Shujaat Abbas, Muhammad Arshad, Shakeel Ghani.
Tympanic membrane perforations secondary to blast traumaan experience of 74 affected ears.
Isra Med J Jan ;6(4):267-9.

OBJECTIVE: To determine the rate of spontaneous healing in different size of perforations and to analyze associated findings in cases of tympanic membrane perforations secondary to blast trauma. STUDY DESIGN: Retrospective Observational study PLACE AND DURATION: Department of ENT CMH Peshawar from 1stJanuary 2009 to 31stDecember 2010. PATIENTS AND METHODS: Data of all patients diagnosed asblast induced 'tympanic membrane perforation' presenting from 1stJanuary 2009 to 31stDecember 2010 was retrieved and analyzed. Depending upon size of perforation ie small, medium and large, cases were divided into three groups. All cases were managed conservatively for 3 months. Rate of Spontaneous healing, any surgical intervention and its outcome were analyzed in these three groups. RESULTS: Fifty three patients with tympanic membrane perforation due to blast injury fulfilled the criteria to be included in this study. 32 (60.38%) patients had unilateral perforation and 21(39.62%) had bilateral perforation thus the total number of ears included in study was 74.Age range was 10 to 55 years with mean age 29.07+-8 years. Spontaneous healing was 94% in small perforations, 70.83 % in medium and 12.9 % in large perforations in three months' time. CONCLUSION: Further studies are required to find out the optimum time of surgical intervention to achieve best results in medium and large perforations.

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