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Reappraising the long-term course and outcome of psychotic disorders: the AESOP-10 study

  • C. Morgan (a1) (a2), J. Lappin (a2) (a3), M. Heslin (a4), K. Donoghue (a5), B. Lomas (a6), U. Reininghaus (a1), A. Onyejiaka (a1), T. Croudace (a7), P. B. Jones (a8), R. M. Murray (a2) (a3), P. Fearon (a9), G. A. Doody (a6) and P. Dazzan (a2) (a3)...

Abstract

Background

Studies of the long-term course and outcome of psychoses tend to focus on cohorts of prevalent cases. Such studies bias samples towards those with poor outcomes, which may distort our understanding of prognosis. Long-term follow-up studies of epidemiologically robust first-episode samples are rare.

Method

AESOP-10 is a 10-year follow-up study of 557 individuals with a first episode of psychosis initially identified in two areas in the UK (South East London and Nottingham). Detailed information was collated on course and outcome in three domains (clinical, social and service use) from case records, informants and follow-up interviews.

Results

At follow-up, of 532 incident cases identified, at baseline 37 (7%) had died, 29 (6%) had emigrated and eight (2%) were excluded. Of the remaining 458, 412 (90%) were traced and some information on follow-up was collated for 387 (85%). Most cases (265, 77%) experienced at least one period of sustained remission; at follow-up, 141 (46%) had been symptom free for at least 2 years. A majority (208, 72%) of cases had been employed for less than 25% of the follow-up period. The median number of hospital admissions, including at first presentation, was 2 [interquartile range (IQR) 1–4]; a majority (299, 88%) were admitted a least once and a minority (21, 6%) had 10 or more admissions. Overall, outcomes were worse for those with a non-affective diagnosis, for men and for those from South East London.

Conclusions

Sustained periods of symptom remission are usual following first presentation to mental health services for psychosis, including for those with a non-affective disorder; almost half recover.

Copyright

Corresponding author

* Address for correspondence: Dr C. Morgan, Centre for Epidemiology and Public Health, Health Service and Population Research Department, Institute of Psychiatry, King's College London, Box P063, De Crespigny Park, London SE5 8AF, UK. (Email: craig.morgan@kcl.ac.uk)

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