• E Laurén, L Vikatmaa, E Kerkelä, T Kivipuro, T Krusius, M Syrjälä, J Ihalainen, and V Pettilä.
• Finnish Red Cross Blood Service, Helsinki, Finland.
• Transfus Med. 2019 Feb 1; 29 (1): 41-47.

ObjectivesThe current trends in RBC use and pre- and post-transfusion Hb levels were analysed to improve practice and to provide international comparison.BackgroundIndications for RBC transfusion have changed with growing scientific evidence. The lowest acceptable haemoglobin (Hb) level has decreased, and transfusing single units instead of pairs has become the new standard. Evidence-based guidelines and patient blood management (PBM) programmes increase clinician awareness of rational RBC use. In Finland, however, no formal PBM programme has been established to date.MethodsThe study was registry-based, retrospective and observational. All RBC transfusions for adult patients from 2011 to 2016 in the southern region of Finland were analysed.ResultsRBC usage decreased from 34·9 to 27·5 units per 1000 population (P < 0·001). The percentage of single-unit transfusions increased from 57·9 to 66·7%, and the median pre- and post-transfusion Hb levels decreased from 8·4 to 8·2 g dL-1 (P < 0·001) and 9·9 to 9·6 g dL-1 (P < 0·001), respectively. The proportion of transfusions with pre-transfusion Hb ≥ 9·0 g dL-1 decreased during the study period but remained high, being 29·5% in 2011 and still 25·2% in 2016.ConclusionsConsumption of RBCs has decreased despite aging population and increasing healthcare performance demands. The results indicate more rational and evidence-based RBC use. Nevertheless, the transfusion rate and pre- and post-transfusion Hb are still sufficiently high to enable more restrictive transfusion practice.© 2018 British Blood Transfusion Society.

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