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European Journal of Heart Failure
Article . 2013
License: Wiley Online Library User Agreement
Data sources: Crossref
ACU Research Bank
Article . 2013
Data sources: ACU Research Bank
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Known and missing left ventricular ejection fraction and survival in patients with heart failure: a MAGGIC meta‐analysis report

Authors: Katrina K, Poppe; Iain B, Squire; Gillian A, Whalley; Lars, Køber; Finlay A, McAlister; John J V, McMurray; Stuart, Pocock; +4 Authors

Known and missing left ventricular ejection fraction and survival in patients with heart failure: a MAGGIC meta‐analysis report

Abstract

AimsTreatment of patients with heart failure (HF) relies on measurement of LVEF. However, the extent to which EF is recorded varies markedly. We sought to characterize the patient group that is missing a measure of EF, and to explore the association between missing EF and outcome.Methods and resultsIndividual data on 30 445 patients from 28 observational studies in the Meta‐Analysis Global Group in Chronic Heart Failure (MAGGIC) project were used to compare the prevalence of co‐morbidities and outcome across three groups of HF patients: those with missing EF (HF‐mEF), reduced EF (HF‐REF), and preserved EF (HF‐PEF). A total of 29% had HF‐mEF, 52% HF‐REF, and 19% HF‐PEF. Compared with patients in whom EF was known, patients with HF‐mEF were older, had a greater prevalence of COPD and previous stroke, and were smokers. Patients with HF‐mEF were less likely to receive evidence‐based treatment than those with HF‐REF. Adjusted mortality in HF‐mEF was similar to that in 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].ConclusionMissing 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 a high risk group.

Country
Australia
Subjects by Vocabulary

Microsoft Academic Graph classification: medicine.medical_specialty Internal medicine medicine Stroke COPD Ejection fraction business.industry Hazard ratio medicine.disease Missing data Confidence interval Surgery Heart failure Meta-analysis Cardiology business

Keywords

Male, Documentation, missing data, Humans, ejection fraction, Aged, Aged, 80 and over, Heart Failure, Stroke Volume, Middle Aged, Prognosis, meta-analysis, Outcome and Process Assessment, Health Care, Echocardiography, Multivariate Analysis, outcome, Female, Cardiology and Cardiovascular Medicine

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    Top 10%
  • citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    33
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Top 10%
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
33
Top 10%
Top 10%
Top 10%
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