Guthrie

Guthrie is a term that refers to a medical test used for the early detection of phenylketonuria, a genetic disorder that can cause intellectual disability if not treated early. The test is named after Robert Guthrie, the microbiologist who developed it.

History

The Guthrie test was developed in the 1960s by Robert Guthrie. It was one of the first widespread newborn screening tests and has been used in many countries around the world.

Procedure

The Guthrie test is performed on a small sample of blood taken from a newborn's heel. The blood is collected on a special filter paper and sent to a laboratory for analysis. The test can detect high levels of phenylalanine, an amino acid that can build up in the blood and brain of individuals with phenylketonuria.

Phenylketonuria

Phenylketonuria (PKU) is a genetic disorder that affects the body's ability to metabolize the amino acid phenylalanine. If left untreated, PKU can lead to intellectual disability, seizures, and other serious health problems. Early detection and treatment can prevent these complications.

Treatment

Treatment for PKU involves a diet low in phenylalanine. This can be achieved through a special diet and the use of certain medical foods and dietary supplements. Regular blood tests are needed to monitor phenylalanine levels in the blood.

See also

• Newborn screening
• Phenylketonuria
• Robert Guthrie

References

Guthrie Resources
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