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Children: tonsillectomy linked to excess weight gain


Children who undergo the surgical removal of their tonsils ( tonsillectomy ) with or without the removal of their adenoids ( adenoidectomy ) are at increased risk for becoming overweight in the years after surgery.

Prior research has linked tonsillectomy to accelerated weight gain, but whether it is a risk factor for becoming overweight was unclear.

To investigate this relationship, researchers have analyzed data from 3963 children enrolled in the Dutch Prevention and Incidence of Asthma and Mite Allergy ( PIAMA ) birth cohort study.

Annual parental questionnaires were used to assess weight, tonsillectomy status, and other factors. In addition, the height and weight of all subjects at 8 years of age was assessed by the researchers.

Tonsillectomy with or without adenoidectomy significantly increased the odds of being overweight and obese at 8 years by 61% and 136%, respectively.
Adenoidectomy alone did not increase the risk of becoming overweight, but it did increase the risk of obesity by 94%.

Overweight status at 2 years of age was not linked to subsequent tonsillectomy, suggesting that the operation led to overweight and obesity.

Longitudinal data on weight and height in the years before and after surgery suggest that tonsillectomy forms a turning point between a period of growth faltering and a period of catch-up growth, which may explain the increased risk of becoming overweight and explain the increased risk of becoming overweight after the operation.

Based on these findings, the researchers recommend that dietary and lifestyle advice be given to parents whose children are undergoing tonsillectomy.
Growth monitoring after surgery is key to ensure that catch-up growth occurs within healthy limits. ( Xagena )

Source: Pediatrics, 2009

XagenaMedicine_2009



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