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The ODS may or may not co-exist with other functional bowel disorders, such as slow transit constipation or irritable bowel syndrome. [19] Of all cases of primary constipation, it is reported that 58% are dyssynergic defecation, 47% are slow transit constipation and 58% are irritable bowel syndrome. [ 21 ]
Bowel obstruction, also known as intestinal obstruction, is a mechanical or functional obstruction of the intestines which prevents the normal movement of the products of digestion. [2] [5] Either the small bowel or large bowel may be affected. [1] Signs and symptoms include abdominal pain, vomiting, bloating and not passing gas. [1]
This is a shortened version of the ninth chapter of the ICD-9: Diseases of the Digestive System. It covers ICD codes 520 to 579. The full chapter can be found on pages 301 to 328 of Volume 1, which contains all (sub)categories of the ICD-9. Volume 2 is an alphabetical index of Volume 1.
Generally, diseases outlined within the ICD-10 codes K55-K63 within Chapter XI: Diseases of the digestive system should be included in this category. Subcategories This category has the following 2 subcategories, out of 2 total.
However, instances with symptoms and signs of a bowel obstruction occur, but with the absence of a mechanical obstruction, mainly in acute colonic pseudo-obstruction, Ogilvie's syndrome. [3] In 2023 the US FDA reported gastrointestinal ileus as an adverse effect of the medication semaglutide , with frequency and causal relationship unknown.
Cecal bascule is a cause of large bowel obstruction where there is folding of the cecum anteriorly over the ascending colon. It is one of two types of cecal volvulus, the other being axial ileocolic. It is caused by rotational torsion of the cecum or ascending colon along its own axis.
Ogilvie syndrome, or acute colonic pseudo-obstruction, is the acute dilatation of the colon in the absence of any mechanical obstruction in severely ill patients. [ 1 ] Acute colonic pseudo-obstruction is characterized by massive dilatation of the cecum (diameter > 10 cm) and right colon on abdominal X-ray.
Mechanical causes of intestinal obstruction must be excluded to reach a diagnosis of pseudo-obstruction. Attempts must also be made to determine whether the IPO is the result of a primary or secondary condition. [15] A diagnostic work-up may include: [14] Gastric motility studies; Imaging studies: