Bili lights is a type of light therapy (phototherapy) that is used to treat newborn jaundice . Jaundice is a yellow coloring of the skin and eyes caused by too much of a substance called bilirubin. Bilirubin is a yellow substance that is created when the body replaces old red blood cells with new ones.
Phototherapy involves shining fluorescent light on bare skin. A specific wavelength of light can break down bilirubin into a form that the body can get rid of through the urine and stools. The light looks blue.
The health care team carefully notes the infant's temperature, vital signs, and responses to the light. They also note how long the treatment lasted and the position of the light bulbs.
The baby may become dehydrated from the lights. Fluids may be given through a vein during treatment.
Blood tests are done to check the bilirubin level. When the levels have dropped enough, phototherapy is complete.
Some infants receive phototherapy at home. In this case, a nurse visits daily and draws a sample of blood for testing.
Treatment depends on three things:
In severe cases of increased bilirubin in a low birthweight newborn that is younger than 24 hours old, an exchange transfusion may be done instead. Whn the bilirubin level is very high, an exchange transfusion may be the best option.
Phototherapy for jaundice
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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