Analysis of preoperative and peroperative features and postoperative outcomes and affecting factors, in chronic otitis surgery

Analysis of Preoperative and Peroperative Features and Postoperative Outcomes and Affecting Factors, in Chronic Otitis SurgeryOur study aims to retrospectively review preoperative and intraoperative findings and postoperative results and check the factors affecting the success of surgery in patients with chronic otitis media surgery.Between January 2007 and June 2012 in Gazi University Faculty of Medicine department of ENT , 1510 ears of 1398 patients which operated on with diagnosis of chronic otitis media were analyzed about preoperative and intraoperative characteristics. Postoperative resuts in terms of postoperative outcome in 376 ears of 376 patient were analyzed.In this study, cases divided six subgroups in terms of diagnosis, according to the findings of operation and otomicroscopic examinations. The most common diagnosis is simple chronic otitis media with rate of 39,9% recpectively. The majority of cases were underwent tympanoplasty without mastoidectomy. In cholesteatoma patients, the open technique is preferred commonly. In otomicroscopic examination of cases, central perforations were the most common finding.The cases were followed-up, factors affecting the success of hearing and graft take were investigated. Hearing success was found as 75,8% in all cases. While, hearing results was the highest in simple chronic otitis media, in cases of cholesteatoma and tympanosclerosis were observed worst. Preoperative hearing level, state of ossicles, especially stapes, state of middle ear mucosa were found to be effective for the success of hearing.In our study, the graft-take-rate was found to be 78,6% in all groups of chronic otitis. While, the graft take rate was the highest in central perforations, subtotal and anterior perforations were found to be worse. Status of the middle ear mucosa was found to be an important factor affecting the success of the graft. There was no difference in the graft take rate in pediatric patients and adults, but in elderly patients were decreased.As a conclusion, in chronic otitis media surgery there were many factors which can effect the success rate of operation. These factors should evaluate carefully and suitable treatment strategy was performed for every patient individually.Key words: otitis media, middle ear cholesteatoma, tympanoplasty