Anemia is a common feature in chronic kidney disease patients due to deficiency of erythropoietin (EPO). Diseased kidneys are unable to produce EPO, which enhances red blood cell production from the bone marrow. Recombinant human EPO in hemodialysis patients was introduced with perfect outcomes as a hormonal substitutive treatment. Some ethnic minority groups have high prevalence of anemia associated with chronic kidney diseases. The aim of this study is to evaluate the differences between African Caribbeans and Caucasians' EPO therapy response with regard to hemoglobin (Hb), some factors affecting it and some comorbid conditions. A retrospective study for 6 months of 100 patients on hemodialysis was conducted on two ethnic minorities groups; 46 patients were African Caribbean and 54 patients were Caucasian, who received EPO therapy at once or three times weekly dose at the Hanbury Dialysis Unit of Royal London Hospital. There were three types of EPO therapy used: Aranesp, Mircera and Neorecormon. Forty-six patients were African Caribbean and 54 patients were Caucasian. There were 63.4% of patients treated by Aranesp while 13% were given Mircera; 22.8% of the sample used Neorecorman. It was shown that the chosen comorbid conditions had higher percentage in the African Caribbeans than in Caucasians. Diabetic and/or hypertensive patients are almost double the patient numbers. In addition, sickle cell anemia is only present in African Caribbeans. There were 43.5% of African Caribbeans and 81.1% of Caucasians who met the standards of Hb level. There was no significant difference between African Caribbeans and Caucasians regarding parathyroid hormone, c-reactive protein, B12, mean corpuscular volume, ferritin, and folate. In this study, there was a significant difference in the Hb levels between African Caribbean and Caucasian groups. Sixty percent of African Caribbeans had mean Hb less than normal levels. However, they received lower EPO dose than Caucasians. As a result, this may affect the whole treatment and therapy which may lead to anemic complications.
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