Outcomes and effect of treatment according to etiology in HFrEF: An analysis of PARADIGM-HF
Journal article
Balmforth, Craig, Simpson, Joanne, Shen, Li, Jhund, Pardeep S., Lefkowitz, Martin P., Rizkala, Adel R., Rouleau, Jean L., Shi, Victor C., Solomon, Scott D., Swedberg, Karl, Zile, Michael R., Packer, Milton and McMurray, John J. V.. (2019). Outcomes and effect of treatment according to etiology in HFrEF: An analysis of PARADIGM-HF. JACC: Heart Failure. 7(6), pp. 457 - 465. https://doi.org/10.1016/j.jchf.2019.02.015
Authors | Balmforth, Craig, Simpson, Joanne, Shen, Li, Jhund, Pardeep S., Lefkowitz, Martin P., Rizkala, Adel R., Rouleau, Jean L., Shi, Victor C., Solomon, Scott D., Swedberg, Karl, Zile, Michael R., Packer, Milton and McMurray, John J. V. |
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Abstract | Objectives The purpose of this study was to compare outcomes (and the effect of sacubitril/valsartan) according to etiology in the PARADIGM-HF (Prospective comparison of angiotensin-receptor-neprilysin inhibitor [ARNI] with angiotensin-converting-enzyme inhibitor [ACEI] to Determine Impact on Global Mortality and morbidity in Heart Failure) trial. Background Etiology of heart failure (HF) has changed over time in more developed countries and is also evolving in non-Western societies. Outcomes may vary according to etiology, as may the effects of therapy. Methods We examined outcomes and the effect of sacubtril/valsartan according to investigator-reported etiology in PARADIGM-HF. The outcomes analyzed were the primary composite of cardiovascular death or HF hospitalization, and components, and death from any cause. Outcomes were adjusted for known prognostic variables including N terminal pro-B type natriuretic peptide. Results Among the 8,399 patients randomized, 5,036 patients (60.0%) had an ischemic etiology. Among the 3,363 patients (40.0%) with a nonischemic etiology, 1,595 (19.0% of all patients; 47% of nonischemic patients) had idiopathic dilated cardiomyopathy, 968 (11.5% of all patients; 28.8% of nonischemic patients) had a hypertensive cause, and 800 (9.5% of all patients, 23.8% of nonischemic patients) another cause (185 infective/viral, 158 alcoholic, 110 valvular, 66 diabetes, 30 drug-related, 14 peripartum–related, and 237 other). Whereas the unadjusted rates of all outcomes were highest in patients with an ischemic etiology, the adjusted hazard ratios (HRs) were not different from patients in the 2 major nonischemic etiology categories; for example, for the primary outcome, compared with ischemic (HR: 1.00), hypertensive 0.87 (95% confidence interval [CI]: 0.75 to 1.02), idiopathic 0.92 (95% CI: 0.82 to 1.04) and other 1.00 (95% CI: 0.85 to 1.17). The benefit of sacubitril/valsartan over enalapril was consistent across etiologic categories (interaction for primary outcome; p = 0.11). Conclusions Just under one-half of patients in this global trial had nonischemic HF with reduced ejection fraction, with idiopathic and hypertensive the most commonly ascribed etiologies. Adjusted outcomes were similar across etiologic categories, as was the benefit of sacubitril/valsartan over enalapril. (Efficacy and Safety of LCZ696 Compared to Enalapril on Morbidity and Mortality of Patients With Chronic Heart Failure; NCT01035255) |
Keywords | angiotensin receptor blocker; angiotensin-converting enzyme inhibitor; etiology; heart failure; natriuretic peptides; neprilysin; treatment |
Year | 2019 |
Journal | JACC: Heart Failure |
Journal citation | 7 (6), pp. 457 - 465 |
Publisher | Elsevier Inc. |
ISSN | 2213-1779 |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.jchf.2019.02.015 |
Scopus EID | 2-s2.0-85065772478 |
Open access | Open access |
Page range | 457 - 465 |
Research Group | Mary MacKillop Institute for Health Research |
Publisher's version | License |
Place of publication | United States of America |
https://acuresearchbank.acu.edu.au/item/88w17/outcomes-and-effect-of-treatment-according-to-etiology-in-hfref-an-analysis-of-paradigm-hf
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