Heart failure & cardiomyopathiesResearch article

Global Impact of Optimal Implementation of Guideline-Directed Medical Therapy in Heart Failure

JAMA CardiolPublished

  • Modelling study
  • sensitivity analysis

Authors' conclusion

Improvement in use of GDMT could result in substantial mortality benefits on a global scale.

Study context

Population
People with heart failure with reduced ejection fraction (HFrEF) worldwideestimated HFrEF population
Participants
28.89 million people
Comparison
Optimal implementation of quadruple guideline-directed medical therapy (GDMT) vs current treatment rates
Outcome
All-cause mortality
Follow-up
12 months

Main finding

As reported in the abstract

Deaths potentially prevented by optimal quadruple GDMT

Deaths potentially prevented

1 188 277 (95% CI 767 933-1 914 561)

Further findings

Eligible but not receiving each GDMT class

β-blockers
8 235 063 (95% CI 6 296 020-10 762 972)
ARNI
20 387 000 (95% CI 15 867 004-26 184 996)
MRA
12 223 700 (95% CI 9 376 895-15 924 973)
SGLT2 inhibitors
21 229 170 (95% CI 16 537 400-27 242 688)

Regional distribution of deaths averted

Large proportion projected in Southeast Asia, Eastern Mediterranean and Africa, and Western Pacific regions

Original publication

Global Impact of Optimal Implementation of Guideline-Directed Medical Therapy in Heart Failure. JAMA Cardiol. Published 1 December 2024. doi:10.1001/jamacardio.2024.3023

Summarised from the published abstract; every number is checked against it