Heart failure & cardiomyopathies

Generalizable Approach to Quantifying Guideline-Directed Medical Therapy

Circ Heart FailPublished Secondary analysis of the Change the Management of Patients With heart failure (HF) registry

Authors' conclusion

KCMO measures GDMT intensity by incorporating dosing and treatment eligibility, provides more granularity than existing methods, is easily interpretable (percentage of ideal GDMT), and can be adapted as performance measures evolve.

Study context

Population
Patients with HF; Guideline-directed medical therapy (GDMT) (MRA, β-blocker, ACEi/ARB/ARNI) intensity at baseline and 1-year change4,061 with 1-year change
Participants
4,532 patients
Comparison
Kansas City Medical Optimization (KCMO) score vs HF collaboratory and modified HF Collaboratory scores

Primary result

As reported in the abstract

Baseline GDMT intensity score
GroupValueCoefficient of variation
KCMOmean 38.8 (SD 25.7)0.66
HF collaboratorymean 3.4 (SD 1.7)0.49
Modified HF Collaboratorymean 42.2 (SD 22.2)0.53

Value

KCMOmean 38.8 (SD 25.7)
HF collaboratorymean 3.4 (SD 1.7)
Modified HF Collaboratorymean 42.2 (SD 22.2)

Coefficient of variation

KCMO0.66
HF collaboratory0.49
Modified HF Collaboratory0.53

Further findings

Mean

OutcomeKCMOHF collaboratoryModified HF Collaboratory
1-year change in score−1.94 (SD 17.8)−0.11 (SD 1.32)−1.35 (SD 19.8)
  • 1-year change in score: n=4061

Original publication

Generalizable Approach to Quantifying Guideline-Directed Medical Therapy. Circ Heart Fail. Published 14 May 2024. doi:10.1161/circheartfailure.123.011164

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