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Published on: October 31, 2025
Transfusion-related acute lung injury in the Canadian paediatric population
France Gauvin1, Pierre Robillard, Heather Hume
1Department of Paediatrics, CHU Sainte-Justine, Université de Montréal;
Insights
Transfusion-related acute lung injury (TRALI) is less common in children than adults. Further research is needed to determine if TRALI is truly less frequent in pediatric patients or simply underdiagnosed.
Area of Science:
- Pediatric critical care medicine
- Hematology
- Pulmonology
Background:
- Transfusion-related acute lung injury (TRALI) incidence in adults is ~1:5000 transfusions.
- TRALI is a serious adverse event following blood product transfusion.
- Understanding TRALI in pediatric populations is crucial for patient safety.
Purpose of the Study:
- To determine the incidence of TRALI in pediatric patients.
- To characterize the clinical presentation and outcomes of pediatric TRALI cases.
Main Methods:
- A three-year surveillance study was conducted.
- Data collected through the Canadian Paediatric Surveillance Program.
- Analysis of reported TRALI cases in children.
Main Results:
- Four cases of TRALI were reported during the study period.
- The incidence rate of TRALI in children was 1.8 per 100,000 transfusions.
- Severity varied, with two patients requiring supplemental oxygen and two needing mechanical ventilation.
Conclusions:
- TRALI appears less frequently reported in children compared to adults.
- Further investigation is required to ascertain if pediatric TRALI is underdiagnosed or genuinely less common.
- Neonates undergoing cardiac surgery may be a high-risk group for TRALI, warranting further study.
Background:
The incidence of transfusion-related acute lung injury (TRALI) in adults is approximately one per 5000 transfusions. The Canadian Paediatric Surveillance Program undertook the present study to determine the incidence of TRALI in the paediatric population and to describe the characteristics and outcomes of children with TRALI.
Methods:
The present surveillance study was conducted over a three-year period.
Results:
Four TRALI cases were reported, yielding an incidence rate of 1.8 per 100,000 transfusions. The degree of severity varied: in two patients, only supplemental oxygen was necessary, while the other two required mechanical ventilation.
Conclusion:
TRALI was reported much less often in the present study compared with adult studies; therefore, it needs to be determined whether TRALI occurs less frequently in children, or alternatively, whether TRALI is recognized less often in children. The possibility that neonates who undergo cardiac surgery are at greater risk of TRALI than other patients should be addressed in future studies.
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