Association of Visceral Fat Obesity, Sarcopenia, and Myosteatosis with Non-Alcoholic Fatty Liver Disease without Obesity

Background/Aims To investigate whether non-alcoholic fatty liver disease (NAFLD) in individuals without generalized obesity is associated with visceral fat obesity (VFO), sarcopenia, and/or myosteatosis. Methods This cross-sectional analysis included 14,400 individuals (7,470 men) who underwent abdo...

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Main Authors: Hong-Kyu Kim, Sung-Jin Bae, Min Jung Lee, Eun Hee Kim, Hana Park, Hwi Seung Kim, Yun Kyung Cho, Chang Hee Jung, Woo Je Lee, Jaewon Choe
Format: Article
Language:English
Published: Korean Association for the Study of the Liver 2023-10-01
Series:Clinical and Molecular Hepatology
Subjects:
Online Access:http://e-cmh.org/upload/pdf/cmh-2023-0035.pdf
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author Hong-Kyu Kim
Sung-Jin Bae
Min Jung Lee
Eun Hee Kim
Hana Park
Hwi Seung Kim
Yun Kyung Cho
Chang Hee Jung
Woo Je Lee
Jaewon Choe
author_facet Hong-Kyu Kim
Sung-Jin Bae
Min Jung Lee
Eun Hee Kim
Hana Park
Hwi Seung Kim
Yun Kyung Cho
Chang Hee Jung
Woo Je Lee
Jaewon Choe
author_sort Hong-Kyu Kim
collection DOAJ
description Background/Aims To investigate whether non-alcoholic fatty liver disease (NAFLD) in individuals without generalized obesity is associated with visceral fat obesity (VFO), sarcopenia, and/or myosteatosis. Methods This cross-sectional analysis included 14,400 individuals (7,470 men) who underwent abdominal computed tomography scans during routine health examinations. The total abdominal muscle area (TAMA) and skeletal muscle area (SMA) at the 3rd lumbar vertebral level were measured. The SMA was divided into the normal attenuation muscle area (NAMA) and low attenuation muscle area, and the NAMA/TAMA index was calculated. VFO was defined by visceral to subcutaneous fat ratio, sarcopenia by body mass index-adjusted SMA, and myosteatosis by the NAMA/TAMA index. NAFLD was diagnosed with ultrasonography. Results Of the 14,400 individuals, 4,748 (33.0%) had NAFLD, and the prevalence of NAFLD among non-obese individuals was 21.4%. In regression analysis, both sarcopenia (men: odds ratio [OR] 1.41, 95% confidence interval [CI] 1.19–1.67, P<0.001; women: OR=1.59, 95% CI 1.40–1.90, P<0.001) and myosteatosis (men: OR=1.24, 95% CI 1.02–1.50, P=0,028; women: OR=1.23, 95% CI 1.04–1.46, P=0.017) were significantly associated with non-obese NAFLD after considering for VFO and other various risk factors, whereas VFO (men: OR=3.97, 95% CI 3.43–4.59 [adjusted for sarcopenia], OR 3.98, 95% CI 3.44–4.60 [adjusted for myosteatosis]; women: OR=5.42, 95% CI 4.53–6.42 [adjusted for sarcopenia], OR=5.33, 95% CI 4.51–6.31 [adjusted for myosteatosis]; all P<0.001) was strongly associated with non-obese NAFLD after adjustment with various known risk factors. Conclusions In addition to VFO, sarcopenia and/or myosteatosis were significantly associated with non-obese NAFLD.
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spelling doaj.art-085f74ac7dbd4c8285d85febc4674f3c2023-10-12T07:11:59ZengKorean Association for the Study of the LiverClinical and Molecular Hepatology2287-27282287-285X2023-10-01294987100110.3350/cmh.2023.00351838Association of Visceral Fat Obesity, Sarcopenia, and Myosteatosis with Non-Alcoholic Fatty Liver Disease without ObesityHong-Kyu Kim0Sung-Jin Bae1Min Jung Lee2Eun Hee Kim3Hana Park4Hwi Seung Kim5Yun Kyung Cho6Chang Hee Jung7Woo Je Lee8Jaewon Choe9 Subdivision of Endocrinology and Metabolism, Health Screening and Promotion Center, Asan Medical Center, Seoul, Korea Subdivision of Endocrinology and Metabolism, Health Screening and Promotion Center, Asan Medical Center, Seoul, Korea Subdivision of Endocrinology and Metabolism, Health Screening and Promotion Center, Asan Medical Center, Seoul, Korea Subdivision of Endocrinology and Metabolism, Health Screening and Promotion Center, Asan Medical Center, Seoul, Korea Subdivision of Gastroenterology and Hepatology, Health Screening and Promotion Center, Asan Medical Center, Seoul, Korea Division of Endocrinology and Metabolism, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea Division of Endocrinology and Metabolism, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea Division of Endocrinology and Metabolism, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea Division of Endocrinology and Metabolism, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea Subdivision of Gastroenterology and Hepatology, Health Screening and Promotion Center, Asan Medical Center, Seoul, KoreaBackground/Aims To investigate whether non-alcoholic fatty liver disease (NAFLD) in individuals without generalized obesity is associated with visceral fat obesity (VFO), sarcopenia, and/or myosteatosis. Methods This cross-sectional analysis included 14,400 individuals (7,470 men) who underwent abdominal computed tomography scans during routine health examinations. The total abdominal muscle area (TAMA) and skeletal muscle area (SMA) at the 3rd lumbar vertebral level were measured. The SMA was divided into the normal attenuation muscle area (NAMA) and low attenuation muscle area, and the NAMA/TAMA index was calculated. VFO was defined by visceral to subcutaneous fat ratio, sarcopenia by body mass index-adjusted SMA, and myosteatosis by the NAMA/TAMA index. NAFLD was diagnosed with ultrasonography. Results Of the 14,400 individuals, 4,748 (33.0%) had NAFLD, and the prevalence of NAFLD among non-obese individuals was 21.4%. In regression analysis, both sarcopenia (men: odds ratio [OR] 1.41, 95% confidence interval [CI] 1.19–1.67, P<0.001; women: OR=1.59, 95% CI 1.40–1.90, P<0.001) and myosteatosis (men: OR=1.24, 95% CI 1.02–1.50, P=0,028; women: OR=1.23, 95% CI 1.04–1.46, P=0.017) were significantly associated with non-obese NAFLD after considering for VFO and other various risk factors, whereas VFO (men: OR=3.97, 95% CI 3.43–4.59 [adjusted for sarcopenia], OR 3.98, 95% CI 3.44–4.60 [adjusted for myosteatosis]; women: OR=5.42, 95% CI 4.53–6.42 [adjusted for sarcopenia], OR=5.33, 95% CI 4.51–6.31 [adjusted for myosteatosis]; all P<0.001) was strongly associated with non-obese NAFLD after adjustment with various known risk factors. Conclusions In addition to VFO, sarcopenia and/or myosteatosis were significantly associated with non-obese NAFLD.http://e-cmh.org/upload/pdf/cmh-2023-0035.pdfnon-alcoholic fatty liver diseaseabdominal obesitysarcopeniamyosteatosis
spellingShingle Hong-Kyu Kim
Sung-Jin Bae
Min Jung Lee
Eun Hee Kim
Hana Park
Hwi Seung Kim
Yun Kyung Cho
Chang Hee Jung
Woo Je Lee
Jaewon Choe
Association of Visceral Fat Obesity, Sarcopenia, and Myosteatosis with Non-Alcoholic Fatty Liver Disease without Obesity
Clinical and Molecular Hepatology
non-alcoholic fatty liver disease
abdominal obesity
sarcopenia
myosteatosis
title Association of Visceral Fat Obesity, Sarcopenia, and Myosteatosis with Non-Alcoholic Fatty Liver Disease without Obesity
title_full Association of Visceral Fat Obesity, Sarcopenia, and Myosteatosis with Non-Alcoholic Fatty Liver Disease without Obesity
title_fullStr Association of Visceral Fat Obesity, Sarcopenia, and Myosteatosis with Non-Alcoholic Fatty Liver Disease without Obesity
title_full_unstemmed Association of Visceral Fat Obesity, Sarcopenia, and Myosteatosis with Non-Alcoholic Fatty Liver Disease without Obesity
title_short Association of Visceral Fat Obesity, Sarcopenia, and Myosteatosis with Non-Alcoholic Fatty Liver Disease without Obesity
title_sort association of visceral fat obesity sarcopenia and myosteatosis with non alcoholic fatty liver disease without obesity
topic non-alcoholic fatty liver disease
abdominal obesity
sarcopenia
myosteatosis
url http://e-cmh.org/upload/pdf/cmh-2023-0035.pdf
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