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Published on: June 10, 2025
Assessment of Guideline-Directed Medical Therapy Optimization Scores and Readmission Risk in Heart Failure With
Hanna Jensen1, Max Staskauskas1, Sara Strome1
1Department of Pharmacy, UC San Diego Health, San Diego, CA, USA.
Guideline-directed medical therapy (GDMT) scores like OMT and mOMT predict 90-day heart failure readmissions. Simpler scoring systems show potential for guiding GDMT optimization in heart failure patients.
Area of Science:
- Cardiology
- Health Services Research
Background:
- Heart failure with reduced ejection fraction (HFrEF) has high morbidity and mortality.
- Guideline-directed medical therapy (GDMT) improves HFrEF outcomes but is often underutilized.
- Existing scoring tools for GDMT optimization include GDMT count, Optimal Medical Therapy (OMT), modified OMT (mOMT), and Kansas City Medical Optimization (KCMO).
Purpose of the Study:
- To assess the association between four GDMT scoring systems and 30- and 90-day heart failure (HF) readmissions.
- To determine the predictive value of different GDMT scoring tools for HF readmissions.
Main Methods:
- A multi-center, retrospective cohort study of 544 adult patients hospitalized for HF with left-ventricular ejection fraction ≤40%.
- GDMT scores were calculated at discharge for patients receiving at least one GDMT class and having a healthcare encounter within 90 days.
- Mixed-effects Cox proportional hazards models were used to analyze associations between GDMT scores and 30/90-day HF readmissions, adjusted for covariates.
Main Results:
- 13.1% of patients had 30-day and 26.8% had 90-day HF readmissions.
- No significant association was found between any GDMT score and 30-day readmissions.
- Higher OMT and mOMT scores were associated with reduced 90-day HF readmission risk (HR: 0.93 and 0.94, respectively), while GDMT count and KCMO scores were not.
Conclusions:
- OMT and mOMT scores are associated with 90-day HF readmissions, suggesting their utility in predicting risk.
- GDMT count and KCMO scores did not show significant associations with readmissions in this cohort.
- Further development of GDMT scoring tools is needed, potentially incorporating dose intensity and longitudinal therapy, to better guide optimization efforts for heart failure management.
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