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Intestinal failure is decreased intestinal function such that nutrients, water, and electrolytes are not sufficiently absorbed. Short bowel syndrome is when there is less than 2 m (6.6 ft) of working bowel and is the most common cause of intestinal failure. [3]
SMA syndrome is also known as Wilkie's syndrome, cast syndrome, mesenteric root syndrome, chronic duodenal ileus and intermittent arterio-mesenteric occlusion. [3] It is distinct from nutcracker syndrome, which is the entrapment of the left renal vein between the AA and the SMA, although it is possible to be diagnosed with both conditions. [4]
Narcotic bowel syndrome (NBS)/ Opioid-induced GI hyperalgesia ... Abnormal motility ... and pain may delay gastric emptying, decrease intestinal and colonic transit ...
Gastrointestinal motility disorders occur when the digestive tract, especially its muscles or nerves, malfunctions. They are sometimes treated by physicians with subspecialty training in neurogastroenterology.
The enteric nervous system directly controls the gut motility, whereas the extrinsic nerve pathways influence gut contractility indirectly through modifying this enteric innervation. [3] In almost all cases of neurogenic bowel dysfunction it is the extrinsic nervous supply affected and the enteric nervous supply remains intact.
Obstructed defecation syndrome (abbreviated as ODS, with many synonymous terms) is a major cause of functional constipation (primary constipation), [18] of which it is considered a subtype. [19] It is characterized by difficult and/or incomplete emptying of the rectum with or without an actual reduction in the number of bowel movements per week ...
Intestinal pseudo-obstruction (IPO) is a clinical syndrome caused by severe impairment in the ability of the intestines to push food through. It is characterized by the signs and symptoms of intestinal obstruction without any lesion in the intestinal lumen. [ 1 ]
[2] [19] It is not associated with abdominal pain, thus distinguishing it from irritable bowel syndrome. [2] It is the most common kind of constipation, and is often multifactorial. [18] [20] In adults, such primary causes include: dietary choices such as insufficient dietary fiber or fluid intake, or behavioral causes such as decreased ...