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  • Title: Evaluation of left atrial function in type 2 diabetes mellitus patients with nonalcoholic fatty liver disease by two-dimensional speckle tracking echocardiography.
    Author: Chang W, Wang Y, Sun L, Yu D, Li Y, Li G.
    Journal: Echocardiography; 2019 Jul; 36(7):1290-1297. PubMed ID: 31206765.
    Abstract:
    OBJECTIVE: To assess left atrial function in type 2 diabetes mellitus (T2DM) patients with nonalcoholic fatty liver disease (NAFLD) by two-dimensional speckle tracking echocardiography (2D-STE). METHODS: We classified 97 patients with T2DM into three groups according to the results of liver ultrasonography: group A (without NAFLD), group B (mild fatty liver), and group C (moderate to severe fatty liver). Conventional echocardiography parameters included left atrial end-systolic diameter (LAD), left ventricular end-systolic and end-diastolic diameter (LVDs, LVDd), end-diastolic thickness of ventricular septumi and LV posterior wall (IVSTd, LVPWTd), peak E and A of mitralis (E, A), septal and lateral early (e') mitral annular diastolic tissue velocities, then calculated E/A and E/mean e'. We measured LV ejection fraction (LVEF) and left atrial (LA) volumes (max, min, and preatrial contraction volume) by Simpson's rule, then calculated LA passive and active ejection fraction (LAPEF, LAAEF), left atrial maximum volume index (LAVImax). The global peak longitudinal systolic strain (LASRs), early diastolic strain (LASRe), and late diastolic strain (LASRa) rates of the LA were obtained by 2D-STE. RESULTS: No differences were found between groups A and B (all P > 0.05). In group C, LAAEF and LASRa were obviously higher, while LAPEF, LASRe, and LASRs were obviously decreased compared with those values in groups A and B (all P < 0.05). The association between the severity of NAFLD and the differences in LA strain values remained significant after adjustment for confounders. CONCLUSION: Two-dimensional speckle tracking echocardiography can evaluate the left atrial function in T2DM patients with NAFLD.
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