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Abstract
The aim was to assess the myocardial functions in infants with iron deficiency anemia (IDA). The findings of 22 infants with IDA and 16 healthy infants were compared. Complete blood count in all infants, serum iron level, total iron binding capacity (TIBC), and serum ferritin level in patients were evaluated. Echocardiography with tissue Doppler imaging (TDI) was performed in all infants. The mean hemoglobin was 8.5 versus 11 g/dL, hematocrit was 26.7 versus 33.1% and the mean corpuscular volume (MCV) was 59.8 versus 72.2 fL in patients and controls, respectively. The median serum iron level was 14.5 μg/dL, TIBC was 444 μg/dL, and serum ferritin level was 4.9 ng/mL in patients. There were significant differences between patients and controls for the myocardial performance indexes of the left ventricle (LV) (0.57 vs. 0.45, P < .05), interventricular septum (IVS) (0.56 vs. 0.48, P < .05), and the right ventricle (RV) (0.56 vs. 0.41, P < .05). The similar significances were also present for the ejection times (ET) of the LV (173.1 vs. 212.1 ms, P < .05), IVS (173.7 vs. 195.6 ms, P < .05), and RV (169.9 vs. 213.3 ms, P < .05). In spite of negatively significant correlations between hemoglobin, hematocrit, MCV and MPI, the correlations between these parameters and ET were positively significant. However, there were no correlations between serum iron level, TIBC, serum ferritin level, and the TDI parameters of patients. According to these findings, we could say that, the IDA affects the myocardial functions in a negative manner.