Overweight Boys may Benefit from Living With Adult Who Has Bariatric Surgery

A new study published in Obesity finds a parent's bariatric surgery could be an opportunity to break the cycle of obesity in an overweight son-body mass index (BMI) of 85 to 94. The Geisinger study is considered the largest study of the effect of an adult's Roux-enY (RYGB) gastric bypass surgery on the weight of children in the same household.

Leveraging Geisinger's advanced electronic health record and its existing bariatric surgery database, the researchers found that overweight boys who lived with an adult who had bariatric surgery had a lower-than-expected BMI post-surgery, while overweight boys who did not live with an adult with a history of bariatric surgery had a higher-than-expected BMI at follow-up. Differences between actual and expected BMIs of children were not significantly different between cases and controls in girls or in children in other weight classes.

While the Geisinger study does not support a collateral benefit of bariatric surgery in most children, it clearly demonstrates a benefit in boys with a BMI of 85-94. Identifying an opportunity to lower BMI in overweight boys is particularly important, given there has been a significant increase in obesity prevalence among men and boys over the last decade, while obesity rates have remained stable in girls and women.

"The relationship between parent and childhood obesity is likely attributable to a combination of genetic and family environmental influences," says Christopher D. Still, D.O., director of Geisinger's Obesity Institute. "We believe that environmental influences, including parental modeling of eating behavior, responsiveness to child signals, and availability of certain foods in the home, may offer possible opportunities for intervention. Parental obesity is one of the strongest risk factors for childhood obesity. The prevalence of obesity among children living with bariatric surgery in our study was 40 percent - twice the national average. Obese children are more likely to suffer from physical and emotional ailments like high blood pressure, acid reflux, knee and back pain, and low self-esteem.

"Children of parents who undergo bariatric surgery are at a high risk of obesity. We may be able to leverage bariatric surgery to help us target children at high risk of obesity for a weight loss intervention," says Annemarie Hirsch, Ph.D., research investigator from Geisinger's Center for Health Research. "Specifically, because the adult family member is already engaged in making lifestyle changes, this may present an opportunity to target the parent in a family-based healthy lifestyle intervention."

Source: Medindia

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