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Daily single-dose gentamicin therapy in experimental pyelonephritis

Gentamicin-Therapie mit täglicher Einmaldosis bei experimenteller Pyelonephritis

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Summary

The therapeutic efficacy of gentamicin given once or three times a day was compared in a model of experimental renal infection in rats. The same amount of gentamicin given either in a single injection or three injections a day produced no statistically significant difference in the treatment of incipient infection. The effect of this mode of administration on advanced infection depended on the length of the therapy. After five days, administration of the same dose given in a single injection or three injections did not result in significant differences. After ten days the therapy proved more effective when gentamicin was injected three times a day. In comparison a single daily dose, amounting to two thirds of the total dose when given three times a day every eight hours, revealed after five days of therapy a statistically significantly lower bacterial count in the kidney than three daily injections of gentamicin.

Zusammenfassung

An dem Modell einer experimentellen Niereninfektion bei Ratten haben wir die therapeutische Wirksamkeit einer Gabe mit der von drei täglichen Gaben von Gentamicin verglichen. Im Frühstadium der Infektion ist die Wirkung der beiden Therapieformen nicht statistisch unterscheidbar. Die Wirkung der verschiedenen Verabfolgungsintervalle auf die fortgeschrittene Infektion hing von der Dauer der Therapie ab. Wurde dieselbe Dosis auf einmal oder in drei Injektionen verabreicht, stellte man nach fünf Tagen keine statistischen Unterschiede fest. Nach zehn Tagen wurde die Therapie wirksamer, wenn die Tagesmenge dreimal täglich injiziert worden ist. Der Vergleich einer einmaligen Tagesdosis, die zwei Drittel der dreimal täglich je acht Stunden verabreichten Gesamtdosis betrug, zeigte nach fünf Tagen eine statistisch niedrigere Keimzahl in der Niere als nach drei Injektionen täglich.

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Hatala, M., Morávek, J., Prát, V. et al. Daily single-dose gentamicin therapy in experimental pyelonephritis. Infection 5, 232–235 (1977). https://doi.org/10.1007/BF01640787

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  • DOI: https://doi.org/10.1007/BF01640787

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