Hemoglobinopathies in South Gujarat population and incidence of anemia in them.
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Date
2012-09
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Abstract
Objective: To Screen of South Gujarat population for determination of prevalence of different hemoglobinopathies particularly beta thalassemia trait (BTT) and sickle cell trait (SCT) and find out the incidence of anemia in them.
Material and Methods: The present study screened 32,857 samples of students from different school and colleges in South Gujarat. Blood samples were initially tested for solubility test and complete hemogram on hematology analyzer. Samples having MCV (≤78), MCH (≤28) and/or positive solubility test were investigated for Hb electrophoresis on cellulose acetate membrane (pH 8.6). Hb A 2 level ≥3.5% was considered as diagnostic for BTT. High performance liquid chromatography on Biorad Hb variant system was done on samples having doubtful results.
Result: Overall prevalence of BTT and SCT in South Gujarat was 4.4% and 1.3% respectively. Gamit, Vasava, Chaudhary, and Mahyavanshi castes had high prevalence of BTT (15.9%, 13.6%, 12.6%, and 6.9%) as well as SCT (22.2%, 15.2, 22.3, and 4.2%) respectively. Other communities like Lohana (10.8%), Sindhi (10.2%), Prajapati (6.3%), and Ghanchi (6.2%) also showed higher prevalence of BTT. Incidence of mild to moderate anemia was higher in BTT and SCT compared to non-BTT or non-SCT subjects.
Conclusion : Study suggests that BTT is the most prevalent hemoglobinopathy in South Gujarat. β-thalassemia and Sickle cell anemia are highly prevalent in Mahyavanshi, Chaudhary, Gamit, Vasava and Rohit. Prajapati, Lohana, Leva Patel, and Ghanchi have β- thalassemia risk. SCT is more frequently detected in Dhodia Patel and Kukanas.
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Keywords
Hb D, Hb E, hemoglobinopathy, sickle cell trait, South Gujarat, β-thalassemia trait
Citation
Patel Ankur G, Shah Avani P, Sorathiya Smita M, Gupte Snehalata C. Hemoglobinopathies in South Gujarat population and incidence of anemia in them. Indian Journal of Human Genetics. 2012 Sept; 18(3): 294-298.