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Global burden of NAFLD and NASH: trends, predictions, risk factors and prevention

2017; Nature Portfolio; Volume: 15; Issue: 1 Linguagem: Inglês

10.1038/nrgastro.2017.109

1759-5053

Zobair M. Younossi, Quentin M. Anstee, M. Marietti, Timothy Hardy, Linda Henry, Mohammed Eslam, Jacob George, Elisabetta Bugianesi,

Liver Disease and Transplantation

NAFLD is growing in prevalence worldwide, and has emerged as a leading cause of end-stage liver disease in many countries. In this Review, the authors describe the global epidemiology of NAFLD, discuss associated risk factors and outline challenges for screening and management. NAFLD is one of the most important causes of liver disease worldwide and will probably emerge as the leading cause of end-stage liver disease in the coming decades, with the disease affecting both adults and children. The epidemiology and demographic characteristics of NAFLD vary worldwide, usually parallel to the prevalence of obesity, but a substantial proportion of patients are lean. The large number of patients with NAFLD with potential for progressive liver disease creates challenges for screening, as the diagnosis of NASH necessitates invasive liver biopsy. Furthermore, individuals with NAFLD have a high frequency of metabolic comorbidities and could place a growing strain on health-care systems from their need for management. While awaiting the development effective therapies, this disease warrants the attention of primary care physicians, specialists and health policy makers.