title: Traumatic perforation of the tympanic membrane in University of Port Harcourt Teaching Hospital, Port Harcourt. Nigeria.
abstract: OBJECTIVE
  To evaluate the causes, clinical features and treatment of traumatic tympanic membrane perforation in University of Port Harcourt Teaching Hospital.
  
  
  METHODS
  Patients with traumatic perforation of the tympanic membrane from August 2003 to February 2005 were evaluated clinically to determine the cause and the site of perforation. They had pure tone audiometry done. Treated by non- surgical means and followed up.
  
  
  RESULTS
  Fifty- eight (8.6%) patients with traumatic perforation were seen among 676 patients with aural diseases. Average age was 27.56 years. Causes of traumatic perforation were, fights with spouse 27.6%, street fights 19%, instrumentation 17.2% and state security agents 15.5%. Hearing loss 94.8%, tinnitus 84.5% and otalgia 67.2% were common complaints. 63.8% had perforation in the lower half of pars tensa. 42.4% had mild conductive hearing impairment. 29.3% healed within 3 weeks.
  
  
  CONCLUSIONS
  Physical blow to the ear was the commonest cause of tympanic perforation.
authors.affiliation: Department of Surgery, College of Health Sciences, University of Port Harcourt, Nigeria.
authors.forename: O B
authors.initials: OB
authors.lastname: da Lilly-Tariah
authors.forename: A O
authors.initials: AO
authors.lastname: Somefun
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004423:Ear / Q000293:injuries*; D005260:Female; D034381:Hearing Loss / Q000209:etiology; D006801:Humans; D015994:Incidence; D007223:Infant; D008297:Male; D008875:Middle Aged; D009549:Nigeria / Q000453:epidemiology; D011446:Prospective Studies; D018058:Tympanic Membrane Perforation / Q000150:complications / Q000453:epidemiology / Q000209:etiology*; D014754:Violence