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Original

Transition to psychosis: 6-month follow-up of a Chinese high-risk group in Hong Kong

, &
Pages 414-420 | Received 12 Jun 2005, Accepted 09 Nov 2005, Published online: 17 Aug 2009

References

  • Heinssen R K, Perkins D O, Appelbaum P S, Fenton W S. Informed consent in early psychosis research: national institute of mental health workshop, November 15, 2000. Schizophrenia Bulletin 2001; 27: 571–584
  • McGlashan T H. Early detection and intervention of schizophrenia: rationale and research. British Journal of Psychiatry 1998; 172: 3–6
  • McGlashan T H. Psychosis treatment prior to psychosis onset: ethical issues. Schizophrenia Research 2001; 51: 47–54
  • McGlashan T H, Miller T J, Woods S W. Pre-onset detection and intervention research in schizophrenia psychosis: current estimates of benefit and risk. Schizophrenia Bulletin 2001; 27: 563–570
  • McGorry P D. The scope for preventive strategies in early psychosis: logic, evidence and momentum. Early intervention in psychosis: a guide to concepts, evidence and interventions, M Birchwood, D Fowler, C Jackson. Wiley, Chichester 2000; 3–27
  • Larsen T K, Friis S, Haahr U, et al. Early detection and intervention in first-episode schizophrenia: a critical review. Acta Psychiatrica Scandinavica 2001; 103: 323–334
  • Malla A K, Norman R MG. Early intervention in schizophrenia and related disorders: advantages and pitfalls. Current Opinion in Psychiatry 2002; 15: 17–23
  • Verdoux H, Cougnard A. The early detection and treatment controversy in schizophrenia research. Current Opinion in Psychiatry 2003; 16: 175–179
  • McGorry P D, McKenzie D, Jackson H J, Waddell F, Curry C. Can we improve the diagnostic efficiency and predictive power of prodromal symptoms for schizophrenia?. Schizophrenia Research 2000; 42: 91–100
  • McGorry P D, Yung A R, Phillips L J. Ethics and early intervention in psychosis: keeping up the pace and staying in step. Schizophrenia Research 2001; 51: 17–29
  • Corcoran C, Malaspina D, Hercher L. Prodromal interventions for schizophrenia vulnerability: the risks of being ‘at risk’. Schizophrenia Research 2005; 73: 173–184
  • Yung A R, McGorry P D. The initial prodrome in psychosis: descriptive and qualitative aspects. Australian and New Zealand Journal of Psychiatry 1996; 30: 587–599
  • Hafner H, Loffler W, Maurer K, Hambrecht M, Der Heiden W. Depression, negative symptoms, social stagnation and social decline in the early course of schizophrenia. Acta Psychiatrica Scandinavica 1999; 100: 105–118
  • Larsen T K, McGlashan T H, Moe L C. First-episode schizophrenia: I. Early course parameters. Schizophrenia Bulletin 1996; 22: 241–256
  • Gross G. The ‘basic’ symptoms of schizophrenia. British Journal of Psychiatry 1989; 155: 21–25
  • Gross G, Huber G, Klosterkotter J. Early diagnosis of schizophrenia. Neurology, Psychiatry and Brain Research 1992; 1: 17–22
  • Gross G. The onset of schizophrenia. Schizophrenia Research 1997; 28: 187–198
  • Beiser M, Erickson D, Fleming J AE, Iacono W G. Establishing the onset of psychotic illness. American Journal of Psychiatry 1993; 150: 1349–1355
  • Hafner H, Maurer K. The prodromal phase of psychosis. Early intervention in psychotic disorders, T Miller, S A Mednick, T H McGlashan, J Libiger, J O Johannessen. Kluwer Academic, Dordrecht 1998; 71–100
  • Malla A K, Norman R MG. Prodromal symptoms in schizophrenia. British Journal of Psychiatry 1994; 164: 487–493
  • Parnas J. From predisposition to psychosis: progression of symptoms in schizophrenia. Acta Psychiatrica Scandinavica Supplementum 1999; 99: 20–29
  • McGorry P D, Phillips L J, Yung A R. Recognition and treatment of the pre-psychotic phase of psychotic disorders: frontier or fantasy?. Early intervention in psychotic disorders, T Miller, S A Mednick, T H McGlashan, J Libiger, J O Johannessen. Kluwer Academic, Dordrecht 2001; 101–122
  • Yung A R, McGorry P D, McFarlane C A, Jackson H J, Patton G C, Rakkar A. Monitoring and care of young people at incipient risk of psychosis. Schizophrenia Bulletin 1996; 22: 283–303
  • Yung A R, Jackson H J. The onset of psychotic disorder: clinical and research aspects. The recognition and management of early psychosis: a preventive approach, P D McGorry, H J Jackson. Cambridge University Press, Cambridge 1999; 27–50
  • Klosterkotter J, Gross G, Huber G, Wieneke A, Steinmeyer E M, Schltze-Lutter F. Evaluation of the ‘Bonn Scale for the Assessment of Basic Symptoms–BSABS’ as an instrument fir the assessment of schizophrenia proness: a review of recent findings. Neurology, Psychiatry and Brain Reasearch 1997; 5: 137–150
  • Klosterkotter J, Schultze-Lutter F, Gross G, Huber G, Steinmeyer E M. Early self-experienced neurological deficits and subsequent schizophrenic diseases: an 8-year average follow-up prospective study. Acta Psychiatrica Scandinavica 1997; 95: 396–404
  • Klosterkotter J, Hellmich M, Steinmeyer E M, Schultze-Lutter F. Diagnosing schizophrenia in the initial prodromal phase. Archives of General Psychiatry 2001; 58: 158–164
  • Yung A R, McGorry P D. The prodromal phase of first-episode psychosis: past and current conceptualizations. Schizophrenia Bulletin 1996; 22: 353–370
  • Yung A R, Phillips L J, Yuen H P, et al. Psychosis prediction: 12-month follow up of a high risk (‘prodromal’) group. Schizophrenia Research 2003; 60: 21–32
  • Yung A R, Philips L J, McGorry P D. Treating schizophrenia in the prodromal phase. A Martin Dunitz, London and New York 2004; 27–28, 127–142
  • Yung A R, Phillips L J, McGorry P D, et al. Can we predict the onset of first-episode psychosis in a high risk group?. International Clinical Psychopharmacology 1998; 13: S23–S30
  • Yung A R, Phillips L J, McGorry P D, et al. Prediction of psychosis: a step towards indicated prevention of schizophrenia. British Journal of Psychiatry 1998; 172: S14–S20
  • Yung A R, Phillips L J, Yuen H B, McGorry P D. Risk factors for psychosis in an ultra high-risk group: psychopathology and clinical features. Schizophrenia Research 2004; 67: 131–142
  • Chen E YH. Developing an early intervention service in Hong Kong. Best care in early psychosis intervention. Taylor & Francis, London 1994; 125–130
  • Kay S R, Opler L A, Lindenmager J. Reliability and validity of the Positive and Negative Syndrome Scale for schizophrenia. Psychiatry Research 1988; 23: 99–110
  • Kay S R, Opler L A, Fiszbein A. Positive and Negative Syndrome Scale (PANSS). Multi-Health Systems, New York 1992
  • American Psychiatric Association. Diagnostic and statistical manual of mental disorders. American Psychiatric Association, Washington, DC 1994
  • Goldman H H, Skodol A E, Lave T R. Revising axis V for DSMIV: a review of measures of social functioning. American Journal of Psychiatry 1992; 149: 1148–1156
  • First M B, Spitzer R L, Gibbson M, Williams J BW. Structured clinical interview for DSM-IV axis I disorders – patient edition (SCID-I/P, version 2.0). New York State Psychiatric Institute, New York 1996
  • Phillips L J, Curry C, Yung A R, Yuen H P, Adlard S, McGorry P D. Cannabis use is not associated with the development of psychosis in an ‘ultra’ high-risk group. Australia and New Zealand Journal of Psychiatry 2002; 36: 800–806
  • Robson P. Introduction to substance use disorders. New Oxford textbook of psychiatry, MG Gelder, J J Lopez-Ibor, N Andreasen. Oxford University Press, Oxford 2000; 519–522
  • Murray R M, Castle D J. Genetic and environmental risk factor for schizophrenia. New Oxford textbook of psychiatry, M G Gelder, J J Lopez-Ibor, N Andreasen. Oxford University Press, Oxford 2000; 599–605
  • Sevy S, Robinson D G, Solloway S, et al. Correlates of substance misuse in patients with first-episode schizophrenia and schizoaffective disorder. Acta Psychiatrica Scandinavica 2001; 104: 374–376
  • Lau J TF. The 2000 survey of drug use among students: executive report. Government of Hong Kong SAR, Hong Kong SAR 2000
  • Hafner H, Maurer K, Loffler W, Riecher-Rossler A. The influence of age and sex on the onset and early course of schizophrenia. British Journal of Psychiatry 1993; 162: 80–86
  • Kablinger A S, Freeman A M. Prodromal schizophrenia and atypical antipsychotic treatment. Journal of Nervous and Mental Disease 2000; 188: 642–652
  • Maurer M, Hafner H. Methodological aspects of onset assessment in schizophrenia. Schizophrenia Research 1995; 15: 265–276
  • Strakowski S M, Keck P E, McElroy S L, Jr, Lonczak H S, West S A. Chronology of comorbid and principal syndromes in firstepisode psychosis. Comprehensive Psychiatry 1995; 36: 106–112
  • McClellan J, Werry J. Practice parameter for the assessment and treatment of children and adolescents with schizophrenia. Journal of the American Academy of Child and Adolescent Psychiatry 2001; 40: S4–S23
  • Poulton R, Caspi A, Moffitt T E, Cannon M, Murray R, Harrington H. Children's self reported psychotic symptoms and adult schizophreniform disorder: a 15 year longitudinal study. Archives of General Psychiatry 2000; 57: 1053–1058
  • McClellan J, Breiger D, McCurry C, Hlastala S A. Premorbid functioning in early-onset psychotic disorders. Journal of the American Academy of Child and Adolescent Psychiatry 2003; 42: 666–672
  • Davies N, Russell A, Jones P, Murray R M. Which characteristics of schizophrenia predate psychosis?. Journal of Psychiatric Research 1998; 32: 121–131
  • Lewis G, David A S, Malmberg A, Allebeck P. Non-psychotic psychiatric disorder and subsequent risk of schizophrenia: cohort study. British Journal of Psychiatry 2000; 177: 416–420

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