Αρχειοθήκη ιστολογίου

Κυριακή 6 Αυγούστου 2017

Doing Mastoidectomy Along with Tympanic Membrane Repair Reduces the Need for Revision Procedures: A Prospective Study

Abstract

To determine the role of cortical mastoidectomy on the results of tympanoplsty in tubotympanic type of chronic suppurative otitis media. A prospective, observational, interventional study was conducted from a period of October 2006–October 2008. This included 40 patients of either sex in the age group of 15–45 years having tubotympanic type of CSOM. Tympanoplasty with mastoidectomy was done in all the patients and they were followed up for graft acceptance and hearing impairment for 5 years to see the long term results. Per-operatively, the antrum was involved in 17, aditus in 11 and middle ear in 8 patients. Incus was necrosed in 10 cases and malleus and incus were absent in a single case. Mucoid discharge was found in the middle ear in 12 out of 40 patients. Mucoid discharge ears had antral mucosal hypertrophy in 100%, blocked aditus in 75% and middle ear mucosal hypertrophy in 58% cases; ossicular necrosis in 75% cases. 90% of the cases had graft accepted. In dry ears, graft take up rate was 89% and in ears with mucoid discharge it was 92%. Average air–bone–gap reduced to 13.90 dB as compared to average air–bone–gap (Av. AB Gap1) preoperatively of 38.62 dB. After 5 years, 83.5% patients had >10 dB improvement in hearing. We recommend opening of the mastoid if on inspection of middle ear one finds mucoid type of discharge.



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