Acta oto-laryngologica · 2017
Evaluation of the protective effect of Botulinum toxin type A injection on otitis media with effusion.
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Çalım Ömer Faruk, Yıldırım Yavuz Selim, Doğan Remzi, Tuğrul Selhattin, Gedik Özge, Özturan Orhan
Аннотация
OBJECTIVE: This study makes an analysis of the effect of Botulinum toxin type A on otitis media with effusion in rats.
METHOD: As part of the study, 24 male Wistar Albino rats were divided into three groups: Group 1: Botulinum toxin Type A and Histamıne (intratympanic 0.2 ml = 20 unit BTA); Group 2: Saline and Histamine (intratympanic 0.2 ml 0.9%); Group 3: Histamine (intratympanic 0.2 ml). Histamine (intratympanic 0.2 ml) was administered into the right ear for all groups. DPOAE and ABR tests were carried out on days 5, 10, 15 and 20 from the beginning of the study.
RESULTS: There was no significant difference between DPOAE and ABR scores of the groups. In each group, the DPOAE scores for the right ear significantly decreased on day 5 when compared to the basal scores. In each group, there was no significant difference between days 5, 10 and 15 for the right ear.
CONCLUSIONS: Botulinum toxin type A blocked the secretion of glands in the middle ear and showed no effect to prevent the formation of serous otitis. In addition, it was found out that Botulinum toxin did not lead to any morphological change in the cochlea.
METHOD: As part of the study, 24 male Wistar Albino rats were divided into three groups: Group 1: Botulinum toxin Type A and Histamıne (intratympanic 0.2 ml = 20 unit BTA); Group 2: Saline and Histamine (intratympanic 0.2 ml 0.9%); Group 3: Histamine (intratympanic 0.2 ml). Histamine (intratympanic 0.2 ml) was administered into the right ear for all groups. DPOAE and ABR tests were carried out on days 5, 10, 15 and 20 from the beginning of the study.
RESULTS: There was no significant difference between DPOAE and ABR scores of the groups. In each group, the DPOAE scores for the right ear significantly decreased on day 5 when compared to the basal scores. In each group, there was no significant difference between days 5, 10 and 15 for the right ear.
CONCLUSIONS: Botulinum toxin type A blocked the secretion of glands in the middle ear and showed no effect to prevent the formation of serous otitis. In addition, it was found out that Botulinum toxin did not lead to any morphological change in the cochlea.