Endocrinopathies in adolescents with thalassaemia major receiving oral iron chelation therapy
2016
Background: Endocrinopathies are common in patients with thalassaemia major (TM) despite parenteral iron chelation therapy with deferoxamine. There are only a few studies on the efficacy of oral deferiprone in preventing endocrine dysfunction.Aim: To determine the growth and endocrine complications in children with TM receiving oral iron chelation with deferiprone.Methods: All adolescents with TM receiving regular blood transfusion and deferiprone were evaluated prospectively for growth and pubertal status over a 1-year period. Tests for endocrine function included oral glucose tolerance test, calcium, phosphate, alkaline phosphatase, parathyroid hormone and thyroid profile and, in those with delayed/arrested puberty, sex steroids and gonadotropins. Clonidine-stimulated growth hormone (GH) was measured in patients with height ≤−3 SD.Results: 89 patients [51 males, 38 females, mean (SD) age 13·6 (2·5) years] were evaluated. Mean (SD) pre-transfusion haemoglobin was 9·2 (1·1) g/dl and the mean (SD) age of s...
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