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Vitamin D and tonsil disease--preliminary observations

David Reid1, Randall Morton, Lesley Salkeld

  • 1Division of Otolaryngology-Head and Neck Surgery, Counties-Manukau District Health Board, Auckland, New Zealand.

International Journal of Pediatric Otorhinolaryngology
|December 7, 2010
PubMed

Insights

Many children undergoing tonsillectomy have low vitamin D levels, with darker skin and higher BMI being significant factors. This may explain higher rates of the procedure in certain ethnic groups.

Area of Science:

  • Pediatric Endocrinology
  • Otolaryngology
  • Nutritional Science

Background:

  • Vitamin D deficiency is a growing concern in pediatric populations.
  • Children undergoing adenotonsillectomy often present with conditions like sleep-disordered breathing or recurrent tonsillitis.
  • Geographic location and ethnicity are known factors influencing vitamin D levels.

Purpose of the Study:

  • To determine the prevalence of 25(OH) vitamin D deficiency in children scheduled for adenotonsillectomy.
  • To investigate potential correlations between vitamin D levels and clinical factors in this pediatric cohort.

Main Methods:

  • A cohort of 33 children (aged 4-16) in Auckland, New Zealand, undergoing adenotonsillectomy were enrolled.
  • Serum levels of 25(OH) vitamin D, iron, and zinc were measured during the study period.
  • Statistical analyses, including Spearman correlations and regression modeling, were employed.

Main Results:

  • 15.6% of children were vitamin D deficient (<50 nmol/L), and 78% had levels below 75 nmol/L.
  • Lower 25(OH) vitamin D levels correlated significantly with darker Fitzpatrick skin type, higher BMI, and larger tonsil size.
  • Fitzpatrick skin type and BMI were identified as significant predictors of vitamin D status.

Conclusions:

  • A high prevalence of suboptimal 25(OH) vitamin D levels (<75 nmol/L) was observed in children undergoing adenotonsillectomy.
  • Low vitamin D status was associated with darker skin, increased BMI, and larger tonsil size.
  • The findings suggest a potential link between vitamin D deficiency and the higher likelihood of adenotonsillectomy in certain ethnic groups, warranting further investigation.
Abstract

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