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Published on: March 14, 2017
Risks and benefits of transfusion for children with severe anemia in Africa
1Paediatric Intensive Care Unit, Great Ormond Street Hospital NHS Foundation Trust, Great Ormond Street, London WC1N 3JH, UK. thomas.brick@gmail.com.
Insights
Large volume blood transfusions (30 ml/kg) show promise for treating severe anemia in children, offering faster correction and potentially reducing transfusion risks. Further research is needed to confirm these findings in sub-Saharan Africa.
Area of Science:
- Pediatrics
- Hematology
- Global Health
Background:
- Severe anemia is a major cause of child mortality in sub-Saharan Africa.
- Current World Health Organization guidelines recommend 20 ml/kg for blood transfusions in severe anemia.
- Blood transfusions, while life-saving, carry inherent risks.
Discussion:
- A phase II trial in Eastern Uganda investigated large volume whole blood transfusions (30 ml/kg) for severe childhood anemia.
- This approach demonstrated more rapid and frequent correction of severe anemia compared to standard recommendations.
- Potential benefits include reduced transfusion frequency and better management of limited donor blood resources.
Key Insights:
- Early safety and efficacy data support the use of 30 ml/kg whole blood transfusions in severe pediatric anemia.
- Rapid physiological normalization may not always be optimal, highlighting the complexity of treating anemia with diverse etiologies.
- The study underscores the need for high-quality evidence to guide transfusion practices.
Outlook:
- A definitive trial is strongly recommended to confirm the benefits and risks of large volume transfusions.
- Further investigation into the optimal transfusion strategy for severe anemia, considering various underlying causes, is warranted.
- Improved management of severe anemia in children could significantly reduce mortality rates in resource-limited settings.
Abstract:
Severe anemia contributes significantly to child mortality in sub-Saharan Africa. Blood transfusion is used in emergencies but carries risks. In BMC Medicine, Olupot-Olupot and colleagues report the findings of a phase II trial in children with severe anemia in Eastern Uganda. They provide important early safety and efficacy data supporting large volume whole blood transfusion (30 ml/kg) compared with the World Health Organization recommendation of 20 ml/kg. Large volume transfusions result in more rapid and frequent correction of severe anemia; they can be expected to reduce the risk of transfusions, and help manage the scarce resource of donor blood. However, severe anemia arises from varying combinations of acute, sub-acute and chronic etiologies. The Fluid Expansion As Supportive Therapy study reminds us that the risks and benefits of even simple interventions are complex, and that rapid normalization of physiology may not always be the best strategy. There is no substitute for high quality evidence and to this end we strongly support Olupot-Oluput and colleagues' call for a definitive trial of large volume transfusions in severe anemia. Please see related research article http://www.biomedcentral.com/1741-7015/12/67/abstract.
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