Abstract: Introduction and objectives: To analyze the evolution of kidney function after radical nephrectomy and to evaluate risk factors for adverse cardiovascular events during a long follow-up.
Material and methods: Retrospective study of patients submitted to radical nephrectomy due to renal cancer from January of 1996 to January of 2016. We evaluated their renal function after nephrectomy and during follow-up. We analyzed the possible predictive factors for adverse cardiovascular events with univariate and multivariate logistic regression analyses.
Results: There was an acute drop in glomerular filtration rate (GFR) after nephrectomy (21.2ml/min), which stabilized during follow-up in most cases. We evaluated the possible predictive factors for adverse cardiovascular events with logistic regression analyses, which presented previous cardiovascular disease (0,270, 95% CI 0,123-0,594, P<.001), diabetes (0,364, 95% CI 0,162-0,818 P=.015) and de novo hypertension (0,239, 95% CI 0,098-0,581, P=.002) as independently associated with the occurrence of adverse cardiovascular events.
Conclusion: There was a deleterious effect in renal function after nephrectomy which remained stable during subsequent years in most patients. Approximately half of our patients had a GFR lower than 60mL/min after nephrectomy. Previous cardiovascular disease, diabetes and de novo hypertension were shown as risk factors for adverse cardiovascular events.
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