Abstract

JUAN GARCIA, Isabel et al. Evolution of kidney function and progression factors in nephrectomised patients. Nefrología (Madr.) [online]. 2010, vol.30, n.2, pp.202-207. ISSN 1989-2284.

Data recorded from external visit in hospitals, reflects high number of nephrectomized patients. Most of these patients were remitted after any surgery or deteriorizated renal function or any other associated pathology. Several studies of nephrectomized patients are reported in literature concerning both healthy patients and comorbility factors, and renal function and its evolution are evaluated. However, obtained results present a wide variability, which needs to be assessed. In this study we present a retrospective observational study of 92 one-kidney surgical patients, visited in Nephrology surgery of University Clinic Hospital. Patients presented an average age of 67 years old (range 22-89 years old), and a post-surgery monitoring of 21 years. Population was divided in two groups according with their glomerular filtration (FG). Before surgery, group 1 presented FG <60 ml/min and group 2 >60 ml/min, respectively. Group 1 patients (a total of 24 patients) presented an FG average of 48 ml/min, 8% had proteinuria and 63% presented high blood pressure. 21% of them needed an average of 20 years (10-30 years) to reach E4 and E5 steps and in general, most of them progressed to insufficient renal chronic disease. Five cases achieved renal therapy replacement. Group 2 patients, composed of a total of 68 patients, had an FG average of 76.5 ml/min, and 10% of patients presented proteinuria and 34% HTA; however, 80% of group 2 patients achieve E3 step with average age of 17 years, and a post-surgery of 47 years (1-48 years). A total of 19.1 % presented an FG higher 60 ml/min with an average development of 22 years along their evolution. According to the results obtained it is suggested that monorrenal surgical patients present a low progression of renal disease and it is also observed a progressive tendency to the chronic renal failure due to emerging of proteinuria.

Keywords : Surgical solitary kidney patients; Proteinuria.

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