The most common cause of non-duodenal intestinal atresia is a vascular accident in utero that leads to decreased intestinal perfusion and ischemia of the respective segment of bowel. This leads to narrowing, or in the most harsh cases, complete obliteration of the intestinal lumen. In the case that the superior mesenteric artery, or another major intestinal artery, is occluded, large segments of bowel can be totally underdeveloped. Classically, the affected area of bowel assumes a spiral config
Fetal and neonatal intestinal atresia treated with using laparotomy after birth. If the area affected is small, the surgeon may be able to remove the damaged portion and join the intestine back together. In instances where the narrowing is longer, or the area is injured and cannot be used for period of time, a temporary stoma may be placed.
Intestinal atresia is a malformation where there is a narrowing or absence of a portion of the intestine. This fault can either occur in the small or large intestine.