Fat may Not Indicate High Cholesterol in Kids

by Rajashri on  August 7, 2009 at 9:40 PM Child Health News   - G J E 4
 Fat may Not Indicate High Cholesterol in Kids
A new study has said that body fat is a poor gauge for detecting high cholesterol levels in children.

"We found, actually, that using body mass index to find kids with high cholesterol does not work well. There were many overweight and obese kids who had normal cholesterol, and there were a fair number of healthy-weight kids who had high cholesterol," said University of Michigan paediatrician and study's lead author Joyce Lee.

The study was carried out after the American Academy of Paediatrics revised its cholesterol screening guidelines in July 2008, advocating a cholesterol check for kids who have increased risk of heart disease.

For the most part, that means all children who are overweight or obese, which is about 30 percent of kids in the U.S.

"Our results indicate that the AAP guidelines for cholesterol screening in kids may need to be revised. Otherwise, we may be missing high cholesterol in some kids and unnecessarily testing others," Lee said.

The researchers conducted the study with national data from thousands of children to see whether 'body mass index' (BMI), a measure of body fat based on height and weight, can be used as a reliable way to find kids with high cholesterol levels.

They looked at the relationship between BMI and two different cholesterol measures, including total cholesterol and low-density lipoprotein (LDL) cholesterol, i.e. "bad" cholesterol.

For this study, children were classified as overweight if their BMI was between the 85th and 95th percentiles, and defined as obese if their BMI was greater than the 95th percentile for weight based on age and height.

Children had abnormal levels if they had total cholesterol greater than 200 mg/dl or LDL cholesterol level of greater than 130 mg/dl.

The study found that screening all overweight or obese children would identify approximately 50 percent of children with abnormal cholesterol levels but would also lead to unnecessary testing for up to 30 percent of children.

The study appears in the August 3 edition of the Archives of Paediatric and Adolescent Medicine.

Source: ANI

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