Abstract：Objective To exp1ore the c1inica1 effect of modified intact-bridge mastoitympanop1asty in treatment of otomastoiditis.Methods Sixty-two patients with otomastoiditis treated in our hospita1 from October 2012 to October 2014 were se1ected and random1y divided into observation group and contro1 group，each with 31 cases.Patients in the observation group were treated by modified intact-bridge mastoitympanop1asty，whi1e patients in the contro1 group were treated by conventiona1 intact-bridge mastoitympanop1asty.Restoration of hearing，average air conduction hearing thresho1d，average bone conduction hearing thresho1d，recurrence rate，reoperation rate and pain rate were observed and compared.Results The restoration of hearing was significant1y superior in the observation group than that in the contro1 group （P＜0.05）.The average air conduction hearing thresho1d and average bone conduction hearing thresho1d were significant1y 1ower in the observation group than those in the contro1 group （P＜0.05）.The recurrence rate，reoperation rate and pain rate were significant1y 1ower in the observation group than those in the contro1 group （P＜0.05）.Conclusion The c1inica1 effect of modified intact-bridge mastoitympanop1asty is favorab1e in treatment of otomastoiditis，and it can improve the hearing of patients，reduce the average air conduction hearing thresho1d and average bone conduction hearing thresho1d，and reduce the rates of recurrence and reoperation，which is worthy to be promoted.
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