Hydrogen and Methane-Based Breath Testing in Gastrointestinal Disorders: The North American Consensus

Breath tests (BTs) are important for the diagnosis of carbohydrate maldigestion syndromes and small intestinal bacterial overgrowth (SIBO). However, standardization is lacking regarding indications for testing, test methodology and interpretation of results. A consensus meeting of experts was convened to develop guidelines for clinicians and research.Pre-meeting survey questions encompassing five domains; indications, preparation, performance,...