The effects of mannitol, methylprednisolone, furosemide, inosine, indomethacin and captopril on the recovery from hydronephrosis were examined in rat kidneys. After 1 week of ureteral obstruction, left ureterocystostomy was performed in order to release the obstruction. Following ureteral release, mannitol, methylprednisolone, inosine, furosemide, captopril and indomethacin were given intravenously or orally. A saline group and non-treated control rats were also examined for comparison. 4 weeks after ureterocystostomy, 0.5 µCi of 203Hg-labelled chlormerodrin was given intravenously and the animals were sacrificed 48 h later. The left kidneys were significantly heavier in the mannitol-, methylprednisolone-, and inosine-treated groups than those of the control groups. The chlormerodrin uptake ratios of the left kidneys were significantly higher in the mannitol-, methylprednisolone-, captopril- and indomethacin-treated groups than in the control groups. These results suggest that the release of obstruction solely is not complete treatment for hydronephrosis, but that appropriate medical treatment may enhance the recovery from hydronephrosis.

Keywords:
Hydronephrosis, recovery from, Mannitol, Prednisolone, Furosemide, Inosine, Captopril, Indomethacin
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© 1985 S. Karger AG, Basel
1985
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