All patients living in St. Petersburg, but have a different ethnic composition:
40% - Azerbaijanis;
33.8% - Russian, who (according to them) haven’t Caucasian or Mediterranean roots;
11.3% - Bulgarians, Cypriots;
8.7% - Dagestan;
6.2% - patients of mixed families (one parent - Russian, the other - from the Caucasus or Mediterranean).
Diagnosis thalassemia set on the basis of red blood cells parameters (microcytosis - the MCV <80 fl, hypochromia - MCH <27 pg, Mentzer index <11.4) and hemoglobin fractions (Hb A2> 3% and / or Hb F> 1%).
Molecular diagnostic was performed at 65 patients (men - 31, women - 34, from 2 to 58 years) with a diagnosis of beta-thalassemia (minor and major), were examined and treated at The Consultative and Diagnostic Center for Children and The Russian Research Institute of Hematology and Transfusiology (Saint-Petersburg).
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