Journal
HEPATOLOGY INTERNATIONAL
Volume 16, Issue 2, Pages 269-281Publisher
SPRINGER
DOI: 10.1007/s12072-022-10319-6
Keywords
Echocardiography; Non-alcoholic fatty liver disease; Systolic dysfunction; Diastolic dysfunction; Structural heart disease; Liver disease severity; Diastolic indices; Systolic indices; Metabolic profile; Epicardial adipose thickness
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According to the results of this meta-analysis, non-alcoholic fatty liver disease (NAFLD) is associated with abnormalities in cardiac structure and function, including impaired systolic and diastolic function and changes in cardiac structure. Metabolic risk factors and liver disease severity are independently associated with worsening cardiac function.
Objective Several studies have documented a relationship between non-alcoholic fatty liver disease (NAFLD) and structural heart disease, particularly diastolic function. This meta-analysis will be the first to examine the echocardiographic-derived cardiac function and structural characteristics in NAFLD patients, and its association with liver disease severity and metabolic profile. Methods Medline and Embase were searched and pairwise meta-analysis was conducted in DerSimonian and Laird to obtain the odds ratio (OR) and mean difference (MD) for dichotomous and continuous variables, respectively, to compare the effects of NAFLD on the echocardiography parameters. Results Forty-one articles involving 33,891 patients underwent echocardiography. NAFLD patients had worse systolic indices with lower ejection fraction (EF, MD: - 0.693; 95% CI: - 1.112 to - 0.274; p = 0.001), and worse diastolic indices with higher E/e' (MD: 1.575; 95% CI: 0.924 to 2.227; p < 0.001) compared to non-NAFLD patients. NAFLD patients displayed increased left ventricular mass (LVM, MD: 34.484; 95% CI: 26.236 to 42.732; p < 0.001) and epicardial adipose thickness (EAT, MD: 0.1343; 95% CI: 0.055 to 0.214; p = 0.001). An increased severity of NAFLD was associated with worse diastolic indices (decreased E/A ratio, p = 0.007), but not with systolic indices. Conclusions NAFLD is associated with impaired systolic and diastolic function with changes in cardiac structure. Concomitant metabolic risk factors and liver disease severity are independently associated with worsening systolic and diastolic function. [GRAPHICS] .
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