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Prognostic value of ratio of transmitral early filling velocity to early diastolic strain rate in patients with Type 2 diabetes

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AIMS: The ratio of early mitral inflow velocity to global diastolic strain rate (E/e'sr) has recently emerged as a novel measure of left ventricular filling pressure. E/e'sr has in previous studies demonstrated to have good prognostic value in various patient populations. The aim of this study is to investigate the prognostic value of E/e'sr in a large cohort of patients with Type 2 diabetes in relation to cardiovascular morbidity and mortality. METHODS AND RESULTS: In this prospective study, 848 Type 2 diabetic patients (mean age 63.6 ± 10.3 years, 64.7% male) underwent comprehensive echocardiographic examination including 2D speckle tracking in which E/e'sr along with novel and conventional echocardiographic variables were obtained. During follow-up (median: 4.8 years, interquartile range: 4.0-5.3), 122 (14.1%) met the composite outcome of cardiovascular disease, hospitalization, and mortality. Both E/e'sr and E/e' were significantly associated with the outcome [E/e'sr: hazard ratio (HR) 1.07, 95% confidence interval (CI): 1.05-1.10; P < 0.001, per 0.10 m increase] and (E/e': HR 1.07, 95% CI: 1.05-1.10; P = 0.001, per 1 unit increase). E/e'sr remained an independent predictor after multivariable adjustment for demographical, clinical, and echocardiographic parameters (HR 1.06, 95% CI: 1.01-1.12; P = 0.032, per 10 cm increase). The same was true for E/e' (HR 1.09, 95% CI: 1.04-1.14; P < 0.001, per 1 unit increase). Additionally, E/e'sr provided incremental prognostic information beyond the UK 'Prospective Diabetes Study risk engine' 0.72 (0.68-0.77) vs. 0.74 (0.70-79), P = 0.040. CONCLUSION: In patients with Type 2 diabetes, E/e'sr provides independent and incremental prognostic information regarding cardiovascular morbidity and mortality.

OriginalsprogEngelsk
TidsskriftEuropean heart journal cardiovascular Imaging
Vol/bind20
Udgave nummer10
Sider (fra-til)1171-1178
Antal sider8
ISSN1525-2167
DOI
StatusUdgivet - 1 okt. 2019

Bibliografisk note

Published on behalf of the European Society of Cardiology. All rights reserved. © The Author(s) 2019. For permissions, please email: journals.permissions@oup.com.

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