Evaluation of LVDD by CCTA with Dual-source CT in Type 2 Diabetes Mellitus Patients

(E-pub Ahead of Print)

Author(s): Zengfa Huang, Jianwei Xiao, Zuoqin Li, Yun Hu, Yuanliang Xie, Shutong Zhang, Xiang Wang*.

Journal Name: Current Medical Imaging
Formerly: Current Medical Imaging Reviews

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Background: Left ventricular diastolic dysfunction (LVDD) is a common abnormality among patients in T2DM.

Introduction: We aimed to evaluate the feasibility of coronary computed tomography angiography (CCTA) for the assessment of LVDD in type 2 diabetes mellitus (T2DM) patients.

Methods: 80 consecutive T2DM patients who were referred for a clinically dual-source CCTA examination to evaluate suspected coronary artery disease and also underwent 2D echocardiography within 7 days of CCTA.inclusion and exclusion criteria, were performed. Correlation between CCTA and echocardiography was tested through linear regression and Bland-Altman analysis.

Results: In total, 60 T2DM patients were included for the analysis. Pearson correlation showed good correlation for E (r = 0.28; P = 0.028), E/A (r = 0.69; P < 0.01); E (r = -0.06; P = 0.776), E/A (r = 0.54; P = 0.003) and E (r = 0.64; P < 0.01),

E/A (r = 0.83; P < 0.01) in three groups, respectively. Overall, diagnostic accuracy for assessment in CCTA of diastolic dysfunction was 79.76% (95% CI: 68%-91%), 71.43% (95% CI: 58%-85%) and 87.50 (95% CI: 79%-96%) in three groups.

Conclusion: The presented study proved that CCTA showed good correlations in the estimation of LV filling pressures compared with echocardiography in T2DM patients. Accordingly, retrospectively ECG-gated CCTA may provide valuable information on the evaluation of LVDD in T2DM patients.

Keywords: Coronary Computed Tomography Angiography, Left Ventricular, Diastolic Dysfunction, Echocardiography, Type 2 Diabetes Mellitus

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(E-pub Ahead of Print)
DOI: 10.2174/1573405615666191126101454