OBJECTIVES: Nonalcoholic Fatty Liver Disease (NAFLD) is thought to be a hepatic manifestation of Metabolic Syndrome (MS) or Insulin Resistance (IR). The aim of the study was to explore the clinical, anthropometric, metabolic, biochemical and histological profile of NAFLD patients without IR by comparing it with NAFLD with IR. METHODS: Total 851 patients with sonographic evidence of fatty liver were included. These patients underwent clinical, anthropometric, biochemical and histological evaluation. IR was calculated using the homeostatic model assessment. Liver biopsy done in 285 patients who consented for the procedure and who had MS or raised ALT. RESULTS: Among 851 NAFLD patients, 561(65.9%) patients were without IR and 290 (34.1%) patients were with IR. The proportion of male sex [230 (41.0%) vs. 89 (30.7%); P = 0.046] were higher but diabetes [19.10% vs. 39.0%; P = 0.000] and MS were [58.80%vs. 78.10%; P = 0.014] significantly lower in non IR group. Body Mass Index (BMI) kg/m2 and Waist Circumference (WC) in cm were also lower in non IR group: [26.6 ± 3.5 vs. 27.9 ± 4.3; P = 0.002] and [93.3 ± 8.4 vs. 95.9 ± 8.4; P = .003]. Lipid profile, ALT, AST and ALP were not differed between the groups. Histopathology reports revealed that lobular inflammation, ballooning and fibrosis were similar in two groups, only steatosis score was higher in IR group [2.0 ± 0.7 vs. 1.8 ± 0.8; P = 0.007]. CONCLUSION: There are significant proportion of NAFLD patients without IR in Bangladesh. NAFLD patients without IR predominantly male, had lower BMI, WC, MS and diabetes. Histologically NAFLD without IR equally severe with ballooning, lobular inflammation and fibrosis except steatosis. Insulin resistance is the principal but not the sole factor for NAFLD in our population.
OBJECTIVES: Nonalcoholic Fatty Liver Disease (NAFLD) is thought to be a hepatic manifestation of Metabolic Syndrome (MS) or Insulin Resistance (IR). The aim of the study was to explore the clinical, anthropometric, metabolic, biochemical and histological profile of NAFLD patients without IR by comparing it with NAFLD with IR. METHODS: Total 851 patients with sonographic evidence of fatty liver were included. These patients underwent clinical, anthropometric, biochemical and histological evaluation. IR was calculated using the homeostatic model assessment. Liver biopsy done in 285 patients who consented for the procedure and who had MS or raised ALT. RESULTS: Among 851 NAFLD patients, 561(65.9%) patients were without IR and 290 (34.1%) patients were with IR. The proportion of male sex [230 (41.0%) vs. 89 (30.7%); P = 0.046] were higher but diabetes [19.10% vs. 39.0%; P = 0.000] and MS were [58.80%vs. 78.10%; P = 0.014] significantly lower in non IR group. Body Mass Index (BMI) kg/m2 and Waist Circumference (WC) in cm were also lower in non IR group: [26.6 ± 3.5 vs. 27.9 ± 4.3; P = 0.002] and [93.3 ± 8.4 vs. 95.9 ± 8.4; P = .003]. Lipid profile, ALT, AST and ALP were not differed between the groups. Histopathology reports revealed that lobular inflammation, ballooning and fibrosis were similar in two groups, only steatosis score was higher in IR group [2.0 ± 0.7 vs. 1.8 ± 0.8; P = 0.007]. CONCLUSION: There are significant proportion of NAFLD patients without IR in Bangladesh. NAFLD patients without IR predominantly male, had lower BMI, WC, MS and diabetes. Histologically NAFLD without IR equally severe with ballooning, lobular inflammation and fibrosis except steatosis. Insulin resistance is the principal but not the sole factor for NAFLD in our population.
Entities:
Keywords:
BMI, Body Mass Index; Bangladesh; IR, Insulin Resistance; MS, Metabolic Syndrome; NAFLD, Nonalcoholic Fatty Liver Disease; WC, Waist Circumference; fatty liver; homeostatic model assessment (HOMA); insulin resistance; nonalcoholic fatty liver disease
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