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Updated on 3 November 2023
Necrotizing Enterocolitis (NEC) is a gastrointestinal condition that causes inflammation of the intestine tissue lining, damaging intestine tissues. Mostly premature babies and infants are affected by this condition. The condition usually develops within 2 to 6 weeks after birth. Symptoms differ for every baby; some have mild symptoms, while others might experience life-threatening symptoms.
Intestines are a part of the digestive system. Everyone has two intestines, small and large. They help in digesting food and liquid and converting it into waste. That waste is released through the anus.
NEC primarily affects newborns and premature babies. The condition can likely affect any child born before the 37th week of pregnancy. Also, babies fed through stomach tubes are prone to be affected by NEC.
NEC in newborns is not common. However, premature babies and babies who weigh less than a kg are at a higher risk of getting NEC.
NEC is classified based on what causes it and when the symptoms start.
This is the most common NEC type, affecting babies born before 28 weeks of pregnancy. It usually affects babies after 3 to 6 weeks of birth. The classic NEC type usually shows no symptoms and occurs suddenly.
Babies who get blood transfusions are at risk of transfusion-associated NEC. Infants will likely develop this type of condition within three days of receiving a blood transfusion.
Infants may develop this rare type of NEC before the first feeding or in the first week after birth.
This type of necrotizing enterocolitis is usually congenital in full-term babies. The possible causes are poor oxygen supply, congenital heart condition, or gastroschisis.
It is not known what causes NEC. However, premature infants have weak immune systems. If the immune system cannot fight off infections, babies could get NEC. The symptoms of NEC depend on the type and cause of the infection. Some babies show symptoms in a few days, but for some, it occurs suddenly without any symptoms.
Some babies may show these signs of NEC:
Swelling and pain in the abdomen
Unusual blood pressure, heart rate, and body temperature
Diarrhoea and bloody stool
Green or yellow vomit
Loss of appetite and no weight gain
There isn't adequate research to know the exact cause of necrotizing enterocolitis. But a weaker immune system in infants is the most common cause. Premature babies have weaker digestive and immune systems. Therefore they can not fight infections. In such cases, oxygen-carrying blood cannot reach the intestines, leading to damaged tissues. This damage further causes necrotizing enterocolitis.
Necrotizing enterocolitis is diagnosed through various tests.
Blood test: To check bacterial infection
Faecal test: To check blood in stool that is not visible with the naked eye
X-rays: To check signs of NEC, like air bubbles around the intestine.
Babies suffering from NEC can develop other complications.
Due to the thin tissue lining, the chances of damage to the intestinal wall are high. It can lead to bacterial infection in the abdomen.
This condition occurs a few months after the recovery from NEC. It is rare when a stricture narrows the intestine, restricting food passing. In severe cases, babies might need surgery to enlarge the intestine.
In some cases, NEC can damage or destroy the small intestine in babies, causing them to develop short bowel syndrome. Babies with this condition might struggle to absorb food and nutrients. In such cases, babies need tube feeding. Some may require long-term care to get the proper nutrition.
Infants undergoing surgery may experience long-term complications such as poor neurodevelopment and slow or no growth. These infants need regular follow-ups.
The first important step in treating necrotizing enterocolitis is to let the intestines rest and heal. For that, babies need to stop tube and oral feedings, and as a substitute, doctors give them IV fluids. Additionally, doctors might recommend other treatments.
Nasogastric tube: A tube inserted through the nose or mouth goes into the stomach and sucks out the gas and fluids.
Antibiotics: These help in fighting bacterial infection.
In severe cases, doctors may recommend surgery to repair a hole in the intestine or to recover the damaged tissues.
Necrotizing enterocolitis can be prevented during pregnancy in cases where the mother is at risk for preterm birth. Corticosteroid injections help boost the overall health of the foetus, reducing the chances of lung and intestinal complications. Also, feeding breast milk to infants lowers the chances of NEC.
A Postgraduate in English Literature and a professional diploma holder in Interior Design and Display, Sanju started her career as English TGT. Always interested in writing, shetook to freelance writing to pursue her passion side by side. As a content specialist, She is actively producing and providing content in every possible niche.Read More
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