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AHA Scientific Sessions 2026 Abstract

Frailty linked to worse outcomes in heart sac inflammation

Within one year, frailty was linked to a 63% higher relative risk of death, hospitalization or specified heart complications compared with no frailty.

Paper by Jibran Ikram, Aizaz Ali, Muhammad Tauqeer Ehsan, +8 more authorsAllan L. Klein · Cleveland Clinic
A heart section surrounded by a thickened sac and accumulated fluid sits beside a smaller heart with less fluid and a group of upright figures.

Our read

Biomarkers
Studied:
Cohort study of adults with acute pericarditis, 10 years, against patients without frailty (Multicenter)
What changed:
Risk of death, hospitalization or specified heart complications was 63% higher within one year with frailty than without
The catch:
Matching may miss differences in underlying disease severity between frail and nonfrail patients
Why it’s aging research:
It measures an outcome that worsens with age.

Editor of record: Boris Djordjevic · AgingResearch.News

Paper
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Among 84,039 adults aged 18 or older with acute pericarditis, inflammation of the sac around the heart, 14,014 had frailty—a reduced capacity to withstand stress. Researchers used multinational electronic health records from 2005–2025 for a retrospective observational study. They identified frailty from diagnoses recorded in the preceding year and matched groups on demographic and health characteristics.

The main outcome combined death, hospitalization, fluid compressing the heart, drainage of the heart sac, or stiffening of the sac that restricted heart function. Frailty was linked to higher risk of this outcome at one and 10 years, most strongly in the first year. Frailty was also linked to higher long-term risks of death, readmission, heart failure and shock from inadequate heart pumping. The authors suggested that routine frailty assessment may help identify patients needing closer monitoring.

Why it matters

Frailty reflects diminished reserves for coping with illness, a concern in aging. The authors suggested that assessing it may add useful information beyond traditional cardiovascular risk factors when planning care.

Caveats

Frailty was identified through recorded diagnoses, and frail patients may have had health differences that matching did not capture. The findings were reported in a conference abstract.

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