WEDNESDAY, May 1, 2019 (HealthDay News) — Youth with cognitive impairment or developmental disability (CI/DD) have weight-loss trajectories after bariatric surgery similar to those of their peers with typical cognitive function, according to a study published online in the May issue of Pediatrics.

Sarah E. Hornack, Ph.D., from Children’s National Health System in Washington, D.C., and colleagues explored the association between cognitive functioning and weight-loss outcomes among 64 adolescents with or without CI/DD undergoing bariatric surgery (2010 to 2017).

The researchers found no significant differences between adolescents with or without CI/DD in terms of preoperative body mass index, age, and sex. During the two years after surgery, having CI/DD did not significantly impact weight loss or the weight-loss trajectory, although modeling revealed a trend toward individuals with CI/DD losing more weight over time. Intelligence scores did not predict weight loss after surgery.

“The preoperative assessment should consider risks and benefits of the surgery, ability to provide assent (and for a guardian, consent, if assent is unable to be obtained), and specific supports necessary for ensuring safety and the highest likelihood of success after surgery,” the authors write.

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