Heart failure & cardiomyopathies

Adherence and Persistence to Pharmacotherapy in Patients with Heart Failure: A Nationwide Cohort Study, 2014–2020

ESC Heart FailPublished Nationwide cohort study

Authors' conclusion

We found low adherence to dual and triple HF therapies in this nationwide cohort study of newly diagnosed HF patients.

Study context

Population
Patients aged 18–80 years in Norway with a first heart failure (HF) diagnosis 2014–2020 surviving ≥30 days
Participants
54,899 patients
Exposure
Beta-blockers (BB) vs renin-angiotensin system inhibitors (RASi) vs angiotensin receptor-neprilysin inhibitors (ARNI) vs mineralocorticoid receptor antagonists (MRA) vs Dual HF therapy vs Triple HF therapy
Outcome
Initiation, 1-year adherence (proportion of days covered (PDC) ≥80%) and long-term persistence (30-day grace period) to BB, RASi and MRA
Methodological detailsregistry-based
  • Registry-based

Main finding

As reported in the abstract

Adherence (PDC ≥80%) · first year following initiation

Observational data: associations, not effects.

Further findings

OutcomeValues
InitiationBB 75% · RASi 69% · MRA 21% · Dual HF therapy 61% · Triple HF therapy 16%
Persistence, 2 to 5 years following initiationBB Persistence 2 y → 5 y 58% to 38% · RASi Persistence 2 y → 5 y 57% to 37% · MRA Persistence 2 y → 5 y 31% to 15%
Initiation — Did not receive any HF drug
13%

Persistence, 2 to 5 years following initiation

Within RASi, persistence higher for ARNI than for ACEI and ARB

Trends 2014–2019

No major changes in initiation or adherence, except an increase in initiation and adherence of MRA

Original publication

Adherence and Persistence to Pharmacotherapy in Patients with Heart Failure: A Nationwide Cohort Study, 2014–2020. ESC Heart Fail. Published 20 October 2022. doi:10.1002/ehf2.14206

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