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Treatment Persistence of Renin-Angiotensin-Aldosterone-System Inhibitors Over Time in Heart Failure with Reduced Ejection Fraction.
BACKGROUND: Clinical practice guidelines support sustained use of renin-angiotensin-aldosterone-system (RAAS) inhibitors over time in heart failure with reduced ejection fraction, yet few data are available regarding the frequency, timing or predictors of early treatment discontinuation in clinical practice. METHODS: Among prevalent or new users of angiotensin-converting enzyme inhibitors (ACEis)/angiotensin receptor blockers (ARBs), angiotensin receptor-neprilysin inhibitors (ARNIs), and mineralocorticoid receptor antagonists (MRAs) in the CHAMP-HF (Change the Management of Patients with Heart Failure) registry, we estimated the frequency and independent predictors of treatment discontinuation during follow-up. Among sites with > 5 users of a given RAAS inhibitor, we evaluated practice variation in the proportion of patients with treatment discontinuation. RESULTS: Over median follow-up of 18 months, frequency of drug discontinuation of ACEis/ARBs, ARNIs and MRAs was 12.7% (444 of 3509 users), 10.4% (140 of 1352 users), and 20.4% (435 of 2129 users), respectively. An additional, 149 (11.0%) of ARNI users were switched to ACEis/ARBs, and 447 (12.7%) of ACEi/ARB users were switched to ARNIs during follow-up. Across sites, the median proportion of discontinuation of ACEis/ARBs, ARNIs and MRAs was 12.5% (25th-75th percentiles 6.9%-18.9%), 18.8% (25th-75th percentiles 12.5%-28.6%), and 19.6% (25th-75th percentiles 10.7%-27.0%), respectively. Chronic kidney disease was the only independent predictor of increased risk of discontinuation of each of the RAAS inhibitor classes (P < 0.02 for all). Higher Kansas City Cardiomyopathy Questionnaire overall summary scores independently predicted lower risk of discontinuation of ACEis/ARBs and ARNIs (both P < 0.001) but not of MRAs. Investigator clinical experience was predictive of lower risks of discontinuation of ACEis/ARBs and MRAs (P < 0.02) but not of ARNIs. All other independent predictors of discontinuation were unique to individual therapeutic classes. CONCLUSIONS: One in 10 patients discontinue ACEis/ARBs or ARNIs, and 1 in 5 discontinue MRAs in routine clinical practice of heart failure with reduced ejection fraction. Unique patient-level and clinician/practice-level factors are associated with premature discontinuation of individual RAAS inhibitors, which may help to guide structured efforts to promote treatment persistence in clinical care.
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Related Subject Headings
- Stroke Volume
- Renin-Angiotensin System
- Renin
- Humans
- Heart Failure
- Cardiovascular System & Hematology
- Angiotensins
- Angiotensin-Converting Enzyme Inhibitors
- Angiotensin Receptor Antagonists
- Aldosterone
Citation
![Journal cover image](https://secure.syndetics.com/index.aspx?isbn=/lc.gif&issn=1532-8414&client=dukeuniv)
Published In
DOI
EISSN
Publication Date
Volume
Issue
Start / End Page
Location
Related Subject Headings
- Stroke Volume
- Renin-Angiotensin System
- Renin
- Humans
- Heart Failure
- Cardiovascular System & Hematology
- Angiotensins
- Angiotensin-Converting Enzyme Inhibitors
- Angiotensin Receptor Antagonists
- Aldosterone