J Clin Psychiatry. 2007
May;68(5):654-61. PubMed PMID: 17503973.

30: Wunderink L, Nienhuis FJ, Sytema S, Wiersma D. Predictive validity of
proposed remission criteria in first-episode schizophrenic patients responding to
antipsychotics. Schizophr Bull. 2007 May;33(3):792-6. Epub 2006 Aug 7. PubMed
PMID: 16894026; PubMed Central PMCID: PMC2526146.

31: Wunderink A, Nienhuis FJ, Sytema S, Wiersma D. Treatment delay and response
rate in first episode psychosis. Acta Psychiatr Scand. 2006 Apr;113(4):332-9.
PubMed PMID: 16638078.

32: van Lang ND, Boomsma A, Sytema S, de Bildt AA, Kraijer DW, Ketelaars C,
Minderaa RB. Structural equation analysis of a hypothesised symptom model in the
autism spectrum. J Child Psychol Psychiatry. 2006 Jan;47(1):37-44. PubMed PMID:

33: de Bildt A, Sytema S, Kraijer D, Sparrow S, Minderaa R. Adaptive functioning
and behaviour problems in relation to level of education in children and
adolescents with intellectual disability. J Intellect Disabil Res. 2005 Sep;49(Pt
9):672-81. PubMed PMID: 16108984.

34: van Lang ND, Bouma A, Sytema S, Kraijer DW, Minderaa RB. A comparison of
central coherence skills between adolescents with an intellectual disability with
and without comorbid autism spectrum disorder. Res Dev Disabil. 2006
Mar-Apr;27(2):217-26. Epub 2005 Jul 7. PubMed PMID: 16005604.

35: de Bildt A, Serra M, Luteijn E, Kraijer D, Sytema S, Minderaa R. Social
skills in children with intellectual disabilities with and without autism. J
Intellect Disabil Res. 2005 May;49(Pt 5):317-28. PubMed PMID: 15817049.

36: de Bildt A, Kraijer D, Sytema S, Minderaa R. The psychometric properties of
the Vineland Adaptive Behavior Scales in children and adolescents with mental
retardation. J Autism Dev Disord. 2005 Feb;35(1):53-62. PubMed PMID: 15796122.

37: de Bildt A, Sytema S, Kraijer D, Minderaa R. Prevalence of pervasive
developmental disorders in children and adolescents with mental retardation. J
Child Psychol Psychiatry. 2005 Mar;46(3):275-86. Review. PubMed PMID: 15755304.

38: de Bildt A, Sytema S, Ketelaars C, Kraijer D, Mulder E, Volkmar F, Minderaa
R. 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 mental retardation. J Autism Dev Disord. 2004 Apr;34(2):129-37.
PubMed PMID: 15162932.

39: Pijl YJ, Sytema S. The effect of deinstitutionalization on the longitudinal
continuity of mental health care in the Netherlands. Soc Psychiatry Psychiatr
Epidemiol. 2004 Mar;39(3):244-8. PubMed PMID: 14999458.

40: de Bildt A, Sytema S, Ketelaars C, Kraijer D, Volkmar F, Minderaa R.
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. J Autism Dev
Disord. 2003 Dec;33(6):595-605. PubMed PMID: 14714929.

41: Pijl YJ, Sytema S. The identification of trends in the utilisation of mental
health services by elderly: a Dutch case register study. Int J Geriatr
Psychiatry. 2003 May;18(5):373-80. PubMed PMID: 12766911.

42: Sytema S, Burgess P, Tansella M. 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. Schizophr Bull. 2002;28(2):273-81. PubMed
PMID: 12693433.

43: Pijl YJ, Sytema S, Barels R, Wiersma D. Costs of deinstitutionalization in a
rural catchment area in The Netherlands. Psychol Med. 2002 Nov;32(8):1435-43.
PubMed PMID: 12455942.

44: Neeleman J, Sytema S, Wadsworth M. Propensity to psychiatric and somatic
ill-health: evidence from a birth cohort. Psychol Med. 2002 Jul;32(5):793-803.
PubMed PMID: 12171374.

45: Oiesvold T, Saarento O, Sytema S, Vinding H, Göstas G, Lönnerberg O, Muus S,
Sandlund M, Hansson L. Predictors for readmission risk of new patients: the
Nordic Comparative Study on Sectorized Psychiatry. Acta Psychiatr Scand. 2000
May;101(5):367-73. PubMed PMID: 10823296.

Laatst gewijzigd:16 april 2013 11:20