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Arch Iran Med. 2018 Dec 1;21(12):589-594.

Children With Vitamin D Deficiency: Is A Wrist X-Ray Necessary?

Author information

1
Non-Communicable Pediatric Diseases Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, IR Iran.
2
Department of Pharmacology, Faculty of Medicine, Babol University of Medical Sciences, Babol, IR Iran.
3
Social Determinants of Health Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, IR Iran.

Abstract

BACKGROUND:

Rickets is failure in mineralization of growing bone and cartilage due to extreme vitamin D deficiency (VDD). The study aimed to identify rickets among vitamin D deficient children and determine any relationship between clinical findings and paraclinical evidence.

METHODS:

This study was conducted in two stages. In the first stage, blood was drawn from 406 children aged 30-72 months for measurement of 25(OH)D level. Of these children, 108 had 25(OH)D levels of <20 ng/dL and were evaluated physically for signs and symptoms scores (0-1) of VDD and rickets. Biochemical analysis and radiography of the child's left wrist and hand was performed.

RESULTS:

Of the 119 children (29.67%) with 25(OH)D levels of <20 ng/dL, 42 (10.3%) had vitamin D levels of ≤15 ng/dL. There was no correlation between serum 25(OH)D level and levels of calcium (Ca) (r = -0.16), alkaline phosphatase (ALP) (r = -0.12), P (r = 0.13), and parathyroid hormone (PTH) (r = -0.15,) in children with VDD. The mean of signs and symptoms scores had no significant difference between children with (1.59 ± 0.8) and without (1.73 ± 1.01) VDD (P = 0.3). None of the children with VDD had radiographic evidence of rickets. Radiographic data showed that 69.2% (72), 10.6% (11), and 20.2% (21) of the children had delayed, normal, and advanced bone age, respectively.

CONCLUSION:

Abnormal radiological findings of rickets were not found on wrist X-rays. Thus, this investigation is not necessary within the range of vitamin D levels described in the current study.

KEYWORDS:

Children; Radiography; Rickets; Vitamin D deficiency

PMID:
30634857
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