Heart failure & cardiomyopathies

Treatment Response in Recent-Onset Heart Failure with Reduced Ejection Fraction: Non-Ischaemic vs. Ischaemic Aetiology

ESC Heart FailPublished Observational cohort study

Authors' conclusion

In recent-onset HFrEF, patients with non-IHF responded better to GDMT than patients with IHF.

Study context

Population
Patients hospitalised with recent-onset HFrEF (left ventricular ejection fraction (LVEF) < 40%) starting guideline-directed medical treatment (GDMT), 2016–201947 not investigated for ischaemic heart disease (IHD)
Participants
364 patients
Exposure
Non-ischaemic vs ischaemic aetiology of recent-onset HFrEF
  • non-IHFn = 203reference
  • IHFn = 114
Outcome
Hierarchical clinical composite outcome (worsened, improved or unchanged) based on mortality, heart transplantation, heart failure (HF) hospitalisation, LVEF, NT-proBNP and NYHA class changes
Follow-up
28 weeks

Main finding

As reported in the abstract

non-IHF

Worsened
19.1%
Improved
74.2%

IHF

Worsened
43.9%
Improved
43.9%

Worsened

non-IHF19.1%
IHF43.9%

Improved

non-IHF74.2%
IHF43.9%
IHF vs non-IHFOdds ratio (95% CI)P value
Worsening; multivariable-adjusted
2.94(1.51–5.74)
P = 0.002
Improvement; multivariable-adjusted
0.35(0.18–0.65)
P < 0.001

Observational data: associations, not effects.

Further findings

Decision for coronary investigation (no previous IHD or new-onset MI)

Coronary investigation decided (n = 261)
69.0%

Original publication

Treatment Response in Recent-Onset Heart Failure with Reduced Ejection Fraction: Non-Ischaemic vs. Ischaemic Aetiology. ESC Heart Fail. Published 4 November 2022. doi:10.1002/ehf2.14214

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