Abstract
We have evaluated the long-term prognosis in an unselected group of adult patients either uni-nephrectomized in childhood because of hydronephrosis or born with unilateral renal agenesis. Thirty-six patients aged 7–47 years were followed for 7–40 years. In 23 control subjects aged 20–47 years the glomerular filtration rate (GFR) and thep-aminohippuric acid clearance (CPAH) did not change significantly with age. In patients with a single kidney the size of that kidney was larger and GFR and CPAH were higher than single kidney values in control subjects. However, in patients with a single kidney since childhood the GFR and the CPAH declined slowly but significantly during the follow-up period. Significant microalbuminuria occurred in 47% of the patients with a single kidney and was more frequent with a longer follow-up period. No patient had renal insufficiency or a marked increase in arterial blood pressure. We conclude that in patients with a single kidney since childhood the long-term prognosis is good, but the late decrease in GFR and increase in albumin excretion may indicate a moderate risk for premature renal damage.
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Wikstad, I., Celsi, G., Larsson, L. et al. Kidney function in adults born with unilateral renal agenesis or nephrectomized in childhood. Pediatr Nephrol 2, 177–182 (1988). https://doi.org/10.1007/BF00862585
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DOI: https://doi.org/10.1007/BF00862585