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Transfusion double whammy? Adrenaline-takotsubo-anaphylaxis-Kounis complex post transfusion?
1New Zealand Blood Service, Addington, New Zealand.
Vox Sanguinis
|February 22, 2022
Summary
Transfusion-associated adrenaline-takotsubo-anaphylaxis-Kounis (ATAK) complex, a rare condition, may occur more frequently than previously thought. This syndrome involves severe allergic reactions, heart failure, and takotsubo cardiomyopathy following blood transfusions.
Area of Science:
- Cardiology
- Allergy and Immunology
- Hematology
Background:
- The adrenaline-takotsubo-anaphylaxis-Kounis (ATAK) complex describes overlaps between takotsubo and Kounis syndromes.
- Mediators like histamine and adrenaline may play roles in the ATAK complex.
Purpose of the Study:
- To describe three cases of suspected ATAK complex following blood transfusion.
- To highlight the potential for transfusion-associated ATAK complex.
Main Methods:
- Case reports from the New Zealand Blood Service haemovigilance programme were analyzed.
- Three cases with features suggestive of the ATAK complex were identified.
Main Results:
- All patients received blood components and experienced severe allergic reactions.
- Patients were treated with adrenaline, leading to acute left ventricular failure or circulatory overload.
- Takotsubo cardiomyopathy features were observed in all three cases.
Conclusions:
- Transfusion-associated ATAK complex may be underreported.
- Specific transfusion circumstances might predispose individuals to this condition.
- Early recognition and further understanding of ATAK complex are crucial for managing potential modifiable risk factors.
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