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Updated: Sep 22, 2025

Implementation of a Real-Time Psychosis Risk Detection and Alerting System Based on Electronic Health Records using CogStack
Published on: May 15, 2020
[Early Detection and Intervention for Psychosis: Why and How?]
Bastian Bertulies-Esposito1, Roxanne Sicotte2, Srividya N Iyer3
1Département de psychiatrie et d'addictologie, Université de Montréal ; Centre de recherche du CHUM, Montréal ; Centre intégré universitaire de santé et de services sociaux du Centre-Sud-de-l'Île-de-Montréal.
Early detection and intervention services (EIS) for psychosis significantly improve outcomes for young people with first-episode psychosis (FEP). These services reduce treatment delays and enhance engagement, leading to better symptom management and social functioning.
Area of Science:
- Psychiatry
- Mental Health Services Research
- Clinical Psychology
Background:
- Early detection and intervention services (EIS) for psychosis have evolved over 30 years.
- These services are crucial for young people experiencing first-episode psychosis (FEP).
- Global dissemination and endorsement highlight their importance.
Purpose of the Study:
- To synthesize the development of EIS for psychosis over three decades.
- To review essential components and effectiveness of EIS programs.
- To identify challenges and solutions for EIS implementation.
Main Methods:
- Narrative literature review on international EIS development.
- Review of international and Canadian guidelines for essential components and effectiveness.
- Analysis of challenges and practical solutions for implementation.
Main Results:
- EIS models, originating in the 1990s, are now widespread globally.
- Meta-analysis shows EIS superiority over standard treatment in reducing hospitalizations, relapse, and improving functioning.
- Key components include outreach, rapid access, biopsychosocial interventions, shared decision-making, and intensive case management by interdisciplinary teams.
Conclusions:
- EIS for psychosis are effective and have a strong research base.
- Dissemination requires fidelity to core values and essential components for optimal outcomes.
- Successful implementation fosters hope, recovery, and improved quality of life for young people with psychosis and their families.
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