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ID is especially prevalent in female, premenopausal, frequent WB donors. Strategies to combat ID should be implemented, specifically targeting this group.

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An 8-week postdonation course of 45 mg of carbonyl iron significantly reduced iron deficiency and was well tolerated in female whole blood donors. Postdonation iron replacement may have a role in a broader strategy to optimize donor iron status.

BACKGROUND Determination of blood donor hemoglobin (Hb) levels is a pre‐requisite to ensure donor safety and blood product quality. We aimed to identify Hb measurement practices across blood donation services and to what extent differences associate with low‐Hb deferral rates. METHODS An online survey was performed among Biomedical Excellence for Safer Transfusion (BEST) Collaborative members, extended with published data. Multivariable negative‐binomial regression models were built to estimate adjusted associations of minimum donation intervals, Hb cut‐offs (high, ≥13.5 g/dL in men or ≥ 12.5 g/dL in women, vs. lower values), iron monitoring (yes/no), providing or prescribing iron supplementation (yes/no), post‐versus pre‐donation Hb measurement and geographical location (Asian vs. rest), with low‐Hb deferral rates. RESULTS Data were included from 38 blood services. Low‐Hb deferral rates varied from 0.11% to 8.81% among men and 0.84% to 31.85% among women. Services with longer minimum donation intervals had significantly lower deferral rates among both women (rate ratio, RR 0.53, 95%CI 0.33‐0.84) and men (RR 0.53, 95%CI 0.31‐0.90). In women, iron supplementation was associated with lower Hb deferral rates (RR 0.47, 95%CI 0.23‐0.94). Finally, being located in Asia was associated with higher low‐Hb deferral rates; RR 9.10 (95%CI 3.89‐21.27) for women and 6.76 (95%CI 2.45‐18.68) for men. CONCLUSION Differences in Hb measurement and eligibility criteria, particularly longer donation intervals and iron supplementation in women, are associated with variations in low‐Hb deferral rates. These insights could help improve both blood donation service efficiency and donor care.

BACKGROUND Iron deficiency represents a risk to donor health and the blood supply. Efficacy trials indicate that postdonation iron replacement improves iron stores but they do not account for complexities of implementation in the routine collection context. We therefore conducted two prospective feasibility studies in Australian donor centers. STUDY DESIGN AND METHODS In both studies we recruited female donors between 18 and 45 years who had made at least one donation in the previous 12 months. In READ (replacement advice), female donors were given a recommendation to self‐procure postdonation iron. In DIRECT (donor iron replacement), donors were provided with a course of iron supplements. Donors could return to donate at their discretion and were surveyed after the recruitment visit and again toward the end of the 13‐month follow‐up. Donor uptake, adverse effects, effectiveness in maintaining iron stores, and workflow impact were assessed. RESULTS We recruited 1404 (70.9% of invited) donors to READ and 768 (53.2% of invited) to DIRECT. READ and DIRECT extended predonation interviews by 1 and 5 minutes, respectively. Among participants, 44 and 88% took iron in READ and DIRECT, respectively. Adverse effects were common but usually mild. READ failed to maintain iron stores in the population, but was effective in donors who consumed more than 75% of the recommended dose. DIRECT was effective in preventing declines in ferritin concentration. CONCLUSION Trade‐offs between cost, complexity, uptake, and effectiveness must be considered in the implementation of postdonation iron supplementation.

Background and Objectives In 2018, Australian Red Cross Lifeblood changed its plasmapheresis eligibility criteria to allow donors to donate plasma without the requirement of a prior successful whole blood donation. This study evaluated the impact of this policy change on donor retention and donor safety. Materials and Methods All donors who had attempted to give their first plasma or whole blood donation from January to June 2018 were included in this retrospective cohort study. Donor characteristics and adverse events were analysed for this index donation, and the cohort was followed for 18 months to analyse time to return, subsequent donation frequency and predictors of return. Results Male and younger donors provided a significantly greater proportion of first donation plasma than females and older donors. New donors who gave plasma had the highest rate of donor adverse events, including vasovagal reactions and phlebotomy injuries. Nevertheless, donor retention was not affected, with more new donors returning and at a greater subsequent donation frequency after a plasma donation compared to new donors donating whole blood. Firsttime plasma donors who had previously donated whole blood, however, had greater and quicker rates of return, and more subsequent donations. Conclusion Offering new donors the option to give plasma had a positive effect on donor return and subsequent donation frequency. Removing the requirement of a prior whole blood donation is a viable way to increase plasma collections although the combined effect of new donor status and plasmapheresis procedure on adverse event risk needs to be considered.

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