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Nefrología (Madrid)
versión On-line ISSN 1989-2284versión impresa ISSN 0211-6995
Resumen
DORADO DIAZ, A. et al. Characteristics of patients registered with chronic renal disease in Castilla y León and survival analysis of transplanted patients and their grafts. Nefrología (Madr.) [online]. 2011, vol.31, n.5, pp.579-586. ISSN 1989-2284.
Introduction: Chronic kidney disease (CKD) is an important public health problem. Kidney transplantation is associated with increase survival and improvement of quality of life. Objectives: To describe the sociodemographic and clinical characteristics of patients registered in Castilla y León. To perform a survival analysis of transplant patients and their grafts. To evaluate survival depending on the transplant centre. Methods: Descriptive study with data collected until 31 December 2008 from the Registro de Diálisis y Trasplante Renal de la Comunidad de Castilla y León (REDI). The data was described differentiating prevalent and incidents patients. Survival data was assessed with the Kaplan-Meier method. Results: On 31 December 2008, 2.498 patients were on Renal Replacement Therapy (RRT) (976.8 pmp); in 2008, 337 started treatment (131.8 pmp) and 94 received kidney transplant (36.8 pmp). The first cause of CKD for incident patients is diabetes (25.0%), followed by vascular deseases (18.1%). For prevalent patients: glomerulonephritis (16.5%) and diabetes (14.4%). Differences (p = 0.0021) were observed for the treatment initiation age, group of disease and prevalent patients (p <0.0001). During 11 years 1.062 transplants were performed in 1.012 patients and 879 are still functioning (83%). In this period, the survival probability for the transplant patients is 81.076% (± 0.023), and for the 838 patients with first functioning graft is 89.336% (± 0.016). Median graft survival is between 8.7 and 9.3 years (95% confidence). Conclusions: Most of the transplants during the last 11 years are still functioning. There are no differences when comparing graft survival at the approved centers in Castilla y León (p = 0.358).
Palabras clave : Kidney transplantation; Dialysis; Chronic kidney disease; Renal replacement therapy; Survival; Kaplan-Meier.