Amoxicillin concentrations in nasal secretions of patients with acute uncomplicated sinusitis and in paranasal sinus mucosa of patients with chronic sinusitis

European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
G KmentJ Mühlbacher

Abstract

In this prospective randomized clinical study a total of 59 patients of both sexes (above 18 years of age) were enrolled. Thirty patients with acute sinusitis were randomly allocated to two treatment groups, one group receiving 1000 mg amoxicillin every 12 h for 10 days and the other group receiving 500 mg amoxicillin every 8 h for 10 days. The median concentration of amoxicillin in nasal secretions was 2.34 micrograms/ml in the 12-h administration group and 1.95 micrograms/ml in the 8-h administration group. Median bioavailability of antibiotic at 8-24 h did not show any statistical differences between the two treatment schemes [probability (Z) = 0.2]. Twenty-nine patients with chronic sinusitis were then randomly allocated to three groups, with patients receiving 1000 mg amoxicillin at 12, 8 or 6 h before nasal and/or sinus surgery was carried out. The mean amoxicillin concentrations in mucosal tissues removed intraoperatively ranged from 0.69 to 0.99 microgram/g samples. Statistical evaluation by analysis of variance did not show any statistically significant differences among the three treatment groups [probability (F) = 0.1705]. In all cases of acute and chronic sinusitis, amoxicillin concentrations exceeded minimum inhibi...Continue Reading

Citations

May 4, 2010·Acta otorrinolaringológica española·J De HaroJ A González Ares
Mar 19, 2014·Otolaryngologia polska. The Polish otolaryngology·Jarosław MiłońskiJurek Olszewski
Mar 22, 2014·The Tohoku Journal of Experimental Medicine·Hidetoshi OshimaYukio Katori
Feb 27, 2020·The Cochrane Database of Systematic Reviews·Lee-Yee ChongMartin J Burton
Apr 9, 2020·Frontiers in Cellular and Infection Microbiology·Michael GouzosSarah Vreugde

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