Abstract
As part of a quality assurance process in the transfusion service of a hospital blood bank of Yaoundé, Cameroon, a selection of units of red cell concentrates (RCC) were evaluated for volume, haemoglobin, and haematocrit levels as well as blood cell content. Blood samples were all collected into standard double blood bags containing an anticoagulant, citrate-phosphate-dextrose and adenine. During a three-month period, 35 bags intended for the preparation of the RCC were analysed. After relevant screening for transfusion transmissible infections ,and ABO and rhesus (RH1) blood grouping, the bags were centrifuged to obtain RCC. The resultant red cell bags were weighed and the volumes estimated. Full blood counts were performed on samples of the RCC using an electronic particle counter (DIANA 5, HYCEL Diagnostics, Reims, France). The results obtained showed that, based on ISO 9001: 2000 norms, there were 57, 66 and 80% of RCC respectively with volumes, hemoglobin levels as well as hematocrit that were in conformity with the norms. When the data was analysed based on the Algerian norms, 83, 66 and 95% respectively conformed. The significance of these findings and the need for establishing local norms for quality assurance in our community are discussed.
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