IDDF2018-ABS-0192 The association between gastric polyps and colorectal neoplasia: a large prospective cross-sectional study

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Abstract

Background

Today, it is not clarified whether patients with gastric polyps without any alarming symptoms for colorectal neoplasia need colonoscopy screening. The objective of this study is to prospectively determine the association between gastric polyps and colorectal neoplasia.

Methods

A multicenter prospective cross-sectional study was performed from July 2012 to December 2014. We compared patients with and without gastric polyps for the prevalence of colorectal adenomas. The odds ratios (OR) were computed by logistic regression analysis after multivariable adjustments.

Results

Totally 1546 patients were included, with 770 patients in the gastric polyp group and 776 in the age- and sex-matched control group. Patients with gastric polyps had greater odds of having any colorectal adenoma (adjusted OR=2.36, 95% confidence interval [CI]: 1.81 to 3.09, p<0.001) and advanced colorectal adenomas (adjusted OR=2.74, 95% CI: 1.76 to 4.28, p<0.001) than those without. The positive association between gastric polyps and colorectal adenomas remained significant in both women (OR=2.34, 95% CI: 1.66 to 3.29, p<0.001) and men (OR=1.87, 95% CI: 1.31 to 2.66, p=0.001). Patients over the age of 40 with gastric polyps had a higher prevalence of colorectal adenomas than those without (40–49 year: OR=1.81, 95% CI=1.02–3.21, p=0.04; 50–59 year: OR=1.88, 95% CI=1.26–2.81, p<0.001; 60–74 year: OR=2.62, 95% CI=1.73–3.98, p<0.001).

Conclusions

The presence of gastric polyps is significantly associated with a higher prevalence of colorectal adenomas, especially advanced colorectal adenomas. Colonoscopy might be considered in patients with gastric polyps, of any gender, and over the age of 40.

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