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OBJECTIVES Demand for heart transplant donors worldwide continues to outstrip supply. Transplanting hearts following donation after circulatory-determined death (DCD) is increasingly recognized as a safe and effective alternative. As the fourth centre worldwide to have established such a programme, our goal was to present our initial experience. METHODS This was a single-centre retrospective observational study. All DCD hearts were retrieved using direct procurement and perfusion. Continuous normothermic perfusion of the procured heart was then established on the TransMedics® Organ Care System. The primary outcome of this study was the 30-day survival rate. RESULTS Between May 2017 and December 2018, 8 DCD hearts were procured and 7 were subsequently implanted, including in 2 patients who had left ventricular assist devices explanted. During the same time period, 30 patients received donation after brainstem death heart transplants. Therefore, the DCD heart transplant programme led to a 23% increase in transplant activity. The median donation warm ischaemic time was 34 min [interquartile range (IQR) 31–39 min]. The median functional warm ischaemic time was 28 min (IQR 25–30 min). The median time spent by the organ on the Organ Care System was 263 min (IQR 242–296 min). The overall 30-day survival rate was 100% and the 90-day survival rate was 86%. Postoperative extracorporeal membrane oxygenation was required in 3/7 (43%). CONCLUSIONS DCD heart transplants can lead to a 23% increase in heart transplant activity and should be adopted by more institutions across the world. Already established transplant programmes with good early outcomes can start such a programme safely.

Establishing a heart transplant programme using donation after circulatory-determined death donors: a United Kingdom based single-centre experience