Gestational Diabetes Mellitus Is Strongly Associated With Non-Alcoholic Fatty Liver Disease.

Ajmera VH, Gunderson EP, VanWagner LB, Lewis CE, Carr JJ, Terrault NA
Am J Gastroenterol. 2016 111 (5): 658-64

PMID: 27002796 · PMCID: PMC4860097 · DOI:10.1038/ajg.2016.57

OBJECTIVES - Insulin resistance is central to the development of non-alcoholic fatty liver disease (NAFLD), and gestational diabetes mellitus (GDM) is an early marker of insulin resistance. We hypothesized that a history of GDM would identify women at higher risk of NAFLD in middle age.

METHODS - Women from the multicenter Coronary Artery Risk Development in Young Adults (CARDIA) cohort study who delivered ≥1 birth, were free of diabetes prior to pregnancy(ies), and underwent CT quantification of hepatic steatosis 25 years following cohort entry (Y25: 2010-2011) were included (n=1,115). History of GDM by self-report, validated in a subsample by review of antenatal glucose testing, and metabolic risk factors were assessed prospectively. NAFLD was defined by liver attenuation (LA)≤40 Hounsfield Units on CT scan after exclusion of other causes of hepatic steatosis.

RESULTS - Of 1,115 women meeting selection criteria (57% black, 43% white, median age 25 years at baseline), 124 (11%) reported a history of GDM and 75 (7%) met the CT definition for NAFLD at year 25. The crude risk of NAFLD at the 25-year visit was significantly higher in women with GDM compared to those without (14 vs. 5.8%, OR: 2.56, 95% CI: 1.44-4.55, P<0.01). History of GDM remained associated with NAFLD (OR: 2.29, 95% CI: 1.23-4.27, P=0.01) after adjustment for covariates in multivariable logistic regression. Addition of incident diabetes mellitus (DM) into the final model attenuated the association between GDM and NAFLD (OR: 1.48, 95% CI: 0.73-3.02, P=0.28).

CONCLUSION - GDM is a risk marker for NAFLD and represents an opportunity to identify women at risk for NAFLD at a young age and may be mediated by the development of incident DM.

MeSH Terms (13)

Adult Cohort Studies Diabetes, Gestational Diabetes Complications Female Humans Middle Aged Non-alcoholic Fatty Liver Disease Pregnancy Prevalence Risk Factors Time Factors Young Adult

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