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Recurrent acute and transient psychotic disorder: A pilot study.
1Department of Psychiatry, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Dhanvantari Nagar, Pondicherry 605 006, India.
Asian Journal of Psychiatry
|March 25, 2015
Summary
Acute and transient psychotic disorder (ATPD) often recurs, with later onset linked to more frequent episodes. While relapses are common, their frequency doesn't significantly increase over time.
Area of Science:
- Psychiatry
- Clinical Psychology
Background:
- Acute and transient psychotic disorder (ATPD) is characterized by recurrent episodes in 35-45% of cases.
- The long-term course and relapse predictors for ATPD remain largely unclear.
Purpose of the Study:
- To investigate the recurrence patterns and associated factors in patients diagnosed with ATPD.
- To understand the frequency, timing, and predictors of relapses in ATPD.
Main Methods:
- A retrospective review of 20 patients diagnosed with ICD-10 ATPD (F23.x) with at least two episodes.
- Data collection included interviews and case record reviews focusing on relapse history and associated factors.
- Analysis of episode frequency, inter-episode intervals, and potential predictors like age at onset and stress-related triggers.
Main Results:
- The mean episode frequency was 0.7 episodes per year.
- Relapse within two years of the first episode and a later age at onset were significantly associated with higher episode frequency.
- Recurrence rates were 30% after the second episode and 50% after the third, with a non-significant trend for decreasing inter-episode intervals.
Conclusions:
- ATPD is a recurrent condition, but episode frequency does not significantly increase over time.
- A later age at onset may indicate greater illness severity in ATPD.
- Stress-related onset may predict stress-related relapses, and diagnostic subtypes appear stable; further prospective research is needed.
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