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Background
Donor‐derived cell‐free DNA (dd‐cfDNA) testing is an emerging screening modality for noninvasive detection of acute rejection (AR). This study compared the testing accuracy for AR of two commercially available dd‐cfDNA and gene‐expression profiling (GEP) testing in heart transplant (HTx) recipients.
Methods
This is a retrospective, observational study of HTx only patients who underwent...