A Study of Interlay Grafting in Type 1 Tympanoplasty for Large Central Perforation.

The objective of the study was to study the outcomes of interlay type 1 tympanoplasty in large central perforations in terms of graft uptake, hearing improvement and complications. Study included 150 symptomatic patients having large central perforation in tympanic membrane willing for surgery who later underwent tympanoplasty with or without cortical mastoidectomy. All the patients selected for study, were assessed for subjective and objective evaluation pre-operatively and then post-operatively after 4 months.