Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to ileus: postoperative ileus


Intestinal obstruction causing colic, vomiting, and constipation.

[Latin īleus, from Greek eileos, from eilein, to squeeze, hold in check; see wel- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Pathology) obstruction of the intestine, esp the ileum, by mechanical occlusion or as the result of distension of the bowel following loss of muscular action
[C18: from Latin īleos severe colic, from Greek eileos a rolling, twisting, from eilein to roll]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈɪl i əs)

intestinal obstruction characterized by lack of peristalsis and leading to severe colicky pain and vomiting.
[1700–10; < Latin īleus colic < Greek eileós, akin to eílein to roll]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ileus - blockage of the intestine (especially the ileum) that prevents the contents of the intestine from passing to the lower bowel
enteropathy - a disease of the intestinal tract
blockage, obstruction - the physical condition of blocking or filling a passage with an obstruction
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n íleo
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in classic literature ?
(53) Eustathius identifies Ileus with Oileus, father of Aias.
The results support the need for additional clinical research to determine whether coffee drinking might be an effective treatment for post-operative constipation, or ileus, in which the intestines quit working after abdominal surgery, the authors said.
[1] Clinical symptoms predominantly consist of diffuse abdominal pain but may also include features of nausea and vomiting, ileus, sepsis, and shock.
Gallstone ileus is a rare cause (1%-4% of cases) of mechanical small bowel obstruction.
Moreover, ileus and jaundice caused by gastrointestinal phytobezoars are described for the first time.
Motegrity is also contraindicated in patients with intestinal perforation or obstruction due to structural or functional disorder of the gut wall, obstructive ileus, severe inflammatory conditions of the intestinal tract such as Crohn's disease, ulcerative colitis and toxic megacolon/megarectum.
In addition to the above project, EA Pharma has also participated in the industry- academia-government joint project for commercialization of "acute liver failure treatment by the recombinant human hepatocyte growth factor," which was selected by AMED for Adaptable and Seamless Technology transfer Program through target driven R&D (AMED - A-STEP), as well as another project for "development of self- expanding biodegradable stents for the small intestine available for endoscopic stenting for treatment of benign disease-induced ileus," which was selected by AMED for its Development of Medical Devices through Collaboration between Medicine and Industry program.
The differential diagnosis includes bowel ischemia, bowel perforation, necrotizing enterocolitis (given the presence of pneumatosis), intra-abdominal abscess, adynamic ileus, or Ogilvie syndrome.
Chewing gum stimulates the digestive cephalic phase by imitating eating and is considered a virtual diet.6-9 Early initiation of intestinal motility after abdominal surgery is highlighted in the "Enhanced Recovery After Surgery" (ERAS) protocol, also known as the multidisciplinary approach.10 In this protocol, it was noted that for the prevention of postoperative ileus development, having the patient chew gum has moderate evidence.
Obstruction of the bowel may be caused by ileus, in which the bowel does not function correctly but there is no mechanical problem, or by mechanical causes.
Patients with burns on > 20% of their total body surface area (TBSA) are at risk for gastric distension and associated nausea and vomiting, which may cause aspiration and ileus, so a nasogastric (NG) tube may be ordered.