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. 2020 Jun 10;9(12):e015009. doi: 10.1161/JAHA.119.015009

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© 2020 The Authors. Published on behalf of the American Heart Association, Inc., by Wiley.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Myocardial strain and heart failure phenotypes according to changes in LVEF. A, Patients were stratified according to GLS tertiles. The proportion of persistent HFrEF and that of HFdEF was highest in the lowest GLS tertile. B, Incremental prognostic value of predictors by binary logistic regression model presented as global χ² value. The addition of GLS offers a significant additional benefit over conventional parameters. BB indicates beta‐blockers; GLS, global longitudinal strain; HFdEF, heart failure with declined ejection fraction; HFiEF, heart failure with improved ejection fraction; HFpEF, heart failure with preserved ejection fraction; HFrEF, heart failure with reduced ejection fraction; HR, heart rate; IDI, integrated discrimination index; LA, left atrium; LVEDD, left ventricular end diastolic diameter; LVEF, left ventricular ejection fraction; NP, natriuretic peptide; and SBP, systolic blood pressure.