A comparative study of underlay and overlay techniques of type I tympanoplasty
Journal Title: Medpulse International Journal of ENT - Year 2019, Vol 9, Issue 2
Abstract
Background: Tympanoplasty is now an established surgery for tympanic membrane perforations being carried out routinely by otorhinolaryngologists. Type I Tympanoplasty refers to any operation involving reconstruction of the tympanic membrane defect. Autologous graft materials such as temporalis fascia, tragal perichondrium, cartilage, fat, and fascia lata have stood the test of time in repairing tympanic membrane perforations. Keeping all these factors in mind, my attempt is to compare results with other literatures so that the present “comparative study of underlay and overlay techniques of type I tympanoplasty” is better analysed and understood to evaluate the postoperative graft take-up and hearing improvement. It will help the suffering mankind, especially the cases of chronic suppurative otitis media, medical fraternity and society at a larger scale in proper surgical management, prevention of complications and in reducing recurrence. Methods: is a prospective study of 100 patients who had attended the OPD of ENT department of Darbhanga Medical College and Hospital and were being operated for tympanic membrane perforation during the period of October 2015 to April 2017. The patients were followed up for six months from the date of operation. The study was conducted in the department of ENT of Darbhanga Medical College and Hospital. Results: In this study the age range of patients were from 13 to 48 years, although most patients were within 20-30 years of age. In our study the number of females was more than the number of males and male: female ratio was 1:1.22. Left sided disease was predominant in our study and right: left ratio was 1:1.38. Mean duration of symptoms was 7.37 (+/- 4.25) years. Discharge with hearing loss was the predominant symptom. The size of perforation was mostly small (70%) and the status of middle ear was mostly normal or healthy (90%). Conclusion: According to our results, overlay and underlay techniques of tympanoplasty are equally effective in terms of graft success rate and hearing improvement, but in terms of complications underlay technique is superior to overlay technique.
Authors and Affiliations
Shaheen Zafar, Rizwan Ahmad, Manoj Kumar
Keywords
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