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Long-term experiences on cardiac retransplantation in adults

Department of Thoracic & Cardiovascular Surgery, Heart & Diabetes Center North Rhine Westphalia/University Hospital of Bochum, Bad Oeynhausen, Germany

Received 11 July 2007; received in revised form 16 August 2007; accepted 22 August 2007.

^_* Corresponding author. Address: Wielandstrasse 11, 32545 Bad Oeynhausen, Germany. Tel.: +49 5731 8696921. (Email: ystjang{at}hotmail.com).

Background: It remains disputed whether cardiac retransplantation should be performed. This study aimed to evaluate our long-term experiences on cardiac retransplantation in adults. Patients and methods: Between March 1989 and December 2004, 2% (28/1290) of cardiac retransplantations were performed. Results: The reasons for cardiac retransplantation were cardiac allograft vasculopathy (n = 13; 47%), primary graft failure (n = 11; 39%), and refractory acute rejection (n = 4; 14%). The 30-day mortality risk was 29% (acute rejection: 50%; primary graft failure: 36%; cardiac allograft vasculopathy: 15%, p = 0.324), compared to 8.5% for primary cardiac transplantation (p < 0.001). The causes of early death were acute rejection (n = 3; 37%), multiorgan failure (n = 3; 37%), primary graft failure (n = 1; 13%), and right ventricular failure (n = 1; 13%). The late mortality rate was 96/1000 patient-years. The causes of late death were acute rejection (n = 4; 50%), cardiac allograft vasculopathy (n = 2; 25%), multiorgan failure (n = 1; 13%), and infection (n = 1; 13%). The 1-, 5-, 10-, and 15-year survival was respectively 78, 68, 54, and 38% (primary cardiac transplantation), and 46, 41, 32, and 32% (cardiac retransplantation) (p = 0.003). The short-term survival for cardiac retransplantation due to cardiac allograft vasculopathy was likely better than primary graft failure and refractory acute rejection (p = 0.09). Conclusion: The overall outcomes of cardiac retransplantation are significantly inferior to primary cardiac transplantation. Cardiac retransplantation should be only performed for selected patients.

Key Words: Retransplantation • Cardiac • Adult • Mortality • Survival