ArticleActas espanolas de psiquiatria2026
Recurrence and Lethality in a Cohort of Minors With Suicidal Behaviour: 2010-2024.
Article in Actas espanolas de psiquiatria, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundSuicidal behaviour in children and adolescents has increased significantly over the last decade, generating growing concern among healthcare professionals. However, clinical and evolutionary differences between minors and adults after a suicide attempt are not sufficiently defined. This study analyses the differential profile of minors treated for suicide attempts in a large provincial cohort to identify specific vulnerabilities and risk patterns.
methodsRetrospective cohort study (MCOSUL Cohort) that included all suicide attempts treated in provincial psychiatric emergency services between 2010 and 2024. Sociodemographic variables, psychiatric diagnoses, substance use, method and lethality of the index attempt, recurrence, and mortality were collected. High lethality was defined according to Beautrais criteria. χ
resultsMinors represented 8% of the cohort, with a female predominance (83%). They presented a higher prevalence of neurodevelopmental disorders and eating disorders (EDs), as well as a differential consumption pattern dominated by tetrahydrocannabinol (THC). They used more violent methods, especially cutting, without an increase in lethality. The Cox model shows that being a minor is significantly associated with earlier recurrence of suicidal behaviour (HR = 1.36), even after adjusting the analysis for sex, neurodevelopmental disorders, THC use, and the method employed. Adults showed higher lethality, mortality, and more frequent use of sedative medications as a suicide method. Recurrence of subsequent suicidal behaviour was similar but occurred earlier in minors.
conclusionsAdolescent suicidal behaviour appears to present a distinct clinical phenotype, characterized by a predominance of female adolescents, frequent neurodevelopmental vulnerabilities, THC use, low-lethality violent methods, and relatively rapid recurrence, highlighting the need for tailored prevention strategies.
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