A blood test performed better than a tissue biopsy—the standard diagnostic tool—in detecting acute heart transplant rejection, National Heart, Lung, and Blood Institute (NHLBI) researchers found in a recent study.
The blood test detected acute rejection, which tends to occur 3 to 6 months after heart transplant surgery, as early as 28 days after transplant surgery and weeks earlier than an endomyocardial biopsy, even before any outward signs are evident.
Rubin R. Detecting Heart Transplant Rejection Earlier, More Easily. JAMA. 2021;325(8):712. doi:10.1001/jama.2021.1228
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