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Archivos argentinos de pediatría

Print version ISSN 0325-0075On-line version ISSN 1668-3501


BUYUKKARAGOZ, Bahar et al. Can soluble transferrin receptor be used in diagnosing iron deficiency anemia and assessing iron response in infants with moderate acute malnutrition?. Arch. argent. pediatr. [online]. 2017, vol.115, n.2, pp.125-132. ISSN 0325-0075.

Objective. To evaluate the efficacy of soluble transferrin receptor (sTfR) in diagnosing iron deficiency anemia (IDA) and evaluating iron response in infants with moderate acute malnutrition (MAM). Population and methods. Infants withhemoglobin (Hb) levels lower than threshold values for anemia for their ages and hypochromic/ microcytic anemia on peripheral smear were recruited. MAM was defined as weight/height z score < -2 to -3. Complete blood count (CBC), iron parameters and sTfR were compared among 41 infants with MAM and anemia (MA group), 32 infants with anemia without MAM (group A), and healthy controls (n= 30). Following anemia and malnutrition treatment, tests were repeated. Results. Besides hematological indices compatible with IDA, serum iron (Fe) and transferrin saturation (TS) were significantly lower, while transferrin was significantly higher in MA and A groups compared to controls (p <0.001). Ferritin and C-reactive protein (CRP) were significantly higher in MA group (p <0.05 ferritin, p <0.01 for CRP). Mean sTfR was similar in both MA and A groups (p >0.05) and significantly higher than controls (p <0.001). Following iron treatment, sTfR decreased inboth MA and A groups (p <0.001) to similar values as controls. sTfR was negatively correlated to Hb throughout the study (for MA group, r= -0.350, p <0.05; for A group, r= -0.683, p <0.01). Conclusions. As sTfR values in both MA and A groups decreased following iron treatment, we believe that this parameter was not influenced by MAM or inflammation; and it alone can be used to detect IDA and monitor treatment response in infants with MAM.

Keywords : Transferrin receptor; Iron deficiency anemia; Malnutrition; infants.

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