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Effect of nutritional counselling on hepatic,muscle and adipose tissue fat content and distribution in non-alcoholic fatty liver disease

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World Journal of Gastroenterology 2006年第36期12卷 5813-5819页

作者： E Louise Thomas Audrey E Brynes Gavin Hamilton Nayna Patel Adam Spong Robert D Goldin Gary Frost Jimmy D Bell Simon D Taylor-Robinson The Robert Steiner MR Unit MRC Clinical Sciences Centre Department of Nutrition and Dietetics The Robert Steiner MR Unit MRC Clinical Sciences Centre Faculty of Medicine Imperial College London Hammersmith Hospital Du Cane Rd London W12 0HS United Kingdom and Histopathology Department Faculty of Medicine Imperial College London St Mary's Hospital Praed Street London W2 1NY United Kingdom Faculty of Medicine Faculty of Medicine Imperial College London St Mary's Hospital Praed Street London W2 1NY United Kingdom

AIM： To assess the effectiveness of the current UK clinical practice in reducing hepatic fat （IHCL）.METHODS： Whole body MRI and IH MRS were obtained, before and after 6 mo nutritional counselling, from liver, soleus and tibialis muscles in 10 subjects with non-alcoholic fatty liver disease （NAFLD）.RESULTS： A 500 Kcal-restricted diet resulted in an average weight loss of 4% （-3.4 kg,） accompanied by significant reductions in most adipose tissue （AT） depots, including subcutaneous （-9.9%）, abdominal subcutaneous （-10.2%） and intra-abdominal- AT （-11.4%）. intramyocellular lipids （IMCL） were significantly reduced in the tibialis muscle （-28.2%）. Decreases in both IHCL （-39.9%） and soleus IMCL （-12.2%） content were also observed, although these were not significant. Several individuals showed dramatic decreases in IHCL, while others paradoxically showed increases in IHCL content. Changes in body composition were accompanied by improvements in certain liver function tests： serum aspartate aminotransferase （AST） and alanine aminotransferase （ALT）. Significant correlations were found between decreases in IHCL and reductions in both intra-abdominal and abdominal subcutaneous AT. Improvements in liver function tests were associated with reductions in intra-abdominal AT, but not with changes in IHCL. CONCLUSION： This study shows that even a very modest reduction in body weight achieved through lifestyle modification can result in changes in body fat depots and improvements in LETs.

关键词： intra-abdominal adipose tissue intrahepatic fat intramyocellular lipids Weiqht loss Magnetic resonance imaging

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