Oct 10, 2024 · Prolonged postoperative ileus (>72 hours) has been termed "paralytic" ileus by some and is concerning for small bowel obstruction, bowel perforation, peritonitis, and intra-abdominal abscess. Improving postoperative ileus is often determined clinically as much as radiographically, with the resumption of oral intake and flatus.

Mar 28, 2025 · CT. CT is more sensitive than radiographs and will demonstrate the cause in most cases. Features on CT may include: dilated small bowel loops >2.5 cm up from outer wall to outer wall. normal caliber or collapsed loops distally. small bowel feces sign. fat notch sign (typically indicates adhesive SBO) 11

Dec 28, 2024 · Identifying that large bowel obstruction is present is as good as CT. However, CT scan is better at finding the cause of the obstruction 3. CT. Plain radiographs are increasingly being replaced by CT to assess for bowel obstruction.

Paralytic ileus is a functional intestinal obstruction without an actual physical obstruction. This type of functional obstruction is caused by a multifactorial malfunction in the nerves in the intestine and subsequent impairment in intestinal peristalsis.

Mar 31, 2025 · CT. The overall sensitivity, specificity, and accuracy of CT in diagnosing gallstone ileus is around 93%, 100%; and 99%, respectively 11. Appearances are those of Rigler triad, better seen than on plain radiograph.

Oct 13, 2024 · CT is the most widely used modality for assessment of large bowel obstructions and is not only able to confirm the diagnosis and localize the location of obstruction but in most instances also is able to identify the cause.

This is a classic case of gallstone ileus. The patient successfully underwent an exploratory laparotomy, which included a washout and enterolithotomy, followed by Heineke-Mikulicz enteroplasty to address small bowel obstruction caused by gallstone ileus and a …

Prolonged postoperative ileus for more than 72 hours has been termed "paralytic" ileus by some and operative difficulty, operation more than 3 hours, bowel handling, drop in hematocrit levels, the need of a transfusion, and lack of mobility after operation are common risk factors for a long-standing post-surgical ileus.

Adhesions are the presumed mechanism in many cases (following previous surgery) especially small bowel obstruction but rarely is the exact point of adhesive obstruction seen on CT as a focal kink and narrowing of the lumen by extrinsic compression.

Mar 22, 2025 · ct The hallmark of colonic pseudo-obstruction is the presence of dilatation of the large bowel (often marked) without evidence of an abrupt transition point or mechanically obstructing lesion. It is important to note, however, that a gradual transition point is frequently present, usually at or near the splenic flexure 3 .