Effet des dons de sang répétés sur la ferritinémie et les paramètres de l’hémogramme chez le donneur de sang d’Afrique subsaharienne

Feteke, L; Kueviakoe, M.I.; Edorh, L.D.; Mawussi, K.; Magnang, Hézouwè; Halatoko, A.W.; Layibo, Yao; Vovor, A.; Segbena, AY; Murphy, Elena Rodríguez; Lefrère, Jean‐Jacques; Shiboski, Caroline H.

doi:10.1016/j.tracli.2015.06.173

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“…Factors associated with iron deficiency on the one hand, and with anemia and iron deficiency anemia on the other hand, were, respectively, the number of donations (especially after the third) and the female sex. These are factors traditionally reported in the literature [ 6 , 7 , 9 , 17 , 25 , 30 ]. In the Nzengu-Lukusa study in the Democratic Republic of Congo, iron deficiency was associated with the male sex: 70.42% in men compared to 33.33% in women.…”

Section: Discussionmentioning

confidence: 99%

“…To prevent these risks and avoid inappropriate donations, a number of strategies are being implemented by some teams, including limiting the annual number of blood donations and predonation screening for iron defciency and anemia leading to deferral of blood donation below a certain threshold of eligibility for blood donation [2,5,6]. In Africa, its practice is not systematic, and several studies have shown that iron defciency and anemia in general are frequent and can afect, respectively, up to 63% and 36.5% of blood donors [7][8][9][10][11]. Furthermore, iron defciency was the main but not exclusive cause of anemia.…”

Section: Introductionmentioning

confidence: 99%

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Prevalence of Iron Deficiency, Anemia, and Associated Factors in a Blood Donor Population in Brazzaville, Congo

Galiba Atipo-Tsiba,

Gayaba Mouyabi,

Angounda

et al. 2023

Anemia

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Introduction. Blood donation is not without risk to the donor. It results in a substantial loss of iron and decreased hemoglobin. In our country, no predonation assessment is carried out and the selection of blood donors is only clinical. Objectives. To determine the prevalence of iron deficiency, anemia, and iron deficiency anemia and to identify the factors associated with anemia and iron status in a blood donor population at the National Center for Blood Transfusion (NCBT). Methodology. A prospective study is carried out that consists of 120 blood donors in three NCBT branches in the capital from June to November 2021. The donors were divided into 3 groups: first time donors (FTDs), occasional donors (ODs) who have already made between 1 and 3 previous donations, and regular donors (RDs) with at least 4 previous donations. Iron deficiency was defined by a serum ferritin value of less than 30 ng/mL in men and 20 ng/mL in women. Anemia was defined by Hb levels below 13 g/dL in men and 12 g/dL in women. Iron deficiency anemia was defined by association of anemia and iron deficiency. The chi-square test was used for the comparison of the proportions. The odds ratio with the 95% confidence interval was calculated to assess the association between two variables. The p value of the probability was considered significant for a value < 0.05. Results. Mean serum ferritin and hemoglobin values were lower in RD in both sexes. The prevalence of iron deficiency, anemia, and iron deficiency anemia were 16.66%, 31.66%, and 10.83%, respectively. The factors associated with the three abnormalities were female sex, donor type, including RD, and number of previous donations. Conclusion. Iron deficiency, anemia, and iron deficiency anemia are common among blood donors in Brazzaville. Anemia affects almost a third of blood donors and is not always linked to iron deficiency. Safety of donors should be improved by systematic measurement of ferritinemia and hemoglobin levels before allowing donations for appropriate management in the event of abnormalities.

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