Normal Values for <sup>13</sup>N-Ammonia PET-derived Metrics in Heart Transplant Patients
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The authors aimed to establish normal reference values for myocardial blood flow (MBF), myocardial blood flow reserve (MBFR), and left ventricular parameters in heart transplant (HT) recipients using <sup>13</sup>N-ammonia PET imaging. By evaluating 266 HT recipients and comparing results from two software programs, they found that while there was a strong relationship between metrics, the agreement was moderate to good, highlighting the importance of software-specific thresholds for assessing cardiac health in transplant patients.
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