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Abstract Objective To investigate the association of Tp- Te interval and its dispersion with main adverse cardiovascular events (MACE) in elderly patients with acute heart failure (AHF). Methods 102 cases of elderly patients with AHF were enrol ed. Of them, 30 cases had MACE (adverse event group), 72 had no MACE (non- adverse event group. Tp- Te interval, Tp- Te interval dispersion (Tp- Ted), left ventricular ejection fraction (LVEF), left ventricular end diastolic dimension (LVEDd) and end systolic dimension, NT- proBNP were compared between groups. Results Tp- Te interval, Tp- Ted and NT- proBNP were significantly higher and LVEF was significantly lower in adverse event group than non- adverse event group (al P<0.05). NT- proBNP and LVEDd were positively and LVEF was negatively correlated with Tp- Te interval and Tp- Ted (al P<0.05). Multivariable Logistic regression analysis showed that Tp- Te interval and Tp- Ted were positively correlated with MACE (P<0.05). Conclusion The risk of MACE increases in elderly patients with AHF as Tp- Te interval and Tp- Ted increase.
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