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Updated: Jun 17, 2025
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Published on: March 24, 2023
Advanced Fibrosis in Metabolic Dysfunction-Associated Steatotic Liver Disease Is Independently Associated With
Carolina Villarroel1, Gres Karim2, Mantej Sehmbhi3
1Department of Medicine, Mount Sinai Beth Israel Medical Center, Icahn School of Medicine at Mount Sinai, New York, New York.
Background And Aims:
The large global population of patients with metabolic dysfunction-associated steatotic liver disease (MASLD) has recently been shown to have an association with chronic kidney disease (CKD) due to a host of proposed mechanisms, one of which being lipoprotein dysmetabolism. Furthermore, metabolic comorbidities have been concurrently prevalent in MASLD and CKD independently. This study aimed at analyzing risk and predictive traits among an obese population for both MASLD and CKD.
Methods:
A retrospective chart review of 546 obese patients with a diagnosis of either MASLD or metabolic dysfunction-associated steatohepatitis between January 2020 and June 2021 was performed. Markers of liver and kidney function in addition to demographic data and renoprotective medications were recorded. Both univariable and multivariable linear regression analyses were performed to understand possible associations between MASLD markers, renal function, and markers of metabolic derangements.
Results:
Univariate analysis revealed that increased age (P < .001), elevated alanine aminotransferase (defined as alanine aminotransferase ≥ 30 IU/L, P = .01), low albumin (P = .011), and increasing fibrosis-4 (FIB-4) (P = .005) were statistically associated with a reduced renal function. A reduction in glomerular filtration was associated with an increase in FIB-4 (effect size [beta] of a one-unit increase in glomerular filtration on FIB-4 = -0.013, P < .001) in univariate linear regression. In multivariate linear regression, type 2 diabetes (T2D) was independently associated with increased liver fibrosis (effect size of T2D on FIB-4 = 0.387925, P < .02).
Conclusion:
Our study shows that in a patient population with obesity and a diagnosis of MASLD, advanced fibrosis is independently associated with reduced renal function.
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