High serum ferritin levels during puberty are a risk factor for hypogonadism, and high serum ferritin levels during the first decade of life predict final short stature. It remains to be determined whether improving chelation by earlier initiation of DFO or by the combined use of DFO and deferiprone will lead to better growth and sexual development without DFO toxicity.

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These results with the longest follow-up period in the literature suggest that i.v. high-dose DFO for 8-10 h daily may be as effective as continuous 24-h infusion for the reversal of established cardiac disease in TM.

Early cholelithiasis was detected in children and young adults with HS. To identify this complication, the authors recommend early annual biliary ultrasonography in HS children, starting at about 4 years of age. In patients with Gilbert syndrome, closer follow-up may be indicated.