[Small intestinal bacterial overgrowth in patients with functional gastrointestinal diseases].

Background: Recent studies have described a high percentage of small intestinal bacterial overgrowth (SIBO) in patients with irritable bowel syndrome (IBS). However, the prevalence of SIBO has not been well established in other functional disorders.

Aim: To evaluate the prevalence of SIBO in patients with different functional gastrointestinal disorders (FGID).