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The association between metabolic dysfunction-associated fatty liver disease and chronic kidney disease: A systematic
Nenny Agustanti1, Nanny Natalia Mulyani Soetedjo2, Fachreza Aryo Damara3
1Division of Gastroenterohepatology, Department of Internal Medicine, Faculty of Medicine, Universitas Padjadjaran - Dr Hasan Sadikin Hospital, Bandung, Indonesia.
Background And Aims:
The term metabolic dysfunction-associated fatty liver disease (MAFLD) has been established to better define patients with fatty liver disease who also present with metabolic dysfunction. However, the association between MAFLD and chronic-kidney disease (CKD) remains elusive.
Methods:
. We conducted systematic literature searching across multiple databases-PubMed, EMBASE, Cochrane library, and Google Scholar up until June 9th, 2022. The main exposure was the diagnosis of MAFLD and nonalcoholic fatty liver disease (NAFLD) regardless of the diagnostic modalities being used. The outcome of interest was the prevalence or the incidence of CKD.
Results:
There were 355,886 subjects from 11 included studies with the period of follow up of 4.6-6.5 years. Meta-analysis of cross-sectional studies showed that MAFLD was associated with a higher prevalent CKD (OR 1.50, 95%CI [1.02-2.23]; test for overall effect Z = 2.04, p = 0.04; I2 = 97.7%, p < 0.001) and incident CKD (adjusted HR 1.35, 95%CI [1.18-1.52]; test for overall effect Z = 15.47, p < 0.001; I2 = 84.6%, p < 0.001) and did not vary between age, sex, comorbidities, study region, and follow-up duration. No difference in CKD prevalence was found between MAFLD and NAFLD patients. Significant liver fibrosis, but not steatosis in was associated with greater odds of developing CKD. More severe MAFLD was also associated with higher odds of developing CKD.
Conclusion:
This present meta-analysis using a large population indicates a significant association between MAFLD and the prevalence and incidence of CKD.
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