The impact of topical and systemic enoxaparin sodium use on traumatic tympanic membrane perforation and myringosclerosis

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
Arif BilgeAli Guvey

Abstract

The objective of this study is to investigate the effect of topical and systemic enoxaparin sodium on the healing pattern of experimentally induced tympanic membrane perforation and formation of myringosclerosis. A total of 24 Wistar-Albino strain rats were included in the study. Standard myringotomies were performed on each rat. In the first group, isotonic serum physiologic was dropped on external ear canal (control group). Topical enoxaparin was dropped on external ear canal and daily topical doses of enoxaparin were dropped on external ear canal of the rats for 14 days (topical treatment group). Third group received subcutaneous injections of enoxaparin for 14 days (systemic treatment group). Five micrometer thick sections of the bullae of the rats were stained with H&E. Inflammation, edema and sclerotic lesions and neovascularization observed in the lamina propria layer of the tympanic membrane, and total thickness of the tympanic membrane were evaluated. In intergroup comparisons, significant difference in the distribution pattern of severity of inflammation in all three groups was not observed (p = 0.784, p > 0.05). Total TM thickness differed among all three groups (p = 0.028, p < 0.05). A statistically significant diff...Continue Reading

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