Key result
Elderly myocarditis incidence declines ~0.2% annually over the past three decades.
Why the study?
Myocarditis can cause significant morbidity and mortality, particularly in the elderly, but a comprehensive global, regional, and national burden analysis from 1990 to 2021 was needed.
Observational
Yes
While the global age-standardized incidence and DALYs of myocarditis in the elderly have slightly decreased from 1990 to 2021, the absolute burden remains substantial and varies significantly by socio-demographic index.
Answers are grounded in this paper and cite their sources.
Warrants continued clinical vigilance for elderly myocarditis; leaves open targeted interventions by SDI and low-temperature risks.
Myocarditis is an inflammatory disease of the heart muscle that can lead to significant morbidity and mortality, particularly in the elderly population (≥65 years). This study aimed to provide a comprehensive global, regional, and national burden analysis of myocarditis from 1990 to 2021, with a prediction for 2050. We employed a variety of methodologies, including the estimation of age-standardized incidence rates, prevalence, disability-adjusted life years (DALYs), and their estimated annual percentage change (EAPC). Additionally, we analyzed age, sex, and temporal trends using line graphs and trend charts, revealing the shifts in disease burden across different demographics. Joinpoint regression analysis was performed to identify significant changes in burden over time, while the relationship between disease burden and the Socio-Demographic Index (SDI) was explored through a curve plot with a dot plot overlay. Age-period-cohort analysis was conducted to assess the influences of age effects, period effects, and cohort effects on disease burden. Decomposition analysis was employed to understand the impacts of population growth, aging, and epidemiological changes on the overall burden. Furthermore, we identified key risk factors contributing to myocarditis burden through curves and attributable risk ratios. Finally, Bayesian Age-Period-Cohort (BAPC) modeling was utilized to project the disease burden of myocarditis globally until 2050. Evidence suggests that a pivotal shift in disease burden occurred after 2010, with low temperature emerging as a primary risk factor for mortality. Our findings indicate a concerning trend in the increasing burden of myocarditis among the aging population, underscoring the urgent need for targeted public health strategies and further research to mitigate this growing health crisis.
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Ang et al. (2026) conducted an observational in Elderly individuals aged 65 years and older with myocarditis worldwide. The age-standardized incidence rate of myocarditis among elderly individuals decreased slightly by 0.21% annually from 1990 to 2021, with a rate of 56.06 per 100,000 in 2021.
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