BACKGROUND: Long-term success of renal transplantation depends upon the quality of the donor organ, avoidance of peritransplant and early posttransplant damage (rejection), and optimal maintenance of graft function after the first 6-12 months. Glomerular filtration rate (GFR) at 1 year is a standard way to evaluate short-term success, whereas calculated GFR at 5 years gives a better appreciation of long-term outcomes. The objective of this study was to assess the effect of various demographic and transplant-related parameters on renal function via GFR at 1 year and 5 years post transplantation, using univariate and multivariate data analysis. METHODS: Data on 1-year GFR were available from 10,397 patients, whereas 2,889 patients provided data on both 1-year and 5-year GFR. All patients were enrolled in the Neoral Multinational Observational Study in Transplantation (Neoral-MOST), an ongoing, prospective, observational study of adult renal transplant recipients. RESULTS: One-year GFR was the most relevant predictor for 5-year GFR. In a multifactorial analysis (ANCOVA) using 1-year GFR as a continuous variable, the effects of several highly relevant parameters from univariate analysis (such as acute rejection and delayed graft function) on 5-year GFR appeared to be fully mediated by their influence on 1-year GFR, whereas immunological risk factors like HLA match or previous transplantation had an ongoing effect on graft function beyond year 1. CONCLUSIONS: The findings of this study corroborate and augment data from previous registry surveys, and confirm the importance of observational studies in investigating the role of peritransplant parameters on long-term graft outcome.
BACKGROUND: Long-term success of renal transplantation depends upon the quality of the donor organ, avoidance of peritransplant and early posttransplant damage (rejection), and optimal maintenance of graft function after the first 6-12 months. Glomerular filtration rate (GFR) at 1 year is a standard way to evaluate short-term success, whereas calculated GFR at 5 years gives a better appreciation of long-term outcomes. The objective of this study was to assess the effect of various demographic and transplant-related parameters on renal function via GFR at 1 year and 5 years post transplantation, using univariate and multivariate data analysis. METHODS: Data on 1-year GFR were available from 10,397 patients, whereas 2,889 patients provided data on both 1-year and 5-year GFR. All patients were enrolled in the Neoral Multinational Observational Study in Transplantation (Neoral-MOST), an ongoing, prospective, observational study of adult renal transplant recipients. RESULTS: One-year GFR was the most relevant predictor for 5-year GFR. In a multifactorial analysis (ANCOVA) using 1-year GFR as a continuous variable, the effects of several highly relevant parameters from univariate analysis (such as acute rejection and delayed graft function) on 5-year GFR appeared to be fully mediated by their influence on 1-year GFR, whereas immunological risk factors like HLA match or previous transplantation had an ongoing effect on graft function beyond year 1. CONCLUSIONS: The findings of this study corroborate and augment data from previous registry surveys, and confirm the importance of observational studies in investigating the role of peritransplant parameters on long-term graft outcome.
Authors: Caragh P Stapleton; Andreas Heinzel; Weihua Guan; Peter J van der Most; Jessica van Setten; Graham M Lord; Brendan J Keating; Ajay K Israni; Martin H de Borst; Stephan J L Bakker; Harold Snieder; Michael E Weale; Florence Delaney; Maria P Hernandez-Fuentes; Roman Reindl-Schwaighofer; Rainer Oberbauer; Pamala A Jacobson; Patrick B Mark; Fiona A Chapman; Paul J Phelan; Claire Kennedy; Donal Sexton; Susan Murray; Alan Jardine; Jamie P Traynor; Amy Jayne McKnight; Alexander P Maxwell; Laura J Smyth; William S Oetting; Arthur J Matas; Roslyn B Mannon; David P Schladt; David N Iklé; Gianpiero L Cavalleri; Peter J Conlon Journal: Am J Transplant Date: 2019-03-28 Impact factor: 8.086
Authors: Elisa J Gordon; Thomas R Prohaska; Mary P Gallant; Ashwini R Sehgal; David Strogatz; Recai Yucel; David Conti; Laura A Siminoff Journal: Transpl Int Date: 2009-07-10 Impact factor: 3.782