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Abstract Objective To explore and compare the efficacy between postauricular sandwich method and underlay method for tympanic membrane repair .[Methods] Totally 80 patients(92 ears) requiring tympanic membrane repair were collected and randomly divided into sandwich method group ( n =42 ,46 ears) and un-derlay method group( n =38 ,46 ears) .Postoperative auditory rehabilitation ,pre-and post-operation speech frequency ,average auditory threshold ,tympanic membrane 3 months after operation and the healing rate 6 months after operation were observed .[Results] The postoperative auditory rehabilitation in sandwich method group was better than underlay method group( P<0 .05) .Postoperative speech frequency and average audito-ry threshold in sandwich method group were obviously higher than those in underlay method group ( P <0 .01) .There was significant difference in the incidence of reperforation and otopiesis 3 months after the fol-low-up between two groups( P<0 .05) .There was significant difference in the healing rate 6 months after the operation between two groups ( P < 0 .05) .[Conclusion]The short-term efficacy in postauricular approach sandwich method is the same as that in underlay method ,but it is more beneficial for auditory rehabilitation , so it is an ideal method for the treatment of tympanic membrane perforation .
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2014, Vol. 31 
