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Infectious Disease Burden after Solid Organ Transplantation (SOT) in the Swiss Transplant Cohort Study (STCS)
Conference Paper/Poster - Apr 30, 2011
Müller Nicolas J., Meylan Pascal, Garzoni Christian, Hirsch Hans H., Boggian Katia, Nadal David, Saccilotto R, Koller M, Van Delden Christian
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Infectious diseases (ID) are a major cause of morbidity and mortality after SOT. Since May 2008, the STCS has registered 95% of all SOT recipients in Switzerland. The extensive data set includes pre- and post-transplant variables that are prospectively collected at transplantation, 6 months post-transplant, and yearly thereafter. All ID events are recorded using internationally validated defi nitions. We obtained data from 1101 patients (79 heart, 685 kidney, 29 kidney-pancreas, 212 liver, and 96 lung transplants). So far the median observation times were 0.8 (IQR 0.3-1.4; heart); 1.1 (0.6-1.8, kidney); 1.1 (0.6-1.9, kidney-pancreas); 1.0 (0.5-1.7, liver); and 0.9 years (0.5-1.5, lung). The highest rates of proven or probable ID events were seen in lung (76%), followed by liver (64%), heart (62%), kidney-pancreas (62%), kidney (58%). During the observation period, ID was the cause of death in 19 patients (1.7%). Rates of infections per person-years according to pathogen and type of transplantation are shown in Figure 1. The data indicate that virus infections are only second after bacteria whereas fungi occur at relatively low rates. This prospective and standardized long-term collection of all ID events will allow a comprehensive assessment of the burden of ID across all SOT types in Switzerland. Regular analysis will identify new trends, serve as a quality control and help design anti-infectious interventions aiming at increasing safety and improving overall transplantation outcome.