Parathyroid hormone as a functional indicator of vitamin D sufficiency in children

摘要

There has been debate on what constitutes physiologically normal 25-hydroxyvitamin D serum levels in children. The Institute of Medicine and the American Academy of Pediatrics have recommended that 25-hydroxyvitamin D levels in children be more than 50 nmol/L. The Canadian Paediatric Society has suggested that 25-hydroxyvitamin D levels be more than 75 nmol/L. Given the long time course for the development of chronic health outcomes that may be related to low vitamin D levels in children, physiological indicators of vitamin D sufficiency would be helpful.