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. 2018 Oct 11;7(20):e09841. doi: 10.1161/JAHA.118.009841

Figure 2.

Figure 2

Importance of longitudinal strain and left ventricular end‐systolic dimension on recovery of left ventricular ejection fraction. A, Rate of recovery among 166 NICM participants, with low and high defined at the median and associated strain curves. B, Odds ratio for recovery among participants with high LS compared with low LS dichotomized by high and low LVESD. C, Example of LS strain curve in a patient with large LV dimension (high LVESD) and low LS who does not recover (HFrEF). D, Example of LS strain curve in a patient with large LV dimension and high LS who does recover (HFrecEF). Low LS is defined as <8, high LS as ≥8; low LVESD is defined as ≤4.35 cm, high as >4.35 cm; HFrecEF is defined as follow‐up LVEF ≥40% and ≥10% absolute improvement in LVEF from baseline to follow‐up, assessed within 18 months of the index hospitalization. Persistent HFrEF is defined as follow‐up LVEF <40% and no improvement or worsening of LVEF from baseline. EF indicates ejection fraction; LS, longitudinal strain; LVESD, left ventricular end‐systolic dimension; NICM, nonischemic cardiomyopathy.