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[Functional, histological, biochemical renal modifications. Comparative study of dibekacin, gentamicin, tobramycin,
Abstract:
In this study, we evaluate the nephrotoxic potential of dibekacin (D) compared to gentamicin (G), tobramycin (T), amikacin (A) and netilmicin (N). The mean features of aminoglycoside nephrotoxicity are: a lysosomal membrane fragilization, a lysosomal phospholipidosis characterized by a decrease activity of sphingomyelinase, an increase lysosomal volume with both an increase of individual size and an increase number of lysosomes, a cell necrosis and renal failure. We have quantified these parameters biochemically and morphometrically. We can classify, considering doses and durations, the aminoglycosides as gentamicin greater than or equal to netilmicin greater than dibekacin = tobramycin greater than amikacin for decreasing nephrotoxic incidence.