Wednesday, July 4, 2012

Pulse Oximetry Screening for Congenital Heart Defects



Based on studies, about 4,800 babies born each year have one out of seven critical congenital heart defects (CCHDs) in the United States.

Listed is the seven defects classified as critical congenital heart defects (CCHDs):  hypoplastic left heart syndrome, pulmonary atresia (with intact septum), tetralogy of Fallot, total anomalous pulmonary venous return, transposition of the great arteries, tricuspid atresia, and truncus arteriosus.

Babies with one these CCHDs are at significant risk for death or disability if their heart defect is not diagnosed and treated soon after birth. The good news is, these heart defects among some babies can be potentially detected using pulse oximetry screening.

Pulse oximetry newborn screening can detect some infants with a CCHD before they show any signs. Once identified, babies with a CCHD can be seen by cardiologists and can receive specialized care and treatment, which may include medications and surgery, and could prevent death or disability early in life.

The procedure called pulse oximetry is a simple bedside test to determine the amount of oxygen in a baby's blood and the baby's pulse rate. Low levels of oxygen in the blood can be a sign of a CCHD. The test is done using a machine called a pulse oximeter, with sensors placed on the baby's skin. The test is painless and takes only a few minutes.

Screening is done when a baby is 24 to 48 hours of age. If the baby is to be discharged from the hospital before he or she is 24 hours of age, screening should be done as late as possible before discharge.

The Centers for Disease Control and Prevention (CDC) is part of the U.S. Department of Health and Human Services (HHS) Secretary's Advisory Committee on Heritable Disorders in Newborns and Children (SACHDNC).

SACHDNC was authorized by Congress to provide guidance to the HHS Secretary about which conditions should be included in newborn and childhood screening programs. SACHDNC also advises the Secretary on how systems should be developed to ensure that all newborns and children are screened and, when necessary, receive appropriate follow-up care.

SACHDNC recommended that the HHS Secretary add pulse oximetry screening for CCHDs to the Recommended Uniform Screening Panel.
In September 2011, HHS Secretary Sebelius approved adding screening for CCHDs to the Recommended Uniform Screening Panel and outlined specific tasks assigned to National Institutes of Health (NIH), CDC, and Health Resources and Services Administration (HRSA).

Reference:  www.cdc.gov

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