Relationship between sarcopenia and nonalcoholic fatty liver disease: The Korean Sarcopenic Obesity Study

Ho Cheol Hong, Soon Young Hwang, Hae Yoon Choi, Hye-Jin Yoo, Ji A Seo, Sin Gon Kim, Nan Hee Kim, Sei-Hyun Baik, Dong Seop Choi, Kyung Mook Choi

Research output: Contribution to journalArticle

131 Citations (Scopus)

Abstract

Previous studies have shown that nonalcoholic fatty liver disease (NAFLD) and sarcopenia may share pathophysiological mechanisms, such as insulin resistance, inflammation, vitamin D deficiency, and decreased physical activity. However, their direct relationship has not been investigated. The association between NAFLD and sarcopenia was examined in 452 apparently healthy adults enrolled in the Korean Sarcopenic Obesity Study (KSOS), an ongoing prospective observational cohort study. The liver attenuation index (LAI), which was measured using abdominal computed tomography (CT), was used as a parameter for the diagnosis of NAFLD. Sarcopenia was defined using a skeletal muscle mass index (SMI) [SMI (%) = total skeletal muscle mass (kg) / weight (kg) × 100] that was measured by dual energy X-ray absorptiometry (DXA). After adjusting for age and sex, both SMI and LAI were negatively correlated with the homeostasis model assessment of insulin resistance (HOMA-IR) (P < 0.001) and high sensitivity C-reactive protein (hsCRP) (P < 0.001) as well as brachial-ankle pulse wave velocity (baPWV), an indicator of arterial stiffness. Furthermore, SMI and LAI had positive relationships with high-density lipoprotein (HDL)-cholesterol, but both had a negative relationship with triglyceride, alanine aminotransferase (ALT), and total body fat. In a multiple logistic regression analysis, the odds ratio for NAFLD risk was 5.16 (95% confidence interval [CI] = 1.63-16.33) in the lowest quartile of SMI compared to the highest after adjusting for potential confounding factors. Conclusion: Individuals with lower muscle mass exhibited increased risk of NAFLD. This result may provide a novel insight into the mechanism linking between sarcopenia and NAFLD.

Original languageEnglish
Pages (from-to)1772-1778
Number of pages7
JournalHepatology
Volume59
Issue number5
DOIs
Publication statusPublished - 2014 Jan 1

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Sarcopenia
Skeletal Muscle
Obesity
Insulin Resistance
Liver
Pulse Wave Analysis
Vascular Stiffness
Vitamin D Deficiency
Photon Absorptiometry
Alanine Transaminase
Ankle
C-Reactive Protein
HDL Cholesterol
Observational Studies
Non-alcoholic Fatty Liver Disease
Adipose Tissue
Triglycerides
Arm
Homeostasis
Cohort Studies

ASJC Scopus subject areas

  • Hepatology

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Relationship between sarcopenia and nonalcoholic fatty liver disease : The Korean Sarcopenic Obesity Study. / Hong, Ho Cheol; Hwang, Soon Young; Choi, Hae Yoon; Yoo, Hye-Jin; Seo, Ji A; Kim, Sin Gon; Kim, Nan Hee; Baik, Sei-Hyun; Choi, Dong Seop; Choi, Kyung Mook.

In: Hepatology, Vol. 59, No. 5, 01.01.2014, p. 1772-1778.

Research output: Contribution to journalArticle

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AU - Seo, Ji A

AU - Kim, Sin Gon

AU - Kim, Nan Hee

AU - Baik, Sei-Hyun

AU - Choi, Dong Seop

AU - Choi, Kyung Mook

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