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Lack of penetration of cephacetril into the cerebro-spinal fluid of patients without meningitis

Fehlende Liquorgängigkeit von Cephacetril bei Patienten ohne Meningitis

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Summary

Six neurosurgical patients were given 2–4 g cephacetril intravenously at six hourly intervals. Serum and cerebrospinal fluid (CSF) concentrations were determined. Cephacetril activity was not detectable in the CSF when the blood-CSF barrier was intact. In two patients with increased CSF cell counts cephacetril was found in the CSF in low concentrations (0.1–0.8 mcg/ml). Our investigations show that cephacetril does not penetrate into the CSF unless there is an inflammation or other impairment of the blood-CSF barrier. Thus we could not confirm the results of some authors who found cephacetril in therapeutically effective concentrations in the CSF of healthy persons.

Zusammenfassung

Sechs neurochirurgische Patienten erhielten 2–4 g Cephacetril intravenös in sechsstündlichem Abstand. Serum und Liquorspiegel wurden bestimmt. Bei intakter Blut-Liquorschranke waren keine Cephacetrilkonzentrationen im Liquor nachweisbar. Bei zwei Patienten mit erhöhten Zellzahlen im Liquor wurde Cephacetril in niedrigen Konzentrationen (0,1–0,8 mcg/ml) nachgewiesen. Die Untersuchung zeigt, daß Cephacetril nur bei Entzündungen oder anderen Störungen der Blut-Liquorschranke in den Liquor gelangt. Die Ergebnisse einiger Autoren, die therapeutisch wirksame Liquorkonzentrationen von Cephacetril bei gesunden Patienten fanden, konnten wir nicht bestätigen.

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Friedrich, H., Hänsel-Friedrich, G. & Pelz, K. Lack of penetration of cephacetril into the cerebro-spinal fluid of patients without meningitis. Infection 7, 41–44 (1979). https://doi.org/10.1007/BF01640557

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  • DOI: https://doi.org/10.1007/BF01640557

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