Prognostic Effect of Guideline-Directed Therapy Is More Noticeable Early in the Course of Heart Failure

Min Soo Ahn, Byung Su Yoo, Junghan Yoon, Seung Hwan Lee, Jang Young Kim, Sung Gyun Ahn, Young Jin Youn, Jun Won Lee, Jung Woo Son, Hye Sim Kim, Dae Ryong Kang, Sang Eun Lee, Hyun Jai Cho, Hae Young Lee, Eun Seok Jeon, Seok Min Kang, Dong Ju Choi, Myeong Chan Cho
Journal of Korean Medical Science 2019 May 6, 34 (17): e133

BACKGROUND: There have been few studies to evaluate the prognostic implications of guideline-directed therapy according to the temporal course of heart failure. This study assessed the relationship between adherence to guideline-directed therapy at discharge and 60-day clinical outcomes in de novo acute heart failure (AHF) and acute decompensated chronic heart failure (ADCHF) separately.

METHODS: Among 5,625 AHF patients who were recruited from a multicenter cohort registry of Korean Acute Heart Failure, 2,769 patients with reduced ejection fraction were analyzed. Guideline-directed therapies were defined as the use of angiotensin-converting enzyme inhibitor (ACEI) or angiotensin receptor II blocker (ARB), β-blocker, and mineralocorticoid receptor antagonist.

RESULTS: In de novo AHF, ACEI or ARB reduced re-hospitalization (hazard ratio [HR], 0.57; 95% confidence interval [CI], 0.34-0.95), mortality (HR, 0.41; 95% CI, 0.24-0.69) and composite endpoint (HR, 0.52; 95% CI, 0.36-0.77) rates. Beta-blockers reduced re-hospitalization (HR, 0.62; 95% CI, 0.41-0.95) and composite endpoint (HR, 0.65; 95% CI, 0.47-0.90) rates. In ADCHF, adherence to ACEI or ARB was associated with only mortality and β-blockers with composite endpoint.

CONCLUSION: The prognostic implications of adherence to guideline-directed therapy at discharge were more pronounced in de novo heart failure. We recommend that guideline-directed therapy be started as early as possible in the course of heart failure with reduced ejection fraction.

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