Tonsillectomy for Sleep Apnea may Increase Obesity Risk

Children who underwent a tonsillectomy, a procedure that removes the tonsils, to alleviate their symptoms of sleep apnea are more likely to gain weight in comparison to children with sleep apnea who did not have the surgery.

In this study, the researchers examined 204 children between the ages of five and nine who were advised to undergo surgery and another 192 children who took the watchful waiting approach.

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The team of researchers followed the progress of the children over the span of seven months

They found that children who had a removal of tonsils ended up gaining more weight on average than children who did not get the procedure.

The overall weight gain difference was small and was not noteworthy in children of normal weight.

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In over weight children, however, the extra pounds added their risk of becoming obese.

The researchers revealed that 52 percent of children who were overweight before the surgery had become plump seven months after the procedure.

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In the group of children who waited, only 21 percent of the overweight children became obese within the same time span.

The researchers advised that children with sleep apnea should ideally adopt a healthy lifestyle, which includes nutrition and exercise.

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However, researchers are still uncertain what caused the weight gain in those who went through the surgery.

One theory is that those children could be burning fewer calories because they no longer have difficulties breathing during sleep. However, another school of thought on the subject is that more sleep decreases hyperactivity during the daytime, which also decreases the number of calories burned throughout the day.

"You can't just treat the sleep apnea. You have to have nutrition and lifestyle counseling, too," said lead researcher Dr. Eliot Katz, a respiratory disease specialist at Boston Children's Hospital.

"After surgery, parents are often very satisfied. Their kids are sleeping better, and they may be better behaved and doing better in school. But there's this insidious issue of weight gain." Dr. Eliot Katz added.

The study was published in the journal, Pediatrics.

Source-Medindia