Objectives And Methods: 219 heart transplant recipients with survival over 3 months were retro- and prospectively analysed for the incidence of primary neoplasms. Patients received immunosuppressive drugs (cyclosporine A, azathioprine, steroids) with a 4-5 days induction course of Rabbit Anti-Thymocyte Immunoglobulin (RATG) or monoclonal antibodies induction /OKT3/ in some cases. Anti-rejection treatment consisted of pulse doses of methyloprednisolon or RATG.
Results: 9 cases of malignancy (4.1%) with one case of pre-malignant liver condition (dysplasia gigantocellulare, 0.45%) were found (8M; 1F; age: 45-67 y.o., x57.7). Symptoms of neoplasms occurred 7-79 months (x31.4) postoperatively. Skin carcinomas: planoepitheliale, spinocellulare, soft tissue neoplasms/mesenchymal sarcoma, larynx Ca planoepitheliale, lung: adenocarcinoma and Ca microcellulare, kidney Ca clarocellulare and post transplant non-Hodgkin lymphoma were diagnosed. Chemo- and radiotherapy, surgery and reduction of immunosuppression did not change the outcome of malignancy in 6 pts.; (regression-1 pt was., remission-2 pts). Patients died 7-86 months after Htx (x41), 4-25 mos. (x12.5) after suffering from first symptoms and 0-10 months (x4.9) after pathology-based diagnosis of neoplasm.
Conclusions: Heart transplant recipients have an increased risk of carcinogenesis. The incidence of malignancies in the studied group is similar or even lower than in other reports.
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