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Scand J Gastroenterol. 2012 May;47(5):493-8. doi: 10.3109/00365521.2012.668932. Epub 2012 Mar 15.

Erosive esophagitis may be related to small intestinal bacterial overgrowth.

Author information

1
Department of Family Practice and Community Health, Ajou University School of Medicine, Suwon, Republic of Korea.

Abstract

OBJECTIVES:

Erosive esophagitis (EE) may be related to small intestinal bacterial overgrowth (SIBO) because gastro-esophageal reflux disease has been a comorbid condition of irritable bowel syndrome (IBS), which has been associated with SIBO. We conducted a pilot study to investigate whether EE was associated with SIBO.

MATERIAL AND METHODS:

Twenty-eight patients with EE according to the Los Angeles classification criteria and 29 sex- and age-matched subjects without EE were enrolled. All subjects underwent esophagogastroduodenoscopy and a lactulose hydrogen breath test. A peak of Hâ‚‚ values >20 ppm above the basal value after 10 g of lactulose ingestion was considered abnormal and suggestive of SIBO.

RESULTS:

Abnormal lactulose hydrogen breath test results were found in 67% of EE patients, as compared with 37% in the control group; the difference was statistically significant (p = 0.024). Among the subjects without IBS, subjects with EE and controls had 65% and 31% abnormal lactulose hydrogen breath test results, respectively; the difference was also statistically significant (p = 0.032).

CONCLUSIONS:

Subjects with EE had a higher prevalence of SIBO, as assessed by the lactulose hydrogen breath test, with respect to a control group. These findings may suggest that EE is associated with SIBO.

PMID:
22416969
DOI:
10.3109/00365521.2012.668932
[Indexed for MEDLINE]

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