Browsing by Author "Korkmaz, Mehmet Hakan"

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    The effect of N-acetyl cysteine on biofilm layers in an experimental model of chronic otitis media
    (Pacini Editore, 2020) Callioglu, Elif Ersoy; Bercin, Sami; Basdemir, Gulcin; Kiris, Muzaffer; Tatar, Ilkan; Tuzuner, Arzu; Korkmaz, Mehmet Hakan
    Objective. The aim of this study was to investigate the efficacy of N-acetylcysteine (NAC) on biofilm layers and on the course of disease in chronic otitis media. Methods. Twenty-five rats that were induced with chronic otitis media (COM) were separated into three groups. In Group 1 (N = 18), 0.2% ciprofloxacin + 0.1% dexamethasone sodium phosphate + 0.5 mg/ml NAC solution was locally injected to the right ear of the rats; in Group 2, (N=18) 0.2% ciprofloxacin + 0.1% dexamethasone sodium phosphate was locally injected to the left ear of the rats. No treatment was applied to either ear of rats in Group 3 (N = 5). Histopathological and scanning electron microscope (SEM) evaluations were performed in all groups. Results. SEM revealed biofilm formation in all COM induced groups. No significant difference was seen between groups 1 and 2 in terms of suppuration levels, fibrosis, inner ear involvement, infection staging and biofilm formation (p > 0.05). Conclusions. In this study, while histopathological and SEM evaluation revealed no effect of 0.5 mg/ml NAC on the biofilm layer in COM-induced rats, further studies with NAC at different concentrations are still needed on different types of experimental animals.