Small intestinal motility

Purpose of review The aim of this article is to review recently published studies presenting novel and relevant information on small intestinal motility. Recent findings The reviewed studies covered a variety of topics with several themes emerging. The presentation and causes of chronic intestinal dysmotility continue to expand. Evidence continues to accrue that at least a subset of patients with severe Colonic inertia may have a more diffuse motility disorder highlighting the need for careful assessment prior to embarking on surgery for refractory constipation. While interest in bacterial overgrowth in irritable bowel syndrome continues, the utility and specificity of lactulose hydrogen breath testing is yet again being called into question. Methane appears to slow intestinal transit and constipation appears more common among methane-positive patients. The association is presently only correlative and further study is needed. Summary Small intestinal motility remains an understudied area. Recent publications provide additional new information related to physiology and pathophysiology of small bowel motility. These findings should be of interest to clinician and investigator alike.