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Health Agencies Update
June 25, 2019

Method Verifies Whether Pediatric Patients Fasted Before Blood Testing

JAMA. 2019;321(24):2395. doi:10.1001/jama.2019.7710

Research by National Institutes of Health (NIH) scientists suggests that levels of free fatty acids (FFA) in their blood could help verify if children and teens fasted before undergoing testing for diabetes or other medical conditions.

Guidelines from the American Academy of Pediatrics and the Endocrine Society recommend that youth with overweight or obesity be screened for impaired glucose metabolism. For accurate screening results, fasting is required before blood is drawn, but studies suggest that some patients do not follow that recommendation. Consuming calories before a blood test for diabetes can lead to an incorrect diagnosis.

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