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Carniol ET, Bresler A, Shaigany K, et al. Traumatic Tympanic Membrane Perforations Diagnosed in Emergency Departments. JAMA Otolaryngol Head Neck Surg. 2018;144(2):136–139. doi:10.1001/jamaoto.2017.2550
What are the leading causes of traumatic tympanic membrane perforation in the United States?
In this cross-sectional analysis of 949 emergency department visits, foreign body instrumentation (including cotton-tipped applicators) was the most frequent cause of traumatic tympanic membrane perforations.
The leading cause of traumatic tympanic membrane perforations may be preventable, and patient education may prevent this frequent cause of injury.
Tympanic membrane perforations (TMPs) are frequent events leading to evaluation in the primary care and otolaryngology offices or the emergency department (ED). Despite specific warning labels on packaging of cotton-tipped applicators regarding the risk of injury to the ear canal with personal use, these products are commonly used to remove ear cerumen.
To analyze the mechanism of injury for traumatic TMPs among patients presenting to the ED.
Design, Setting, and Participants
Cross-sectional analysis of cases from 100 emergency departments in the United States. The National Electronic Injury Surveillance System was searched on April 3, 2015, for ear-related injuries with analysis information regarding patient age, patient sex, time and date of injury, specific injury diagnoses, and specific injury mechanisms that occurred across 5 years, from January 1, 2010, through December 31, 2014.
Main Outcomes and Measures
Diagnoses of traumatic TMP documented in the ED visit record as well as patient demographics, diagnoses, and other aspects of the injury, including mechanism of injury.
There were 949 case entries in the database for traumatic TMP, which extrapolates to 4852 ED visits nationally. Of 949 patients evaluated, 568 (59.8%) were men and 381 (40.2%) were women resulting in a male to female ratio of 1.49:1. Most injuries occurred in patients 18 years or younger (602 of 949 [63.4%]) with children younger than 6 years most at risk (331 of 949 [34.9%]). Ear canal instrumentation including foreign bodies was noted in 581 of 949 cases (61.2%), with cotton-tipped applicators noted in 261 (44.9%) of these cases. While foreign body instrumentation represented the leading cause of traumatic TMP in patients aged 0 to 5 years (284 of 331 cases [85.8%]), 6 to 12 years (108 of 158 [68.4%]), 19 to 36 years (85 of 223 [38.1%]), 37 to 54 years (48 of 91 [52.7%]), and 55 years or older (22 of 33 [66.7%]), water trauma was the leading cause of TMP in patients aged 13 to 18 years (43 of 113 cases [38.1%]).
Conclusions and Relevance
Traumatic TMP represents a common reason for evaluation in the ED. Despite common warnings regarding risk of injury to the tympanic membrane with use of a cotton-tipped applicator, it is still a major cause of traumatic TMPs. Other injury mechanisms also play an important role in the teenage and young adult populations.
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