What is intestinal atresia?
Intestinal atresia is a congenital condition, which means it develops before birth. The malformation is thought to be a “vascular accident” that occurs when the blood supply to the unborn baby’s intestines is unexpectedly interrupted. The reason for the reduction in the blood supply is unknown.
What is duduodenal (dwah) atresia?
Duodenal (DWAH-de-nal) atresia involves a blockage of the upper part of the small intestine, or duodenum. It results from a different disease process than other types of intestinal atresia and is sometimes associated with additional birth defects. The other types of intestinal atresia are:
Can intestinal atresia be detected before birth?
Most cases of intestinal stenosis and type I atresia are not detected prenatally, but the other classes of intestinal atresia (types II, III and IV) can usually be diagnosed by ultrasound during the third trimester. How is intestinal atresia managed before birth?
What is the initial management of intestinal atresia in neonates?
Intestinal atresia is a common cause of neonatal bowel obstruction and can occur anywhere in the gastrointestinal tract. Regardless of the location, initial management includes gastric decompression, intravenous fluid resuscitation, hemodynamic stabilization, radiographic evaluation, and workup of any associated anomalies.
Atresia Intestinal atresia is a broad term used to describe a complete blockage anywhere in the intestine. 4. • These conditions may involve any portion of the gastrointestinal tract, the small bowel is the most commonly affected portion. 5.
How is small bowel atresia diagnosed during pregnancy?
Small bowel atresia is often diagnosed before birth by prenatal ultrasound or fetal MRI if available. Doctors may suspect a fetus has small bowel atresia or intestinal atresia if a pregnant woman has too much amniotic fluid (polyhydramnios).
What is pyloric atresia?
Pyloric Atresia • Pyloric atresia involves an obstruction at the pylorus, which is the passage linking the stomach and the first portion of the duodenum. 6. • This is quite rare, and tends to run in families. Children vomit stomach contents, and due to the accumulation of intestinal contents and gas, develop a distended upper abdomen.
What is jejunoileal atresia?
Jejunoileal Atresia • Jejunoileal atresia involves an obstruction of the jejunum or ileum of the small intestine. • The segment of intestine just before the obstruction becomes massively dilated, thus hindering its ability to absorb nutrients and peristaalsis through the digestive tract. 14.