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Postoperative pulmonary edema, transfusion-related?--a case report
Yung-Tai Chung1, Yu-Cheng Wu, Yi-Hung Chen
1Department of Anesthesiology, Changhua Christian Hospital, 135 Nanhsiao Street, Changhua, 500, Taiwan, R.O.C. 73260@cch.org.tw
Summary
Transfusion-related acute lung injury (TRALI) is a severe immune response. This case highlights a postoperative pulmonary edema compatible with TRALI, emphasizing the need for donor identification to prevent future reactions.
Area of Science:
- Immunology
- Pulmonary Medicine
- Transfusion Medicine
Background:
- Transfusion-related acute lung injury (TRALI) is a severe transfusion reaction.
- TRALI is typically caused by antibody-leukocyte antigen interactions.
- Biologically active lipids are also implicated in TRALI pathogenesis.
Observation:
- A postoperative pulmonary edema temporally and clinically compatible with TRALI was observed.
- The patient received blood products from multiple donors (3-4).
- Definitive laboratory diagnosis was challenging due to the complexity of the case and delayed recognition.
Findings:
- The patient experienced a severe pulmonary edema consistent with TRALI.
- Supportive therapies led to full recovery within 36 hours.
- The implicated donor could not be identified.
Implications:
- Identifying the implicated donor is crucial for preventing future transfusion reactions.
- Failure to identify the donor perpetuates the risk of TRALI.
- This case underscores the importance of timely diagnosis and donor traceability in transfusion medicine.