Imran Saeed, Muhammad Akhlaq, Omar.
Tympanoplasty Type 1: a Comparison between Underlay Technique of Myringoplasty with Over under Technique of Myringoplasty.
Pak J Med Health Sci Jan ;8(2):291-4.

Aim: To compare the underlay myringoplasty with over under myringoplasty with respect to post operative hearing improvement and rate of graft up take. Setting: Department of ENT, Sir Ganga Ram Hospital Lahore Duration of study: October 208 to October 2010 Sample Size: A total of 60 patients divided equally in two groups were underwent myringoplasty and been followed for 3 months. Sample technique: Non probability purposive sample with random allocation to the two study groups using random number table. Method: Group I underwent underlay myringoplasty and group II was managed by over under myringoplasty. Result: In group I, 25(83.3%) patients had a full take of the graft at the 3-month follow-up. In group II, 27(90%) patients had a full take of the graft at the 3-month follow-up. These patients did not develop severe graft lateralization, infection or blunting (p 0.7). In group I, the hearing improvement or the decrease in air bone gap is by 11±7.2db while in group II, the improvement of hearing or decrease in air bone gap is by 12.2±7db (p 0.52). Conclusion: There were high success rate of graft up take and considerable hearing improvement in both techniques of myringoplasty. No statistically significant difference in both the techniques was proved.

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