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Prognostic value of LV long-axis versus short-axis systolic function in heart failure
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To the Editor: Grüner Sveälv et al recently found that left ventricular (LV) long-axis atrioventricular plane displacement (AVPD) in patients with heart failure (HF) was linearly correlated with short-axis fractional shortening (LVFS) in the lower range of AVPD, but not in the higher range of AVPD.1 They also observed that decreasing AVPD quartiles showed a stepwise association with worsening prognosis. Notably, a similar gradual association with outcome was less evident for LVFS, …