Effect of aerobic exercise and diet on liver fat in pre-diabetic patients with non-alcoholic-fatty-liver-disease : a randomized controlled trial
Cheng, Sulin; Ge, Jun; Zhao, Can; Le, Shenglong; Yang, Yifan; Ke, Dandan; Wu, Na; Tan, Xiao; Zhang, Xiaobo; Du, Xiaming; Sun, Jianqin; Wang, Renwei; Shi, Yongyong; Borra, Ronald J. H.; Parkkola, Riitta; Wiklund, Petri; Lu, Dajiang (2017-11-21)
Cheng, S., Ge, J., Zhao, C., Le, S., Yang, Y., Ke, D., Wu, N., Tan, X., Zhang, X., Du, X., Sun, J., Wang, R., Shi, Y., Borra, R., Parkkola, R., Wiklund, P., Lu, D. (2017) Effect of aerobic exercise and diet on liver fat in pre-diabetic patients with non-alcoholic-fatty-liver-disease: A randomized controlled trial. Scientific Reports, 7 (1), 15952. doi:10.1038/s41598-017-16159-x
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The study aimed to assess whether aerobic exercise (AEx) training and a fibre-enriched diet can reduce hepatic fat content (HFC) and increase glycaemic control in pre-diabetic patients with non-alcoholic fatty liver disease (NAFLD). Six-hundred-and-three patients from seven clinics in Yangpu district, Shanghai, China were recruited. Of them 115 individuals aged 50–65-year fulfilled the inclusion criteria (NAFLD with impaired fasting glucose or impaired glucose tolerance) and were randomly assigned into exercise (AEx n = 29), diet (Diet n = 28), exercise plus diet (AED n = 29), or no-intervention (NI n = 29) groups. Progressive supervised AEx training (60–75% VO2max intensity) was given 2–3 times/week in 30–60 min/sessions, and the diet intervention was provided as lunch with 38% carbohydrate and diet fibre of 12 g/day for 8.6-month. HFC was assessed by 1H MRS. We found that HFC was significantly reduced in the AEx (−24.4%), diet (−23.2%), and AED (−47.9%) groups by contrast to the 20.9% increase in the NI group (p = 0.001 for all) after intervention. However, only AED group significantly decreased HbA1c (−4.4%, p = 0.01) compared with the NI group (−0.6%). Aerobic exercise training combined with fibre-enriched diet can reduce HFC more effectively than either exercise or increased fibre-intake alone in pre-diabetic patients with NAFLD.
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