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Safety Measures at Riley Children’s Health

We are taking thoughtful steps to ensure our spaces remain safe for patients, parents and caregivers. View safety measures, mask policy and visiting guidelines.


COVID-19 Vaccines

The COVID-19 vaccine is available to anyone 5 and older. People younger than 18 must receive the Pfizer vaccine. To schedule an appointment, call 211 or visit ourshot.in.gov. Several COVID-19 vaccine locations also offer walk-in appointments. View full details.

Actualizaciones de COVID-19: Políticas para visitantes, vacunas y más

Medidas de seguridad en Riley Children's Health

Estamos adoptando medidas reflexivas para garantizar que nuestros espacios sigan siendo seguros para los pacientes, los padres y los cuidadores. Vea las medidas de seguridad, la política de uso de mascarillas y las directrices de visitas.

Vacunas contra la COVID-19

La vacuna contra la COVID-19 está disponible para cualquier persona mayor de 5 años. Las personas menores de 18 años deben recibir la vacuna de Pfizer. Para programar una cita, llame al 211 o visite la página ourshot.in.gov. Varios centros de vacunación contra la COVID-19 atienden sin cita previa. Vea todos los detalles.

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Riley Children's Health

Alpha-1 Antitrypsin Deficiency

Alpha-1 Antitrypsin Deficiency
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Alpha-1 antitrypsin is a protein made by the liver that helps block the actions of bad proteins related to inflammation and breakdown of tissues. A gene defect can cause a shortage of the alpha-1 antitrypsin protein which leads to damage of the liver and lungs. However, many people with alpha-1 antitrypsin deficiency do not know they have the condition, and many with the defect never develop liver disease.

Those patients that do develop liver disease can have jaundice (yellowing of the skin and whites of the eyes), cirrhosis and portal hypertension and, potentially, liver failure later in life. Less than half of infants with jaundice from alpha-1 antitrypsin deficiency develop chronic liver disease later in life. Defects in this gene can also cause lung problems, such as emphysema, bronchitis and repeated lung infections. However, the lung problems do not present until adulthood.

Alpha-1 antitrypsin deficiency is a genetic condition, meaning it is transmitted through an abnormal gene from parent to child. This gene is an autosomal recessive gene, which means that if the mom and the dad both carry the gene, 1 out of 4 of their children will inherit alpha-1 antitrypsin deficiency. Not everyone with alpha-1 antitrypsin deficiency develops liver disease. A large study in Sweden revealed that only 15 percent of people who have the genetic defect develop liver disease. It is not clear yet why some people develop disease and others do not, but there is ongoing research to help understand this.

The first sign of alpha-1 antitrypsin deficiency in infants or older children is often jaundice that does not resolve after birth. Infants who develop jaundice secondary to alpha-1 antitrypsin deficiency usually have resolution of the jaundice within the first year of life. Other symptoms may include:

  • Elevated liver enzyme levels
  • Dark urine and pale stools
  • Itching
  • Enlarged liver
  • Bleeding
  • Feeding problems
  • Poor growth or failure to thrive

Diagnosis of Alpha-1 Antitrypsin Deficiency

If your child has symptoms of alpha-1 antitrypsin deficiency, a pediatric gastroenterologist can make a diagnosis with a simple blood test. Other tests may be done to evaluate evidence of liver injury from the disease. Tests include:

  • Blood tests. A variety of blood tests can check for genetic changes to the alpha-1 antitrypsin gene. Chemical panels can detect elevated liver enzymes and assess how well the liver is working.
  • Ultrasound. An ultrasound is an imaging test that allows your child’s gastroenterologist to assess damage to the liver. This procedure may be done on a regular basis to detect changes in the liver over time.
  • Liver Biopsy. A tissue sample is taken from the liver to check for inflammation and scarring caused by alpha-1 antitrypsin deficiency. If your child requires a liver biopsy, sedation medications or a general anesthetic will be given before the biopsy so he or she will not feel any pain or remember the procedure.

Treatments

Treatments

There is no treatment for alpha-1 antitrypsin deficiency. Scientists are actively working to discover a treatment for this liver disease. However, your child’s gastroenterologist will work with you and your child to manage symptoms. Management of the condition includes:

  • Nutrition. When children have jaundice, their livers are not working properly and they cannot absorb vitamins and fat normally. Your child may require supplementation of fat-soluble vitamins, including vitamins A, D, E and K.
  • Monitoring. Your child should be evaluated at regular intervals by a gastroenterologist to monitor for development or progression of liver disease.
  • Liver transplant. Children with alpha-1 antitrypsin deficiency often have an enlarged liver. Progressive scarring of the liver (cirrhosis) may also cause an enlarged spleen. Blood tests are regularly performed to monitor for worsening signs of liver injury and worsening liver function. If the alpha-1-antitrypsin deficiency leads to severe liver disease, some children undergo liver transplantation with excellent success.

Key Points to Remember

Key Points to Remember

  • Alpha-1 antitrypsin is a protein made by the liver that helps block the actions of bad proteins related to inflammation and breakdown of tissues.
  • A gene defect can cause a shortage of the alpha-1 antitrypsin protein which leads to damage of the liver and lungs.
  • The first sign of alpha-1 antitrypsin deficiency in infants or older children is often jaundice that does not resolve after birth.
  • There is no treatment for alpha-1 antitrypsin deficiency. However, your child’s gastroenterologist will work with you and your child to manage symptoms.

Support Services & Resources

Support Services & Resources

Visit the websites below to find support groups and services and learn more about alpha-1 antitrypsin deficiency.

Riley at IU Health offers a broad range of supportive services to make life better for families who choose us for their children's care.

Learn More About Riley Support Services

Alpha-1 Foundation

This website provides resources for alpha-1 antitrypsin deficiency patients and their families as well as for physicians and researchers.

American Liver Foundation

The American Liver Foundation website provides educational information about alpha-1 antitrypsin and support resources for patients and families.

GIKids

The North American Society for Pediatric Gastroenterology, Hepatology and Nutrition provides patient outreach and education for children and families who live with alpha-1 antitrypsin deficiency.

The Childhood Liver Disease Research Network

This website offers information about current research on childhood liver diseases, including alpha-1 antitrypsin deficiency.


Alpha-1 Antitrypsin Deficiency Research

Alpha-1 Antitrypsin Deficiency Research

Pediatric specialists at Riley at IU Health are actively studying alpha-1 antitrypsin deficiency to better understand the condition. Ask your child's doctor for more information about our current research initiatives.

Locations

Locations

Locations

In addition to our primary hospital location at the Academic Health Center in Indianapolis, IN, we have convenient locations to better serve our communities throughout the state.

Riley Pediatric Gastroenterology, Hepatology & Nutrition

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Riley Medical & Molecular Genetics

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Indianapolis, IN 46202

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Departments Treating This Condition

Departments Treating This Condition

  • Gastroenterology, Hepatology & Nutrition
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