Known and missing left v entricular ejection fraction and survival in patients with heart failure : a MAGGIC meta-analysis report
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Other Title
Authors
Poppe, K.K.
Squire, I.B.
Whalley, Gillian
Squire, I.B.
Whalley, Gillian
Author ORCID Profiles (clickable)
Degree
Grantor
Date
2013-06-26
Supervisors
Type
Journal Article
Ngā Upoko Tukutuku (Māori subject headings)
Keyword
heart failure
outcomes
meta-analysis
ejection fraction
missing data
outcomes
meta-analysis
ejection fraction
missing data
ANZSRC Field of Research Code (2020)
Citation
Poppe, K.K. et al. (2013) Known and missing left v entricular ejection fraction and survival in patients with heart failure: a MAGGIC meta-analysis report. European Journal of Heart Failure (2013) 15, 1220–1227.
Abstract
Aims Treatment of patients with heart failure (HF) relies on measurement of LVEF. However, the extent to which EF isrecorded varies markedly. We sought to characterize the patient group that is missing a measure of EF, and toexplore the association between missing EF and outcome.Methodsand resultsIndividual data on 30 445 patients from 28 observational studies in the Meta-Analysis Global Group in Chronic HeartFailure (MAGGIC) project were used to compare the prevalence of co-morbidities and outcome across three groupsof HF patients: those with missing EF (HF-mEF), reduced EF (HF-REF), and preserved EF (HF-PEF). A total of 29% hadHF-mEF, 52% HF-REF, and 19% HF-PEF. Compared with patients in whom EF was known, patients with HF-mEF wereolder, had a greater prevalence of COPD and previous stroke, and were smokers. Patients with HF-mEF were lesslikely to receive evidence-based treatment than those with HF-REF. Adjusted mortality in HF-mEF was similar to thatin HF-REF and greater than that in HF-PEF at 3 years [HF-REF, hazard ratio (HR) 1.03, 95% confidence interval (CI)0.95–1.12); HF-PEF, HR 0.78, 95% CI 0.71–0.86].Conclusion Missing EF is common. The short- and long-term outcome of patients with HF-mEF is poor and they exhibit different co-morbidity profiles and treatment patterns compared with patients with known EF. HF patients with missing EF represent ahigh risk group.
Publisher
Permanent link
Link to ePress publication
DOI
doi:10.1093/eurjhf/hft101
Copyright holder
John Wiley & Sons Ltd.
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