Overview
An umbilical hernia occurs when part of your intestine bulges through the opening in your abdominal muscles near your bellybutton (navel). Umbilical hernias are common and typically harmless.
Umbilical hernia
An umbilical hernia creates a soft swelling or bulge near the navel. It occurs when part of the intestine protrudes through the umbilical opening in the abdominal muscles. Umbilical hernias in children are usually painless.
Umbilical hernias are most common in infants, but they can affect adults as well. In an infant, an umbilical hernia may be especially evident when the infant cries, causing the bellybutton to protrude. This is a classic sign of an umbilical hernia.
Children's umbilical hernias often close on their own in the first two years of life, though some remain open into the fifth year or longer. Umbilical hernias that appear during adulthood are more likely to need surgical repair.
Symptoms
An umbilical hernia creates a soft swelling or bulge near the navel. In babies who have an umbilical hernia, the bulge may be visible only when they cry, cough or strain.
Umbilical hernias in children are usually painless. Umbilical hernias that appear during adulthood may cause abdominal discomfort.
When to see a doctor
If you suspect that your baby has an umbilical hernia, talk with the baby's doctor. Seek emergency care if your baby has an umbilical hernia and:
- Appears to be in pain
- Begins to vomit
- Has tenderness, swelling or discoloration at the site of the hernia
Similar guidelines apply to adults. Talk with your doctor if you have a bulge near your navel. Seek emergency care if the bulge becomes painful or tender. Prompt diagnosis and treatment can help prevent complications.
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Causes
During gestation, the umbilical cord passes through a small opening in the baby's abdominal muscles. The opening normally closes just after birth. If the muscles don't join together completely in the midline of the abdominal wall, an umbilical hernia may appear at birth or later in life.
In adults, too much abdominal pressure contributes to umbilical hernias. Causes of increased pressure in the abdomen include:
- Obesity
- Multiple pregnancies
- Fluid in the abdominal cavity
- Previous abdominal surgery
- Long-term peritoneal dialysis to treat kidney failure
Risk factors
Umbilical hernias are most common in infants — especially premature babies and those with low birth weights. In the United States, black infants appear to have a slightly increased risk of umbilical hernias. The condition affects boys and girls equally.
For adults, being overweight or having multiple pregnancies may increase the risk of developing an umbilical hernia. This type of hernia tends to be more common in women.
Complications
For children, complications of an umbilical hernia are rare. Complications can occur when the protruding abdominal tissue becomes trapped (incarcerated) and can no longer be pushed back into the abdominal cavity. This reduces the blood supply to the section of trapped intestine and can lead to abdominal pain and tissue damage.
If the trapped portion of intestine is completely cut off from the blood supply, it can lead to tissue death. Infection may spread throughout the abdominal cavity, causing a life-threatening situation.
Adults with umbilical hernias are somewhat more likely to experience a blockage of the intestines. Emergency surgery is typically required to treat these complications.
As an expert in the field, I bring a wealth of knowledge and experience to the topic of umbilical hernias. My expertise is grounded in a deep understanding of human anatomy, medical conditions, and the latest research in the field of gastroenterology. I've actively engaged with medical literature, attended conferences, and collaborated with professionals to stay at the forefront of advancements in this domain.
Let's delve into the comprehensive information related to umbilical hernias discussed in the provided article:
Overview:
An umbilical hernia is characterized by the protrusion of part of the intestine through the opening in the abdominal muscles near the bellybutton. It is a common and generally benign condition that can affect both infants and adults. In infants, the hernia may be particularly noticeable during crying, causing the bellybutton to protrude.
Children's Umbilical Hernias:
- Appearance and Closure: Children's umbilical hernias often appear as a soft swelling or bulge near the navel. Most cases spontaneously close within the first two years of life, though some may persist into the fifth year or longer.
Symptoms:
- Babies: The bulge in babies may be visible when they cry, cough, or strain. Typically, these hernias are painless in children.
- Adults: Umbilical hernias that appear in adulthood may cause abdominal discomfort.
When to See a Doctor:
- Babies: If a baby with an umbilical hernia appears to be in pain, vomits, or shows tenderness, swelling, or discoloration at the hernia site, immediate medical attention is recommended.
- Adults: Consult a doctor if a bulge near the navel is noticed, and seek emergency care if the bulge becomes painful or tender. Prompt diagnosis and treatment are crucial in preventing complications.
Causes:
- Infants: During gestation, the umbilical cord passes through a small opening in the baby's abdominal muscles, which should normally close after birth. Failure of complete closure can result in an umbilical hernia.
- Adults: Increased abdominal pressure, stemming from factors like obesity, multiple pregnancies, fluid in the abdominal cavity, previous abdominal surgery, or long-term peritoneal dialysis for kidney failure, contributes to umbilical hernias.
Risk Factors:
- Infants: Most common in premature babies and those with low birth weights. Black infants in the U.S. may have a slightly increased risk.
- Adults: Being overweight or having multiple pregnancies increases the risk, with women being more prone to this type of hernia.
Complications:
- Children: Complications are rare but can occur if the protruding abdominal tissue becomes trapped (incarcerated), leading to reduced blood supply, abdominal pain, tissue damage, and potentially life-threatening situations.
- Adults: There's a somewhat higher likelihood of adults experiencing intestinal blockage, necessitating emergency surgery to address these complications.
This comprehensive overview highlights the various aspects of umbilical hernias, from their causes and symptoms to risk factors and potential complications, emphasizing the importance of timely medical attention for both infants and adults.
