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Dose‐associated pulmonary complication rates after fresh frozen plasma administration for warfarin reversal

Essentials Fresh frozen plasma (FFP) may be associated with a dose‐based risk of pulmonary complications. Patients received FFP for warfarin reversal at a large academic hospital over a 3‐year period. Almost 20% developed pulmonary complications, and the risk was highest after > 3 units of FFP. T...

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Published in:Journal of thrombosis and haemostasis 2016-02, Vol.14 (2), p.324-330
Main Authors: Marshall, A. L., Levine, M., Howell, M. L., Chang, Y., Riklin, E., Parry, B. A., Callahan, R. T., Okechukwu, I., Ayres, A. M., Nahed, B. V., Goldstein, J. N.
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Language:English
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Summary:Essentials Fresh frozen plasma (FFP) may be associated with a dose‐based risk of pulmonary complications. Patients received FFP for warfarin reversal at a large academic hospital over a 3‐year period. Almost 20% developed pulmonary complications, and the risk was highest after > 3 units of FFP. The risk of pulmonary complications remained significant in multivariable analysis. Summary Background Fresh frozen plasma (FFP) is often administered to reverse warfarin anticoagulation. Administration has been associated with pulmonary complications, but it is unclear whether this risk is dose‐related. Aims We sought to characterize the incidence and dose relationship of pulmonary complications, including transfusion‐associated circulatory overload (TACO) and transfusion‐related acute lung injury (TRALI), after FFP administration for warfarin reversal. Methods We performed a structured retrospective review of patients who received FFP for warfarin reversal in the emergency department (ED) of an academic tertiary‐care hospital over a 3‐year period. Logistic regression was used to explore the relationship between FFP dose and risk of pulmonary events. Results Two hundred and fifty‐one patients met the inclusion criteria. Overall, 49 patients (20%) developed pulmonary complications, including 30 (12%) with TACO, two (1%) with TRALI, and 17 (7%) with pulmonary edema not meeting the criteria for TACO. Pulmonary complications were significantly more frequent in those who received > 3 units of FFP (34.0% versus 15.6%, 95% confidence interval for risk difference 7.9%–8.9%). After stratification by subtype of complication, only the risk of TACO was statistically significant (28.3% versus 7.6%, 95% confidence interval for risk difference 8.2%–16.6%). In multivariable analysis controlling for age, sex, initial systolic blood pressure, and intravenous fluids given in the ED, > 3 units of FFP remained a significant risk factor for pulmonary complications (odds ratio 2.49, 95% confidence interval 1.21–5.13). Conclusions Almost 20% of patients who received FFP for warfarin reversal developed pulmonary complications, primarily TACO, and this risk increased with > 3 units of FFP. Clinicians should be aware of and prepared to manage these complications.
ISSN:1538-7933
1538-7836
1538-7836
DOI:10.1111/jth.13212