Trace Element Levels and Socio-Demography of Pre-Teen Nigerians with Homozygous Sickle Cell Disorder
K. O. Shittu, F. A. Egbeleke, A. A. Iyanda
Annual Research & Review in Biology · pp. 13–19 · Published 5 Feb 2022
10.9734/arrb/2022/v37i230483Abstract
Objectives: Homozygous sickle cell disorder (SCD) children are known to have abnormal anthropometric parameters which mostly have been linked with altered zinc status. Alteration in trace element status which occurs from interaction between essential and non-essential elements has not been well studied in SCD. Therefore, the aim of the study is to relate concentrations of Zn, Cd, and Pb with anthropometric parameters. Moreover, it will be established if correlation (interaction) exists between zinc and these two non-essential elements. Methods: Twenty-seven SCD patients and 25 age and sex-matched children with hemoglobin genotype HbAA served as test and control groups respectively. Anthropometric parameters and information on demography, dietary zinc status and socio-economic status were obtained. The plasma and red cells obtained from 5 mL of blood were used to determine zinc and heavy metal (Pb, Cd) levels respectively by atomic absorption spectrophotometry. Data were analyzed using Student`s t-test, Chi- square test, and Pearson’s correlation coefficient. P< 0.05 was considered significant. Results: There were significant differences in the mean values of mid-upper-arm circumference, weight and BMI. On the other hand, there were no significant differences in mean values of head circumference, height and the trace elements in test and control groups. No association between trace elements and BMI as well as between dietary zinc content and socio-economic status was observed. Conclusion: the result of the study suggests there is no correlation between the toxic metals and zinc, and it seems that toxic metals play no role in abnormal BMI that is a common feature of SCD.
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