Office Closure Method for Perforated Tympanic Membrane Using Collagen Sheet.
1991
A new closure method was carried out on 281 ears with sizable tympanic perforations caused by trauma or chronic otitis media. This method combines trichloracetic acid cautery and a collagen sheet patch. Closure was successful in 91.1% of perforations due to trauma and in 68.6% of those due to chronic otitis media. The treatment time averaged 6.7 weeks and 16.3 weeks, respectively. This method is thought to be useful, especially in ENT office practice because it is easy and relatively prompt.
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