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Visceral Obesity and Insulin Resistance as Risk Factors for Colorectal Adenoma: A Cross-Sectional, Case-Control Study

Cited 98 time in Web of Science Cited 111 time in Scopus
Authors
Kang, Hyoun Woo; Kim, Donghee; Kim, Hwa Jung; Kim, Chung Hyeon; Park, Min Jung; Cho, Sang-Heon; Jung, Hyun Chae; Song, In Sung; Lee, Hyo-Suk; Sung, Myung-Whun; Kim, Joo Sung; Kim, Young Sun
Issue Date
2010-01
Publisher
NATURE PUBLISHING GROUP
Citation
AMERICAN JOURNAL OF GASTROENTEROLOGY; Vol.105 1; 178-187
Abstract
OBJECTIVES: Colorectal adenoma is known to be associated with obesity, but the association between colorectal adenoma and visceral adipose tissue (VAT) area measured by abdominal computed tomography (CT) has not been documented clearly. In addition, the relationship between insulin resistance and colorectal adenomas, which underlies the mechanism that links obesity and colorectal adenoma, has not been studied extensively. The aim of this study was to examine VAT area and insulin resistance as risk factors of colorectal adenoma. METHODS: A cross-sectional, case-control study was conducted in Koreans that presented for health check-ups. Subjects underwent various laboratory tests, abdominal CT, and colonoscopy. VAT, subcutaneous adipose tissue (SAT), and homeostatic metabolic assessment (HOMA) index were evaluated as potential risk factors of colorectal adenoma in 2,244 age- and sex-matched subjects. RESULTS: According to univariate analysis, the prevalences of smoking, hypertension, metabolic syndrome, and family history of colorectal cancer were higher in the adenoma group than in the normal control group. In addition, body mass index, waist circumference, triglyceride, high-density lipoprotein cholesterol, and VAT and SAT areas were significantly different in the two groups. According to the multivariate analysis adjusted for multiple confounders, VAT area was independently associated with the risk of colorectal adenoma (odds ratio (OR) = 3.09, 95 % confidence interval (CI): 2.19-4.36, highest quintile vs. lowest quintile). Mean HOMA index was higher in the adenoma group than in the control group (OR = 1.99, 95 % CI: 1.35-2.92, highest vs. lowest quintile). CONCLUSIONS: Visceral obesity was found to be an independent risk factor of colorectal adenoma, and insulin resistance was associated with the presence of colorectal adenoma. Am J Gastroenterol 2010; 105: 178-187; doi:10.1038/ajg.2009.541; published online 15 September 2009
ISSN
0002-9270
Language
English
URI
https://hdl.handle.net/10371/76558
DOI
https://doi.org/10.1038/ajg.2009.541
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College of Medicine/School of Medicine (의과대학/대학원)Internal Medicine (내과학전공)Journal Papers (저널논문_내과학전공)
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