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https://hdl.handle.net/2440/139732
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Type: | Journal article |
Title: | Long-term mortality in heart failure with mid-range ejection fraction: systematic review and meta-analysis |
Author: | Raja, D.C. Samarawickrema, I. Das, S. Mehta, A. Tuan, L. Jain, S. Dixit, S. Marchlinski, F. Abhayaratna, W.P. Sanders, P. Pathak, R.K. |
Citation: | ESC Heart Failure, 2022; 9(6):4088-4099 |
Publisher: | Wiley |
Issue Date: | 2022 |
ISSN: | 2055-5822 2055-5822 |
Statement of Responsibility: | Deep Chandh Raja, Indira Samarawickrema, Souvik Das, Abhinav Mehta, Lukah Tuan, Sanjiv Jain, Sanjay Dixit, Frank Marchlinski, Walter P. Abhayaratna, Prashanthan Sanders, and Rajeev K Pathak |
Abstract: | Aims Heart failure patients with mid-range ejection fraction (HFmrEF) have overlapping clinical features, compared with patients with reduced ejection fraction (HFrEF) and preserved ejection fraction (HFpEF). We aim to perform a meta-analysis of studies reporting long-term outcomes in HFmrEF compared with HFrEF and HFpEF. Methods and results Data from 18 eligible large-scale studies including 126 239 patients were pooled. Patients with HFmrEF had a lower risk of all-cause death than those with HFrEF [risk ratio (RR) = 0.92; 95% CI = 0.85–0.98; P < 0.001]. This significant difference was seen in the follow-up at 1, 2, and 3 years. Patients with HFmrEF had significantly lower risk of cardiovascular (CV) deaths than HFrEF (RR = 0.77; 95% CI = 0.65–0.92; P < 0.001). Subgroup analysis showed that studies recruiting >50% of males had higher risk of deaths with HFrEF (RR = 1.15; 95% CI = 1.04–1.26; P = 0.006). When compared with HFpEF, patients with HFmrEF had comparable risk of all-cause death (RR = 1.02; 95% CI = 0.96–1.09; P = 0.53). Similarly, there were no differences in the 1, 2, and 3 year deaths; CV and non-CV deaths were insignificant between HFmrEF and HFpEF. Conclusions The results of the study support that HFmrEF has better prognosis than HFrEF but similar prognosis when compared with HFpEF. Gender disparity between studies seems to influence the results between HFmrEF and HFrEF. Transition in left ventricular ejection fraction (LVEF), which could not be addressed in the study, may play a decisive role in determining outcomes. PROSPERO review registration number CRD42021277107. |
Keywords: | Gender differences Heart failure Meta-analysis Mid-range ejection fraction Mortality Systematic review |
Rights: | © 2022 The Authors. ESC Heart Failure published by John Wiley & Sons Ltd on behalf of European Society of Cardiology. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes. |
DOI: | 10.1002/ehf2.14125 |
Grant ID: | NHMRC |
Published version: | http://dx.doi.org/10.1002/ehf2.14125 |
Appears in Collections: | Medicine publications |
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hdl_139732.pdf | Published version | 2.15 MB | Adobe PDF | View/Open |
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