Abstract
Periprocedural blood transfusions are associated with long-term mortality in patients undergoing transcatheter aortic valve implantation (TAVI). We sought to assess the impact of a preoperative blood conservation approach in treating anemia and preventing blood transfusions in patients undergoing TAVI. Our cohort consisted of all patients evaluated in our structural heart clinic between January 1, 2012 and December 31, 2014. From March 2013, all anemic TAVI candidates were referred to the blood conservation clinic (BCC). We evaluated the effectiveness of the program to increase hemoglobin levels and to decrease the blood transfusion rates in the TAVI cohort. A multivariable logistic regression model was used to evaluate the association of being assessed by the BCC with receipt of a blood transfusion. The cohort included 239 patients, 62% of whom were anemic. Beginning in March 2013, 60 patients were evaluated in the BCC and treated with intravenous/oral iron or subcutaneous epoetin alfa, or both. Patients who underwent blood conservation had a significant increase in hemoglobin levels from 10.8 ± 1.1 g/dL to 11.8 ± 1.2 g/dL (P < 0.001). Implementation of the BCC was associated with a substantial decrease in the average blood tr...Continue Reading
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