Abstract
Background: Myringoplasty is a surgical technique used to restore the integrity of tympanic membrane and to improve hearing level. Objective: To compare the three surgical modalities for Myringoplasty - Overlay, Underlay and Interlay in cases of Chronic Suppurative Otitis Media with Inactive Mucosal Disease in large central perforation. Material and Methods: This is a prospective study of 18 months (January 2013 to June 2014) duration conducted in department of E.N.T, Era’s Lucknow Medical College, Lucknow and data was collected from the 90 patients admitted for Myringoplasty. 30 in each group. Results were calculated in terms of graft accepted or rejected and decrease in air bone gap. Result: Maximum number of graft rejection were observed in Overlay 5/30 and minimum in Interlay 2/30. Post operatively after 16 weeks mean air bone gap was maximum reduced in Interlay and minimum in Overlay Myringoplasty. Conclusion: The present study showed that Interlay technique had a better graft take and hearing improvement in large central perforation of Chronic Suppurative Otitis Media.
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