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[Quality assurance and prevention of immuno-hemolytic incidents in blood transfusion].

Direct and indirect measures of the reliability of the transfusion process are described. These measures can be used to assess the improvement of the transfusion process with a view to preventing hemolytic incidents. Quality assurance arrangements required by their use are made clear. The stress is put upon four points: processes must be formalized and standardised; quality audits must become a routine part of the transfusion process; the system of error reporting must be extended to include all failures; anonymity must be insured to improve reporting.