Blood transfusion in a random sample of hospitals in France

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Abstract
BACKGROUND: Representative information on blood use is scarce. A large-scale study of blood recipients and blood use in France was conducted. STUDY DESIGN AND METHODS: Based on a random sampling, this study was carried out in teaching and other hospitals between March and December 1997. In each hospital, a patient was included if he or she received an allogeneic or an autologous transfusion during the observation period for that hospital. For each recipient, product and patient characteristics for 24 hours after inclusion were collected. RESULTS: From the 175 hospitals that had given a transfusion to at least one patient during the observation period, 3206 patients were included. Most transfusion recipients (57%) were over 65 years old; 42 percent were in teaching hospitals and 53 percent in medical wards. Among the 3044 adults, 91 percent received an allogeneic transfusion. Fifty-three percent of allogeneic units were WBC reduced. The indications most frequently reported for allogeneic transfusion were neoplasms (48%) and those for autologous transfusion were disorders of musculoskeletal (63%) or circulatory (15%) systems. The patients in nonteaching hospitals were more often transfused during surgery and were more likely to be aged and to have a musculoskeletal disorder than were patients in teaching hospitals. CONCLUSION: General collection of such data, within a system of traceability, could provide relevant denominators from which to interpret adverse-reaction data.