Autologous serum eardrops therapy with a chitin membrane for closing tympanic membrane perforations

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology
Seiji KakehataHideichi Shinkawa

Abstract

Office treatment for chronic tympanic membrane (TM) perforations has limitations, and alternative methods to myringoplasty are sometimes needed. Serum lacks antigenicity and contains a large variety of growth factors known to modulate proliferation of various tissues to promote wound healing effects. Our purpose was to evaluate the feasibility of autologous serum eardrops therapy with a chitin membrane for closing TM perforations. In the outpatient clinic, the perforation margin was cauterized with silver nitrate, and the perforation was covered with a chitin membrane. Patients were instructed to apply autologous serum eardrops daily. Patients were examined every 2 weeks, and the procedure was repeated. We treated 19 sequential patients with chronic TM perforation in 1 ear between October 2005 and September 2007. Closure of the TM was achieved in 11 (58%) of 19 ears, and reduction of the perforation size was observed in 2 ears (11%). Closure rates for small, medium, and large perforations were 57 (8 of 14), 0 (0 of 1), and 75% (3 of 4), respectively. Closure rates for perforations attributable to intratympanic dexamethasone treatment, after myringoplasty and chronic otitis media were 67 (2 of 3), 67 (2 of 3), and 54% (7 of 13),...Continue Reading

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Sep 11, 2013·International Journal of Biological Macromolecules·Chul Ho JangGeun Hyung Kim
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