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Persistent psychoses in first episode patients.
Rahul Manchanda1, Ross M G Norman, Ashok K Malla
1Prevention and Early Intervention Program for Psychoses (PEPP), London Health Sciences Centre, 392 South Street, London, Ontario, Canada N6A 4G5. maryallen.amaral@lhsc.on.ca
Schizophrenia Research
|September 21, 2005
Summary
Patients with schizophrenia spectrum disorder experiencing persistent psychosis were more likely to be single, male, abuse drugs, and have abnormal EEG findings at treatment initiation. These factors did not predict outcomes based on illness duration.
Area of Science:
- Psychiatry
- Neuroscience
- Clinical Psychology
Background:
- Schizophrenia spectrum disorder affects a significant portion of the population.
- Persistent psychosis is a challenge in schizophrenia treatment, impacting 15% of patients for up to two years.
- Understanding factors associated with persistent psychosis is crucial for improving treatment strategies.
Purpose of the Study:
- To identify characteristics differentiating patients with persistent psychosis from those achieving full recovery in schizophrenia spectrum disorder.
- To compare patient demographics, substance abuse history, and neurological findings between persistent psychosis and recovery groups.
Main Methods:
- Comparative analysis of patient characteristics.
- Longitudinal assessment of symptom recovery over two years.
- Statistical comparison of demographic, substance use, and EEG data.
Main Results:
- Patients with persistent psychosis (15%) were significantly more likely to be single, male, have a history of drug abuse, and present with abnormal EEG findings compared to recovered patients (42%).
- Duration of untreated psychosis or illness did not significantly differentiate between the persistent psychosis and recovery groups.
Conclusions:
- Specific baseline characteristics, including social status, sex, substance abuse, and EEG abnormalities, are associated with persistent psychosis in schizophrenia spectrum disorder.
- These findings may aid in early identification and targeted interventions for patients at risk of poor treatment outcomes.