Abstract
Objectives:To determine the outcome of traumatic tympanic membrane perforation in a teaching hospital at Peshawar, Pakistan.Methods:This prospective observational study was performed in the Department of ENT and Head and Neck Surgery, MTI/LRH, Peshawar, Pakistan from January 2016 to December 2019 after approved from Institutional Research and Ethical Board. All consented patients fulfilling inclusion criteria were enrolled. Sample size was calculated 114 using online sample size calculator (OpenEpi). Every patient was evaluated properly, subsequently otoscopy and PTA was performed. Required information was recorded and analyzed using SPSS (version 25).Results:Out of 114 patients 81 (71.1%) were males and 33(28.9%) were female with male: female ratio of 2.5:1. Patient’s age ranged from 6- 55 years with mean ± SD age of 26.41 ± 9.7 years. Majority of Patients, 46.5%( 53) were in 2nd decade. Amongst the causes slap outnumbered (80, 70.2%), and left ear was involved predominately (67, 58.7%) affecting mainly anterio-inferior quadrant (50, 43.9%). Small size perforation was most common finding (64, 56.1%). Majority of patients (72, 63.2%) presented in a week time and single perforation was the commonest (107, 93.%). Most of traumatic TM perforation got healed spontaneously (97, 85.1%).Conclusion:It is concluded that spontaneous healing of traumatic membrane perforation occurs in more than 90% cases provided the ear is kept dry and not accompanied by unfavorable conditions.
Highlights
Human ear being most exposed part of the body is more prone to any environmental traumatic assault
We observed that slap outnumbered (80, 70.2%), amongst the causes of Traumatic Tympanic Membrane Perforation (TTMP) followed by blast (17, 14-9%)
Conductive type hearing loss was common (94, 82.5%), mild degree of hearing loss was recorded in majority of patients (59, 51.8%)
Summary
Human ear being most exposed part of the body is more prone to any environmental traumatic assault. Trauma to the ear can be isolated or associated with polytrauma. Tympanic Membrane (TM) is a delicate structure made of three layers. Correspondence: November 14, 2020 January 27, 2021 February 19, 2021 making lateral boundary of middle ear cleft. Tympanic Membrane separates middle ear from external ear and contributes in conduction of sound waves from external ear to inner ear.[1]. The different etiological factors for Traumatic Tympanic Membrane Perforation (TTMP) include blast injuries, accidents, firearm injuries, interpersonal violence, iatrogenic and self inflicted injuries. TTMP is a common clinical condition experienced by an otolaryngologist with an estimated incidence of 6.8/ 1000 persons.[2]
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