• Ryo Nishisako.
• Department of Anesthesiology, Teine Keijinkai Hospital, Maeda Sapporo, Hokkaido, Japan. nql41544@nifty.com
• J Anesth. 2012 Jun 1;26(3):460-3.

AbstractThere are very few case reports of transfusion-related acute lung injury (TRALI) under close hemodynamic monitoring. We encountered a case of possible TRALI during on-pump coronary artery bypass grafting (CABG). A 66-year-old man who had undergone on-pump CABG was administered fresh frozen plasma (FFP). One hour after FFP transfusion, pulmonary hypertensive crisis and subsequent hypoxic decompensation occurred. A second cardiopulmonary bypass (CPB) was needed for circulatory and respiratory deterioration. Extracorporeal life support (ECLS), intraaortic balloon pumping (IABP), and nitric oxide therapy were required after the surgery. Despite the severity of the initial state, his recovery was comparatively smooth. ECLS and IABP were removed on postoperative day (POD)1; the patient was extubated and discharged from the ICU on POD7 and POD12, respectively. The diagnosis of TRALI was confirmed by human leukocyte antigen antibody detection in the administered FFP. In addition, lymphocytic immunofluorescence test showed that a cross-match of the plasma from the pooled FFP against the recipient leukocytes was positive. The clinical course of the pulmonary artery hypertension was followed by a decrease in dynamic lung compliance. The mechanism of this phenomenon is unclear. However, it might suggest the possibility of vasoconstriction or obstruction of the peripheral pulmonary artery preceding lung damage, as in the case in animal models reported previously.

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