期刊
BONE MARROW TRANSPLANTATION
卷 49, 期 5, 页码 684-690出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/bmt.2014.17
关键词
transplant-associated thrombotic microangiopathy; allo-SCT; tacrolimus; sirolimus; risk factors
Transplantation-associated thrombotic microangiopathy (TA-TMA) is a feared complication of allogeneic hematopoietic SCT (HSCT) owing to its high mortality rate. The use of calcineurin inhibitors or sirolimus (SIR) for GVHD prophylaxis has been suggested as a potential risk factor. However, the impact of tacrolimus (TAC) and SIR combinations on the increased risk of TA-TMA is currently not well defined. We retrospectively analyzed the incidence of TA-TMA in 102 allogeneic HSCT recipients who consecutively received TAC plus SIR (TAC/SIR) (n = 68) or plus MTX (TAC/MTX) +/- ATG (n = 34) for GVHD prophylaxis. No significant differences were observed in the incidence of TA-TMA between patients receiving TAC/SIR vs TAC/MTX +/- ATG (7.4% vs 8.8%, P = 0.8). Only grade III-IV acute GVHD, previous HSCT and serum levels of TAC > 425 ng/mL were associated with a greater risk of TA-TMA. Patients developing TA-TMA have significantly poorer survival (P < 0.001); however, TA-TMA ceased to be an independent prognostic factor when it was included in a multivariate model. In conclusion, the combination of TAC/SIR does not appear to pose a higher risk of TA-TMA. By contrast, we identified three different risk groups for developing TA-TMA.
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