To compare the HOMA-IR and metabolic profile in lean and obese subjects with non-alcoholic fatty liver disease

Author:

Nair Meenu C.,Stanley Lanord,Sivan Gisha,Kumar Janardanan Subramonia

Abstract

Abstract Background and objective Non-alcoholic fatty liver disease (NAFLD) is primarily perceived as a condition prevalent among obese individuals. Its pathogenesis is closely intertwined with metabolic syndrome components. However, the association between insulin resistance and NAFLD in nonobese individuals remains ambiguous. Observational studies have scrutinized the prevalence of insulin resistance and metabolic syndrome in lean NAFLD patients. Materials and methods This is an observational study, and NAFLD screening was carried out among inpatient and outpatient attendees at SRM Medical College’s General Medicine Department. Out of 200 screened patients meeting inclusion and exclusion criteria, 80 were diagnosed with non-alcoholic fatty liver disease (NAFLD). The assessment of metabolic syndrome was performed using the NCEP-ATP III criteria, allowing for comparison between groups concerning insulin resistance and metabolic parameters. Results Among NAFLD patients, those in the obese age group exhibited a higher prevalence of hypertension (57.8%; p < 0.001) and metabolic syndrome (75.6%; p < 0.0001). The lean NAFLD group showed elevated HOMA-IR levels (4.16) compared to obese NAFLD patients (2.92), with a significant statistical disparity (p < 0.0001). Additionally, the HSI value significantly increased in obese NAFLD patients (p < 0.00001). Conclusion Insulin resistance, a key factor in metabolic syndrome, is prevalent in lean individuals with non-alcoholic fatty liver disease (NAFLD), playing a pivotal role in its development. This resistance, linked to metabolic syndrome, promotes hepatic triglyceride and fatty acid accumulation, leading to NAFLD. Moreover, insulin resistance correlates significantly with weight gain in NAFLD patients.

Publisher

Springer Science and Business Media LLC

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