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DIOS was previously known as meconium ileus equivalent, a name which highlights its similarity to the intestinal obstruction seen in newborn infants with cystic fibrosis. [2] DIOS tends to occur in older individuals with pancreatic insufficiency .
Meconium ileus should be distinguished from meconium plug syndrome, in which a tenacious mass of mucus prevents the meconium from passing and there is no risk of intestinal perforation. Meconium ileus has a significant risk of intestinal perforation. In a barium enema, meconium plug syndrome shows a normal or dilated colon as compared to micro ...
Radiographs in meconium ileus classically demonstrate a bubbly appearance in the right lower quadrant due to a combination of ingested air and meconium. If, on contrast enema, reflux into the dilated distal small bowel loops can be achieved, the study is both diagnostic and therapeutic, as the ionic contrast medium can dissolve the meconium to ...
Normally, 90% of babies pass their first meconium within 24 hours, and 99% within 48 hours. [10] Some other signs and symptoms in newborns include a swollen belly, vomiting (green or brown vomit), and flatulence. In older children, some other signs and symptoms include chronic constipation, flatulence, swollen belly, fatigue, and failure to thrive.
The precise etiopathogenesis is still unknown. Young age (2–13 years), gastrointestinal history (DIOS, meconium ileus), abdominal surgery in the past, HDPE, and use of histamine H2-receptor blockers, corticosteroids, or recombinant human deoxyribonuclease (DNase) are risk factors. [7]
Ileus is a cause of colic in horses due to functional obstruction of the intestines. It is most commonly seen in horses postoperatively, especially following colic surgery. [ 9 ] Horses experiencing ileus are at risk for gastric rupture due to rapid reflux build-up, and require intense medical management with frequent nasogastric intubation. [ 9 ]
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Necrotizing enterocolitis (NEC) is an intestinal disease that affects premature or very low birth weight infants. [4] [1] Symptoms may include poor feeding, bloating, decreased activity, blood in the stool, vomiting of bile, multi-organ failure, and potentially death.