Congenital obstructive uropathy can lead to end stage renal disease during childhood or young adulthood. However, the risk of end stage renal disease seems to decrease eventually. Poor kidney function at presentation is associated with worse renal prognosis.
Abstract.A group of 44 individuals were re-evaluated at a median follow up time of 19 years after radiotherapy for childhood cancer involving some part of the vertebral column. The median age at diagnosis was 2.6 years. The diagnoses included Wilms' tumour (n = 24), neuroblastoma (n = 9) and other solid tumours (n = 11). Scoliosis with or without kyphosis was the most common spinal deformity and was found in 40/44 patients. The apex of the major curvature was on the lumbar vertebral body 1-3 in 23 cases. The kyphosis and lordosis were greater in the subjects with tumour other than Wilms' (P = 0.04 both). Of the subjects restudied, 35 had detectable local soft tissue atrophy in the region of irradiation. Scoliotic deformity often enhanced cosmetic handicap/defect. Five subjects reported some symptoms related to the back; they had more severe scoliotic and kyphotic deformity (P = 0.02). Spinal abnormalities were common in these survivors, but subjective complaints were unusual.
In patients with posterior urethral valves vesicoureteral reflux is often associated with poorly functioning kidneys. Accordingly patients with bilateral reflux have decreased overall kidney function. Reflux resolves in half of ureters within 2 years after valve ablation. Reflux resolves more rapidly in unilateral cases.
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