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What is Acute Bilirubin Encephalopathy?
In young babies, acute bilirubin encephalopathy arises when excess bilirubin, a yellow substance formed when red blood cells break down, starts to build up in their brain. A baby has not fully developed its liver; therefore, bilirubin cannot be removed efficiently. Mild jaundice is common in babies, but anything above certain levels requires a doctor's attention.If jaundice develops within the first 24 hours after birth, spreads rapidly, or occurs with poor feeding, unusual sleepiness, or difficulty waking, seek medical attention promptly, as these may indicate dangerously high bilirubin levels.
What Causes Acute Bilirubin Encephalopathy in Newborns?
According to Dr Abhishek Chopra, various reasons can raise the bilirubin levels in newborns, which are as follows:- Premature delivery: Infants who arrive before the normal time tend to have immature livers that find it hard to metabolise bilirubin
- Blood type incompatibility: Blood type incompatibility between the mother and baby can trigger breakdown of red blood cells
- Increased rate of blood cell breakdown: Certain illnesses can make it possible for red blood cells to break down faster than normal and produce more bilirubin
- Difficulty in feeding: Less intake of breast milk or formula can lead to dehydration and higher bilirubin levels
- Illnesses: Different infections and inherited diseases can increase the chances of having severe jaundice
What Are The Warning Signs?
Common warning signs include:- Yellow discolouration of the skin and whites of the eyes
- Poor feeding or difficulty sucking
- Unusual sleepiness or difficulty waking
- Reduced alertness and decreased activity
- A weak cry or unusual irritability
- A high-pitched cry
- Abnormal muscle stiffness or floppiness
- Arching of the neck or body backwards
- Fever or unusual body movements
- Seizures or pauses in breathing
How is Acute Bilirubin Encephalopathy Diagnosed?
The assessment may include the following:- Bilirubin testing: A blood test measures the total bilirubin level. A skin-based screening device may also be used to estimate bilirubin levels
- Age-specific assessment: Doctors interpret the bilirubin level according to the baby's age in hours, gestational age, and other risk factors
- Additional blood tests: These may help identify blood group incompatibility, increased red blood cell breakdown, or infection when suspected
- Neurological examination: Doctors check the baby's alertness, muscle tone, feeding, and movements for signs of brain involvement
How is Acute Bilirubin Encephalopathy Treated?
The purpose of treatment is to lower bilirubin levels quickly and also to prevent further brain damage. The treatment will depend on bilirubin levels, the baby's age in weeks, and any existing medical condition.The treatment techniques involve the following:
- Phototherapy: A specific type of blue-light treatment can help convert bilirubin to different forms that can be easily eliminated from the body
- Exchange transfusion: If bilirubin levels are extremely high, doctors may use a procedure to replace small amounts of the baby's blood with blood from a compatible donor, which will reduce bilirubin levels quickly
- Support with feeding: Doctors assess the baby's feeding and hydration to ensure these needs are being met
- Monitoring: Doctors frequently check bilirubin levels and assess the baby's neurological condition throughout treatment
Can Acute Bilirubin Encephalopathy Cause Long-Term Problems?
Serious brain damage caused by bilirubin is also referred to by the term “kernicterus” and may result in complications that can be quite serious in nature. Possible complications may include problems with hearing, movement, stiffness of muscles, and issues with development.Nevertheless, when an early diagnosis is made along with adequate treatment, many of the serious complications can be prevented. Newborn babies suffering from severe jaundice may need such services as hearing examinations, developmental follow-ups, and observations from specialists.
Acute bilirubin encephalopathy is a serious condition, but getting timely treatment can greatly improve the health of a newborn baby. Parents need to attend all jaundice tests, follow feeding instructions for feeding, and ensure their baby has follow-up appointments after getting out of the hospital. If the baby is sleeping more than usual, is feeding poorly, and has problems with movement, make sure to seek immediate medical help.
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FAQs on Severe Jaundice in Newborns: Can It Affect the Brain?
- Does every newborn with jaundice develop acute bilirubin encephalopathy?
No, not every newborn with jaundice develops acute bilirubin encephalopathy. Jaundice is common in newborns and usually resolves with appropriate care. However, dangerously high bilirubin levels can affect the brain, making timely assessment and treatment essential to prevent complications. - Can a full-term baby develop acute bilirubin encephalopathy?
Yes, a full-term baby can develop acute bilirubin encephalopathy if bilirubin levels become dangerously high. Blood group incompatibility, infections, or certain blood disorders may increase the risk. - Can acute bilirubin encephalopathy affect future learning abilities?
Yes, severe acute bilirubin encephalopathy can affect future learning, attention, and development. The impact depends on the extent of brain injury that has occurred. Early assessment, treatment, and developmental follow-up help address potential difficulties.