Why the study?
Right atrial dysfunction may indicate advanced heart failure, but its prognostic role assessed by right atrial reservoir strain in hospitalized acute heart failure patients remains undetermined.
Does impaired right atrial reservoir strain predict all-cause mortality and heart failure rehospitalization in patients hospitalized for acute heart failure?
Population
401 consecutive patients hospitalized for acute HF
Comparison
RArS < 11.4% vs RArS ≥ 11.4%
Design
Prospective observational cohort study
Follow-up
Median of 6 (interquartile range, 2.3-9.8) months
Key result
Right atrial reservoir strain <11.4% at discharge in acute heart failure patients was associated with increased all-cause mortality and HF rehospitalization (HR 1.80; 95% CI 1.05-3.08; P=0.032).
Authors
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May aid discharge risk stratification in acute HF; leaves open prospective validation before clinical adoption.
Cohort (n=401)
Does impaired right atrial reservoir strain predict all-cause mortality and heart failure rehospitalization in patients hospitalized for acute heart failure?
Effect estimate: HR 1.80 (95% CI 1.05-3.08)
Absolute Event Rate: 49.2% vs 24.1%
p-value: p=0.032
Impaired right atrial reservoir strain (<11.4%) assessed at discharge provides incremental prognostic value for mortality and rehospitalization in patients with acute heart failure.
Anastasiou et al. (2025) conducted a cohort in Acute Heart Failure (n=401). Right atrial reservoir strain (RArS) < 11.4% vs. RArS ≥ 11.4% was evaluated on All-cause mortality and heart failure rehospitalization (HR 1.80, 95% CI 1.05-3.08, p=0.032). Right atrial reservoir strain <11.4% at discharge in acute heart failure patients was associated with increased all-cause mortality and HF rehospitalization (HR 1.80; 95% CI 1.05-3.08; P=0.032).