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Decker RD , Ghiraldi EM , Weiss AH , Gaughan JP , Friedlander JI
Nonalcoholic Fatty Liver Disease (NAFLD) is an Independent Risk Factor for Nephrolithiasis in Women: Findings from NHANES III
J Endourol. 2020 Jul 28;34(12) :1258-1262
PMID: 32571100 URL: https://www.ncbi.nlm.nih.gov/pubmed/32571100
AbstractObjective To determine if radiologically diagnosed nonalcoholic fatty liver disease (NAFLD) is an independent risk factor for nephrolithiasis using data from National Health and Nutrition Examination Survey III (NHANES III). Patients and Methods NHANES III participants aged 20-74 years who underwent hepatobiliary ultrasound were classified as with NAFLD (moderate or severe hepatic steatosis in absence of other known causes of liver disease; n = 2,498) or without NAFLD (controls; n = 9,361). Risk of nephrolithiasis due to NAFLD was estimated using logistic regression with propensity score adjustment. Secondary outcomes included medical stone management, lithotripsy, and surgical stone removal. Results Participants with NAFLD were older (48.7 +/- 0.4 vs. 43.3 +/- 0.3 years, p < .001) and exhibited greater prevalence of all components of metabolic syndrome: obesity (48% vs. 21%), impaired glucose tolerance (17% vs. 11%), diabetes mellitus (15% vs. 6%), hypertension (36% vs. 24%), and gout (4% vs. 2%) (all p < .001). After adjusting for demographic, lifestyle, and metabolic factors, NAFLD was associated with increased risk nephrolithiasis (odds ratio, OR = 1.29, 95% confidence interval, CI [1.02, 1.61], p = .03). The association persisted in females (OR = 1.65, 95% CI [1.17, 2.32], p = .004) but not in males (OR = 1.04, 95% CI [0.77, 1.40], p = .80). NAFLD was not associated with increased occurrence of medical management (OR = 1.31, 95% CI [0.84, 2.05], p = .24), lithotripsy (OR = 1.61, 95% CI [0.83, 3.33], p = .20), or surgical stone removal (OR = 0.83, 95% CI [0.48, 1.44], p = .52). Conclusions In a large United States population-based cross-sectional analysis, NAFLD was found to be associated with increased risk of nephrolithiasis in women after adjusting for demographic, clinical, and metabolic factors.
Notes1557-900x Decker, Rourke Douglas Ghiraldi, Eric M Weiss, Alexandra H Gaughan, John P Friedlander, Justin I Journal Article United States J Endourol. 2020 Jun 22. doi: 10.1089/end.2020.0486.