The role of prediction in suicide prevention
- PMID: 30581289
- PMCID: PMC6296389
- DOI: 10.31887/DCNS.2018.20.3/mlarge
The role of prediction in suicide prevention
Abstract
It is widely believed that suicide prevention involves the consideration of risk and protective factors and related interventions. Preventative interventions can be classified as "universal" (targeting whole populations), "selective" (targeting higher-risk groups), and "indicated" (protecting individuals). This review explores the range of preventative measures that might be used commensurately with different types of suicide prediction. The author concludes that the best prospects for suicide prevention lie in universal prevention strategies. While risk assessments do generate some information about future suicide, suicide risk categorization results in an unacceptably high false positive rate, misses many fatalities, and therefore, is unable to usefully guide prevention strategies. The assessment of suicidal patients should focus on contemporaneous factors and the needs of the patient, rather than probabilistic notions of suicide risk.
En general, se cree que la prevención del suicidio implica la consideración de los factores de riesgo y de protección, y las intervenciones relacionadas. Las intervenciones preventivas se pueden clasificar como “universales” (dirigidas a toda la población), “selectivas” (dirigidas a grupos de mayor riesgo) e “indicadas” (protección a las personas). Esta revisión explora el rango de medidas preventivas que podrían usarse de manera acorde con los diferentes tipos de predicción de suicidio. El autor concluye que las mejores perspectivas para la prevención del suicidio se encuentran en las estrategias universales de prevención. Si bien las evaluaciones de riesgo sí aportan cierta información sobre futuros suicidios, la categorización del riesgo de suicidio genera una frecuencia, inaceptablemente alta, de falsos positivos; deja de lado muchas muertes y es, por lo tanto, inapropiada para guiar de manera útil las estrategias de prevención. La evaluación de los pacientes con tendencias suicidas debería centrarse en los factores del momento y las necesidades del paciente, más que en las nociones probabilísticas de riesgo de suicidio.
Il est largement reconnu que la prévention du suicide implique la prise en compte des facteurs de risque et de protection et des interventions qui s'y rapportent. Les interventions de prévention peuvent être “universelles” (ciblant toutes les populations), “sélectives” (ciblant des groupes à haut risque) ou “indiquées” (protégeant les individus). Cet article explore l'éventail des mesures préventives qui pourraient être utilisées proportionnellement aux différents types de pronostic de suicide. Pour l'auteur, les meilleures perspectives de prévention du suicide résident dans les stratégies universelles de prévention. Les évaluations du risque génèrent certaines informations sur le suicide à venir, mais la catégorisation du risque suicidaire entraîne un taux inacceptablement élevé de faux positifs, passe à côté de beaucoup de décès et est donc inappropriée pour guider les stratégies de prévention. L'évaluation des patients suicidaires devrait se concentrer sur des facteurs contemporains et les besoins des patients plus que sur des notions de probabilité du risque suicidaire.
Keywords: mental health; prevention; risk assessment; risk factor; suicide.
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