Learn About Omphalocele

What is the definition of Omphalocele?

An omphalocele is a birth defect in which an infant's intestine or other abdominal organs are outside of the body because of a hole in the belly button (navel) area. The intestines are covered only by a thin layer of tissue and can be easily seen.

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What are the alternative names for Omphalocele?

Birth defect - omphalocele; Abdominal wall defect - infant; Abdominal wall defect - neonate; Abdominal wall defect - newborn

What are the causes of Omphalocele?

Omphalocele is considered an abdominal wall defect (a hole in the abdominal wall). The child's intestines usually stick out (protrude) through the hole.

The condition looks similar to gastroschisis. An omphalocele is a birth defect in which the infant's intestine or other abdominal organs protrude through a hole in the belly button area and are covered with a membrane. In gastroschisis, there is no covering membrane.

Abdominal wall defects develop as a baby grows inside the mother's womb. During development, the intestines and other organs (liver, bladder, stomach, and ovaries or testes) develop outside the body at first and then usually return inside. In babies with omphalocele, the intestines and other organs remain outside the abdominal wall, with a membrane covering them. The exact cause for abdominal wall defects is not known.

Infants with an omphalocele often have other birth defects. Defects include genetic problems (chromosomal abnormalities), congenital diaphragmatic hernia, and heart and kidney defects. These problems also affect the overall outlook (prognosis) for the baby's health and survival.

What are the symptoms of Omphalocele?

An omphalocele can be clearly seen. This is because the abdominal contents stick out (protrude) through the belly button area.

There are different sizes of omphaloceles. In small ones, only the intestines remain outside the body. In larger ones, the liver or other organs may be outside as well.

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What are the current treatments for Omphalocele?

Omphaloceles are repaired with surgery, although not always immediately. A sac protects the abdominal contents and may allow time for other more serious problems (such as heart defects) to be dealt with first, if necessary.

To close an omphalocele, the sac is covered with a sterile mesh material, which is then stitched in place to form what is called a silo. As the baby grows over time, the abdominal contents are pushed into the abdomen.

When the omphalocele can comfortably fit within the abdominal cavity, the silo is removed and the abdomen is closed.

Because of the pressure involved in returning the intestines to the abdomen, the baby may need support to breathe with a ventilator. Other treatments for the baby include nutrients by IV and antibiotics to prevent infection. Even after the defect is closed, IV nutrition will continue as milk feedings must be introduced slowly.

Sometimes an omphalocele is so large that it cannot be placed back inside the infant's abdomen. The skin around the omphalocele grows and eventually covers the omphalocele. The abdominal muscles and skin can be repaired when the child is older for a better cosmetic outcome.

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What is the outlook (prognosis) for Omphalocele?

Complete recovery is expected after surgery for an omphalocele. However, omphaloceles often occur with other birth defects. How well a child does will depend on which other conditions the child has.

If the omphalocele is identified before birth, the mother should be closely monitored to make sure the unborn baby remains healthy.

Plans should be made for careful delivery and immediate management of the problem after birth. The baby should be delivered in a medical center that is skilled at repairing abdominal wall defects. Babies are likely to do better if they do not need to be taken to another center for further treatment.

Parents should consider testing the baby, and possibly family members, for other genetic problems that are associated with this condition.

What are the possible complications of Omphalocele?

The increased pressure from the misplaced abdominal contents can decrease blood flow to the intestine and kidneys. It can also make it difficult for the baby's lungs to expand, leading to breathing problems.

Another complication is bowel death (necrosis). This occurs when intestinal tissue dies due to low blood flow or infection. The risk may be reduced in babies who receive maternal milk rather than formula.

When should I contact a medical professional for Omphalocele?

This condition is apparent at birth and will be detected in the hospital at delivery if it has not already been seen on routine fetal ultrasound exams during pregnancy. If you have given birth at home and your baby appears to have this defect, contact the local emergency number (such as 911) right away.

This problem is diagnosed and repaired in the hospital at birth. After returning home, call your health care provider if your baby develops any of these symptoms:

  • Decreased bowel movements
  • Feeding problems
  • Fever
  • Green or yellowish green vomit
  • Swollen belly area
  • Vomiting (different than normal baby spit-up)
  • Worrisome behavioral changes
Infant omphalocele
Omphalocele repair - series
What are the latest Omphalocele Clinical Trials?
Neurodevelopmental Outcomes and Growth in Infants With Congenital Gastrointestinal Anomalies Requiring Neonatal Surgery

Summary: Infants with congenital gastrointestinal anomalies (CGIA) experience multiple physiologic stressors, including neonatal surgery, early in life during an essential time of growth and development. Early physiologic stressors such as inadequate nutrition have been linked to altered growth patterns and neurodevelopmental delays later in life. In other groups of at-risk infants, early body composition ...

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Laparoscopic Primary Umbilical Hernia Repair With Routine Defect Closure Using Su2ura Approximation Device

Summary: Intended Use The Su2ura™ Approximation Device is indicated for tissue approximation in endoscopic and open surgery for the placement of interrupted or running stitches in soft tissue such as hernia repair Objectives To assess the safety and efficacy of the Su2ura approximation device for the laparoscopic repair of primary umbilical hernia Number of Subjects 45 patients Number of Centers Two study ...

What are the Latest Advances for Omphalocele?
Comparative Study between Acacia Nilotica versus Povidone Iodine in Topical Treatment of Omphalocele Major.
A Method of Conservative Management of Giant Omphalocele Useful in Preventing Rupture of Sac.
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The treatment of umbilical hernia in patients with cirrhosis.
Who are the sources who wrote this article ?

Published Date: November 09, 2021
Published By: Kimberly G. Lee, MD, MSc, IBCLC, Clinical Professor of Pediatrics, Division of Neonatology, Medical University of South Carolina, Charleston, SC. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

What are the references for this article ?

Islam S. Congenital abdominal wall defects: gastroschisis and omphalocele. In: Holcomb GW, Murphy P, St. Peter SD, Gatti JM, eds. Holcomb and Ashcraft's Pediatric Surgery. 7th ed. Philadelphia, PA: Elsevier; 2020:chap 48.

Polites S, Nathan JD. Newborn abdominal wall defects. In: Wyllie R, Hyams JS, Kay M, eds. Pediatric Gastrointestinal and Liver Disease. 6th ed. Philadelphia, PA: Elsevier; 2021:chap 58.