Heart failure & cardiomyopathies

Impact of Multimorbidity on Mortality in Heart Failure with Reduced Ejection Fraction: Which Comorbidities Matter Most? An Analysis of PARADIGM-HF and ATMOSPHERE

Eur J Heart FailPublished Secondary analysis of the PARADIGM-HF and ATMOSPHERE randomised trials

Authors' conclusion

In HF, the impact of multimorbidity differed at the individual patient and population level, depending on the prevalence of and the risk related to each comorbidity, and the interaction between individual comorbidities.

Study context

Population
Patients with HFrEF in the PARADIGM-HF and ATMOSPHERE trials
Participants
15,066 patients
Comparison
Comorbidities, alone and in pairs
Primary endpoint
All-cause death (PAF and relative excess risk due to interaction, Cox models)

Primary result

As reported in the abstract

All-cause death by comorbidity pair
Hazard ratio (95% CI)
PAD + strokegreatest individual risk among pairs
1.73(1.28–2.33)
PAD + anaemia
1.71(1.39–2.11)
CKD + hypertension · highest population attributable fractions (PAF)
PAF 5.65% (95% CI 3.66–7.61)

Further findings

Prevalence of the 10 most prevalent comorbidities

≥1 comorbidity
14 133 (93.7%)
≥2 comorbidities
11 867 (78.8%)

Original publication

Impact of Multimorbidity on Mortality in Heart Failure with Reduced Ejection Fraction: Which Comorbidities Matter Most? An Analysis of PARADIGM-HF and ATMOSPHERE. Eur J Heart Fail. Published 24 April 2023. doi:10.1002/ejhf.2856

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