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  • Title: Intrarenal reflux and renal damage.
    Author: Bourne HH, Condon VR, Hoyt TS, Nixon GW.
    Journal: J Urol; 1976 Mar; 115(3):304-6. PubMed ID: 1255892.
    Abstract:
    The retrograde flow of dye from the calices into the collecting tubules (intrarenal reflux) seen during cystrography in children and its effect on the kidneys were evaluated. A retrospective analysis was made of 175 patients with excretory urograms revealing cortical atrophy. Of these patients 68 per cent had cystograms revealing vesicoureteral reflux. Intrarenal reflux was seen in 8 patients less than 6 years old, an incidence of 13.5 per cent in that age group. There was a high correlation, 7 of 8 or 87.5 per cent, between the areas of intrarenal reflux, and associated renal cortical atrophy and calicectasis. Intrarenal reflux provides a pathway by which bacteria and hydrostatic pressure may produce injury to the renal parenchyma. The presence of intrarenal reflux is an absolute indication for ureteroneocystostomy.
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