Perforation of the tympanic membrane (TM) is a frequent cause of conductive hearing loss. Persistent TM perforations often require surgical repair with an autologous tissue graft to restore hearing and prevent recurrent infection. While highly efficacious, this method of closure requires a relatively complex and expensive microsurgical procedure. We have recently developed a chronic TM perforation model in the chinchilla for use in the exploration of novel methods of TM repair.
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