Impact of early massive transfusion and blood component ratios in patients undergoing left ventricular assist device implantation.
2021
Background This study evaluates the impact of early massive transfusion and blood component ratios on outcomes following left ventricular assist device (LVAD) implantation. Methods Adults undergoing LVAD implantation between 2009 and 2018 at a single institution were included. Transfusions were analyzed during the intraoperative and the initial 24-h postoperative period. Patients were stratified into massive and nonmassive transfusion groups. The primary outcome was survival, and secondary outcomes included postoperative complications. Sub-analyses were performed to evaluate the impact of balanced transfusion. Results A total of 278 patients were included. A total of 45.3% (n = 126) required massive transfusions. The massive transfusion group experienced significantly higher rates of postimplant adverse events, including reoperation, renal failure, and hepatic dysfunction (all, p ≤ .05). Furthermore, the massive transfusion group had significantly lower 30-day, 90-day, 1-year, 2-year, and overall survival rates following LVAD implantation (all, p .05). However, balanced platelet to pRBC massive transfusion did improve 2-year and overall mortality rates in the massive transfusion cohort (both, p ≤ .05). Conclusions This study demonstrates a significant association between early massive transfusion and adverse outcomes following LVAD implantation. Balancing platelet to pRBC transfusion in the early postoperative period may help mitigate some of these detrimental effects of massive transfusion on subsequent survival.
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