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Year : 2020  |  Volume : 9  |  Issue : 6  |  Page : 3065-3069

Utilization of guideline-directed medical therapy in patients with de novo heart failure with reduced ejection fraction: A Veterans Affairs study

1 University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
2 Loma Linda University International Heart Institute, Loma Linda, CA, United States
3 University of Oklahoma Health Sciences Center; Veterans Affair Medical Center, Oklahoma City, OK, United States

Correspondence Address:
Dr. Tarun W Dasari
Cardiovascular Section, Department of Medicine, 800 SL Young Blvd, COM 5400, University of Oklahoma HSC, Oklahoma City, Oklahoma - 73104
United States
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jfmpc.jfmpc_174_20

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Background: The utilization of guideline-directed medical therapy (GDMT) significantly reduces morbidity and mortality in patients with heart failure with reduced ejection fraction (HFrEF). Previous studies have documented the underutilization of GDMT in HFrEF. The present study aimed to determine reasons for underutilization and achievement of target doses of GDMT in patients with de novo diagnosis of HFrEF. Methods: Patients presenting with de novo HFrEF at the Veterans Affairs Medical Center were included. Baseline demographic, clinical, and echocardiographic data were collected. The utilization of target doses of GDMT was assessed at the time of discharge and 1-, 3-, 6-, and 12-month follow-up. Results: Of the 95 patients who met the criteria for de novo HFrEF, 48 were included in the final analysis. Dose titration of either beta-blocker or angiotensin converting enzyme inhibitors/angiotensin receptor blockers (ACEi/ARB) was attempted in 20 patients (42%) at 1 month, 21 patients (44%) at 3 months, 13 patients (27%) at 6 months, and 14 patients (29%) at 12 months. Nine (19%) patients were on a target dose of beta-blockers and three (6%) patients were on a target dose of an ACEi/ARB at 12 months. The most common reasons for underutilization were patient-level factors, such as hypotension, acute kidney injury/hyperkalemia, and patient noncompliance. Conclusions: Utilization and achievement of target doses of GDMT were suboptimal among patients discharged with de novo HFrEF during a 1-year follow-up. Although patient factors may limit the up-titration of therapies, concerted efforts are needed to support primary care physicians in improving adherence to target doses of GDMT in patients with HFrEF.

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