Abstract
Glucocorticoids tend to lower the intestinal absorption of calcium, leading to a negative calcium balance. A 7-year-old girl with hypoparathyroidism was maintained as normocalcaemic on 1-α-hydroxyvitamin D3 (1αD3) and calcium gluconate lactate. During an episode of aplastic anaemia she was treated with prednisolone, with a subsequent dramatic fall of serum calcium despite 1αD3 treatment and serum 1,25-dihydroxyvitamin D3 (1,25(OH)2D3) in the high-normal range. Glucocorticoids seem to have interfered directly with cellular events reponsible for intestinal absorption of calcium.
Abbreviations
- 1αD3 :
-
1-α-hydroxyvitamin D3
- 1,25(OH)2D3 :
-
1,25-dihydroxyvitamin D3
- PTH:
-
parathyroid hormone
- PTE:
-
parathyroid extract
- RIA:
-
radioimmunoassay
- TRP:
-
tubular reabsorption of phosphorus
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Vardi, P., Benderly, A., Etzioni, A. et al. Hypocalcaemia induced by glucocorticoids in a child with hypoparathyroidism treated with 1-α-hydroxyvitamin D3 . Eur J Pediatr 144, 280–282 (1985). https://doi.org/10.1007/BF00451962
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DOI: https://doi.org/10.1007/BF00451962