Life style modification improves insulin resistance and liver histology in patients with non-alcoholic fatty liver disease

查看全文 作　　者：Ganesh [1]Bhat;Chalamalasetty Sreenivasa [2]Baba;Amaresh [2]Pandey;Neeraj [3]Kumari;Gourdas [2]Choudhuri

机构地区：[1]Department of Gastroenterology, Kasturba Medical College, Manipal University, Manipal 576104, India;[2]Department of Gastroenterology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow 226014, India;[3]Department of Pathology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow 226014, India

出　　处：《World Journal of Hepatology》索引2012年第4卷第7期,共9页

摘　　要：AIM: To study the effect of regular aerobic exercise on insulin resistance, serum aminotransferase and liver histology in nonalcoholic fatty liver disease (NAFLD) patients. METHODS: Sixty (mean age 40.0 ± 8.5 years, 75% male) NAFLD patients were included in the study. After baseline anthropometric measurement i.e., body mass index (BMI), waist circumference (WC); all patients were advised regular aerobic exercise for 30 min/d, for at least 5 d/wk and trained to achieve around 70% of his maximal heart rate. In addition, moderately energy restricted diet was advised to patients with high BMI (> 25 kg/m 2 ). Monthly follow up was done by measuring BMI, WC, aspartate aminotransferase, and alanine aminotransferase (ALT). Insulin resistance was calculated using homeostasis model assessment (HOMA) of insulin resistance (HOMA-IR) model, at baseline and after 6mo. Insulin resistance was arbitrarily considered altered when it was ≥ 2. Liver biopsy was done in a section of patients at baseline and after 6 mo. RESULTS: Seventy percent (42/60) patients were overweight or obese; 95% (57/60) had central obesity (WC > 90 cm in men, > 80 cm in women). In the 45 exercise compliant patients insulin resistance decreased from 6.4 ± 6.1 to 1.3 ± 1.0, BMI from 26.7 ± 3.3 kg/m 2 to 25.0 ± 3.3 kg/m 2 , WC from 95.7 ± 8.9 cm to 90.8 ± 7.3 cm and ALT from 84.8 ± 43.5 U/L to 41.3 ± 18.2 U/L (P < 0.01). In 15 exercise noncompliant patient's insulin resistance, BMI, WC and ALT did not show significant change at 6 mo follow up. Six of 8 patients in compliant group on repeat liver biopsy showed significant change in steatosis and necroinflammation. Nonalcoholic steatohepatitis scores improved form 5.3 ± 1.5 to 3.35 ± 1.5. The decline in insulin resistance correlated with decline in ALT (P = 0.01, r s = 0.90) and liver histology (P = 0.03, r s = 0.73). CONCLUSION: Life style modification improves insulin resistance resulting in improvement in ALT and liver histology in NAFLD patients. 关键词：LIFESTYLE changes INSULIN resistance Metabolic syndrome NONALCOHOLIC STEATOHEPATITIS Liver HISTOLOGY

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Life style modification improves insulin resistance and liver histology in patients with non-alcoholic fatty liver disease

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