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Receipt of a heart from an HCV-positive donor is associated with decreased survival in heart transplant recipients. This association appears to be independent of recipient HCV status and age. Preferential allocation of HCV-positive donors to HCV-positive recipients and/or older recipients is not warranted.

Background-Assessment of gene expression in peripheral blood may provide a noninvasive screening test for allograft rejection. We hypothesized that changes in peripheral blood expression profiles would correlate with biopsy-proven rejection and would resolve after treatment of rejection episodes. Methods and Results-We performed a case-control study nested within a cohort of 189 cardiac transplant patients who had blood samples obtained during endomyocardial biopsy (EMB). Using Affymetrix HU133A microarrays, we analyzed whole-blood expression profiles from 3 groups: (1) control samples with negative EMB (nϭ7); (2)