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KMID : 1040620220280040790
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Clinical and Molecular Hepatology
2022 Volume.28 No. 4 p.790 ~ p.801
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Nonalcoholic fatty liver disease versus metabolic-associated fatty liver disease: Prevalence, outcomes and implications of a change in name
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Ng Cheng Han
Huang Daniel Q.
Nguyen Mindie H.
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Abstract
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Nonalcoholic fatty liver disease (NAFLD) affects about a third of the world’s adult population and is a major public health concern. NAFLD is defined by the presence of hepatic steatosis and the absence of other causes of liver disease. As NAFLD is closely associated with the presence of the metabolic syndrome, several experts have called for a change in nomenclature from NAFLD to metabolic-associated fatty liver disease (MAFLD) to better reflect the underlying pathophysiology of NAFLD as a metabolically driven disease and shift to a “positive” diagnostic criteria rather than one of exclusion. Recent studies have suggested that the global prevalence of MAFLD is higher than that of NAFLD, and patients with MAFLD have more metabolic comorbidities compared to those with NAFLD. Emerging data also suggest that all-cause and cardiovascular mortality may be higher in MAFLD compared with NAFLD. In this synopsis, we discuss differences in clinical features, prevalence and clinical outcomes between NAFLD and MAFLD. In addition, we highlight the advantages and disadvantages of a name change from NAFLD to MAFLD from the perspective of the scientific community, care providers and patients.
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KEYWORD
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Nonalcoholic fatty liver disease, Nonalcoholic steatohepatitis, Liver, Nonalcoholic fatty
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