What Is an Infant Umbilical Hernia?
May 17, 2022
Source: Cainiu Health
Dr. Xie Zixing
Introduction
Neonatal umbilical hernia, also known as omphalocele, results from an incomplete or weak umbilical ring. Abdominal contents protrude outward through the umbilical ring, presenting as a swelling within the umbilical fossa. Most hernias become apparent during infant crying and resolve spontaneously during rest; they are commonly observed in low-birth-weight preterm infants. As the infant’s body develops fully, umbilical hernias typically close spontaneously within one year, with an excellent prognosis.
The primary cause of infantile umbilical hernia is incomplete closure of the umbilical ring or insufficient strength of the surrounding scar tissue. So, what exactly is infantile umbilical hernia?
What Is Infantile Umbilical Hernia?
Neonatal umbilical hernia—also known as omphalocele—is caused by an incomplete or weakened umbilical ring. Abdominal contents protrude outward through the umbilical ring, manifesting as a bulge within the umbilical fossa. In most cases, this bulge becomes apparent when the infant cries and resolves spontaneously during rest. It is more commonly observed in low-birth-weight preterm infants. As the child’s body develops fully, the umbilical hernia typically closes spontaneously within one year, with an excellent prognosis. Surgical repair is indicated for persistent hernias beyond age one, large umbilical sacs, incarcerated hernias, or adhesions involving intra-abdominal structures. Daily care should emphasize cleanliness and dryness of the umbilical area. During episodes of crying, coughing, or defecation, parents may apply gentle local pressure to help prevent hernia protrusion. If the infant suddenly cries inconsolably, vomits, or exhibits marked tenderness, swelling, or discoloration of the umbilical hernia, incarceration should be suspected, and prompt medical evaluation is essential.
Due to incomplete fetal development, the processus vaginalis remains patent. When the infant cries, intra-abdominal pressure increases, causing the abdominal wall and umbilicus to bulge outward. This bulge subsides once intra-abdominal pressure decreases.
Patients with hernia must undergo clinical evaluation at a hospital to determine the appropriate treatment plan. We hope this information has been helpful! Wishing you good health and happiness!
