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Patterns of tympanic membrane perforation in Ibadan: a retrospective study


SA Olowookere
TS Ibekwe
AA Adeosun

Abstract

Background: Tympanic membrane perforations vary in size, shape and position. The degree of conductive deafness varies with the size and position of the tympanic membrane perforation.
Objective: This study is to determine the pattern and causes of tympanic membrane perforation.
Method: Hospital based study at the ENT Clinic, UCH, Ibadan. Consecutive patients seen during the period of study with ear symptoms were interviewed and examined by ENT surgeons. This information was entered into computer and analyzed using SPSS v 11.
Result: Thirty-three (13.5%) of the 244 patients were found to have tympanic membrane perforation. Fifteen (45.5%) patients were new while 18 (54.5%) were follow up patients. There were 13 (39.4%) males and 20 (60.6%) females. The type of perforation seen were central 57.6%, subtotal 33.3%, total 6.1%, marginal 3.0%. The sides affected were left ear 45.5%, right ear 15.2%, and both ears 39.4%. The causes found were chronic suppurative otitis media (CSOM) 90.9%, acute suppurative otitis media (ASOM) 6.1%, and trauma to the affected ear 3.0%. CSOM was
the cause of tympanic membrane perforation seen in children. Conclusion: There is need for early diagnosis and treatment of all cases of tympanic membrane perforation and proper education of parents and guardians on proper method of ear care and early referral. There is also need to train all healthcare workers especially primary health care providers on how to manage these cases.

Keywords: Pattern, tympanic membrane perforation, diseases of the ear


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eISSN: 1597-1627