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Introduction Methods Results Conclusions Bipolar disorder (BD) hospitalization rates in children and adolescents vary greatly across place and over time. There are no population‐based studies on youth BD hospitalizations in Spain.We identified all patients aged 10–19 hospitalized due to BD in Spain between 2000 and 2021, examined their demographic and clinical characteristics, and assessed temporal trends in hospitalizations – overall and stratified by age and presence of additional psychiatric comorbidity. We used Joinpoint regressions to identify inflection points and quantify whole‐period and annual percentage changes (APCs) in trends.Of 4770 BD hospitalizations in 10–19‐year‐olds between 2000 and 2021 (average annual rate: 4.8 per 100,000), over half indicated an additional psychiatric comorbidity, most frequently substance abuse (62.2%), mostly due to cannabis (72.4%). During the study period, admissions increased twofold with an inflection point: Rates increased annually only between 2000 and 2008, for APCs 34.0% (95% confidence interval: 20.0%, 71.1%) among 10–14‐year‐olds, 10.3% (6.4%, 14.3%) among 15–19‐year‐olds, and 15.5% (11.5%, 22.7%) among patients with additional psychiatric comorbidity. Between 2009 and 2021, rates decreased moderately among 10–14‐year‐olds – APC: −8.3% (−14.1%, −4.4%) and slightly among 15–19‐year‐olds without additional psychiatric comorbidity – APC: −2.6(−5.7, −1.0), remaining largely stable among 15–19‐year‐olds overall.Recent trends in hospitalization due to BD in 10–19‐year‐olds in Spain indicate salient increases in the early 2000s – especially among (i) patients aged 10–14 (decreasing moderately after 2009 among 10–14‐year‐olds and plateauing among 15–19‐year‐olds) and (ii) patients with additional psychiatric comorbidity (i.e., cannabis use disorder). These findings suggest links with recent changes in clinical practices for children and recent trends in substance use among Spanish youth. [ABSTRACT FROM AUTHOR]

ABSTRACT Objective Methods Results Discussion Limited evidence exists regarding the impact of the COVID‐19 pandemic on the onset and trajectory of eating disorders (EDs) among young in Spain. This study aims to analyze the characteristics and recent trends in hospital admissions for EDs within the pediatric population.A retrospective analysis was conducted on hospital admissions for EDs among patients aged 10–19 years between 2016 and 2022. The main outcomes examined included hospital rates (overall, stratified by ED type and age group), psychiatric comorbidities, and length of stay.A total of 8275 hospitalizations due to EDs were identified, constituting 1 in 6 hospital admissions for mental illness and behavioral disorders. Predominant characteristics of this population included female sex (93%), aged 15–19 years (58.3%), admission primarily for anorexia nervosa (71.6%), and psychiatric comorbidity (35.6%). Hospital admissions for EDs in the pediatric population showed an increasing trend, with an annual average increase of 11.1% (95% CI: 2.6, 22.6). This rise was led by children aged 10–14 years, with a yearly increase in EDs hospitalization rates of 28.4% (95% CI: 13.5, 56.3) since 2019. Each discharge related to EDs was associated with a median stay of 24 days (IQR: 10, 40).Efforts in community healthcare should prioritize early detection and intervention for symptoms indicative of EDs in the pediatric population, aiming to mitigate the severity of cases requiring hospitalization. These findings underscore the necessity for targeted health planning policies to address the growing burden of EDs among Spanish youth. [ABSTRACT FROM AUTHOR]