• Ying-Lung Lin, Jui-Kun Chiang, Shih-Min Lin, and Chih-En Tseng.
• Department of Family Medicine, Buddhist Dalin Tzu Chi General Hospital, Dalin, Chiayi 62247, Taiwan, China.
• World J. Gastroenterol. 2010 Aug 14; 16 (30): 3841-6.

AimTo investigate the association of colorectal adenomas with both Helicobacter pylori (H. pylori) infection and metabolic syndrome.MethodsUsing a cross-sectional hospital-based study, we analyzed physical examination data from 9311 healthy subjects with overnight physical examinations performed between January 2004 and December 2006. Examined data included gender, age, life style, anthropometric measurements, blood pressure, biochemical and hematological studies, H. pylori infection detected by esophagogastroduodenoscopy and biopsy urease tests, and colorectal adenomas detected with a complete total colonoscopy.ResultsThe prevalence values for H. pylori infection, metabolic syndrome, and colorectal adenoma were 39.2%, 18.7%, and 20.7%, respectively. Colorectal adenoma risk factors included male gender [odd ratio (OR): 2.005, 95% confidence interval (CI): 1.740-2.310, P < 0.001], advanced age (OR: 1.046, 95% CI: 1.040-1.052, P < 0.001), smoking (OR: 1.377, 95% CI: 1.146-1.654, P = 0.001), increased body fat (OR: 1.016, 95% CI: 1.007-1.026, P = 0.001), higher white blood cell count (OR: 1.038, 95% CI: 1.005-1.073, P = 0.025), H. pylori infection (OR: 1.366, 95% CI: 1.230-1.517, P < 0.001), and metabolic syndrome (OR: 1.408, 95% CI: 1.231-1.610, P < 0.001). In addition, concomitant H. pylori infection with metabolic syndrome further increased the probability of colorectal adenomas.ConclusionOur study revealed H. pylori infection with concomitant metabolic syndrome might further increase the risk of colorectal adenomas.

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