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Glomerular and Tubular Functions in Children and Adults with Transfusion-Dependent Thalassemia

Agageldi Annayev1, Zeynep Karakaş1, Serap Karaman1

  • 1İstanbul University İstanbul Faculty of Medicine, Department of Pediatric Hematology and Oncology, İstanbul, Turkey.

Turkish Journal of Haematology : Official Journal of Turkish Society of Haematology
|July 29, 2017
PubMed

This study aimed at assessing renal functions in patients with transfusion-dependent thalassemia (TDT). Fifty patients and 30 controls were enrolled in this prospective study. Serum levels of electrolytes and albumin were measured by a spectrophotometer. Serum levels of cystatin-C and urinary levels of β2-microglobulin were measured by nephelometric method. Thirty-eight patients were receiving deferasirox and 8 were on deferiprone. Serum electrolytes and albumin levels of the patients were found to be within normal ranges. Urinary β2-microglobulin and serum cystatin-C levels were significantly higher in patients than controls. They did not significantly differ between the subgroup of patients on deferiprone and the control group, whereas they were found to be higher in patients using deferasirox compared to controls. Urinary β2-microglobulin levels significantly increased in patients who were receiving high-dose deferasirox compared to those who were receiving a daily dose of 15-20 mg/kg or controls. Subclinical renal injury may be present in TDT patients.

Keywords:
GlomerulopathyThalassemiaTubulopathyβ2-Microglobulin Cystatin.

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