Bomb blast injury: effect on middle and inner ear

Jagade, Mohan; Patil, Rashmi Avinash; Suhail, I. S.; Kelkar, Prasad; Nemane, S.; Mahendru, J.; Kalbande, V.; Kewle, P.

doi:10.1007/s12070-008-0110-1

Cited by 11 publications

(9 citation statements)

References 6 publications

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“…[14] Jagade et al report on the risk of confounding auditory loss secondary to explosive trauma with loss produced by acoustic trauma. [15] Auditory loss caused by acoustic trauma tends to result in a pattern of sensorineural auditory impairment with the perception of higher pitched sounds being most impaired. For certain individuals, a characteristic notch is discernible at a frequency of 4 kHz.…”

Section: Discussionmentioning

confidence: 99%

The Analysis of Ear Traumas Caused From Hand-Made Explosives

Yıldız¹

2019

ENT Updates

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Objective: This study aims to examine what ear pathologies may occur in law-enforcement officials exposed to the effects of improvised explosive devices in regions where high levels of terrorist activity are expected. The issues faced by ENT and head and neck surgeons in treating such injuries are also examined. Methods: A retrospective review of examination findings and initial treatment offered was performed on clinical records written by specialists in Emergency Medicine, General Surgery, ENT and Head and Neck Surgery during a particular period (14/3/2016 to 25/7/2016) when a curfew was in operation. The records were taken from Nusaybin State Hospital. Some 260 individuals were included in the review, all of whom had ear problems related to exposure to an explosion. The particulars of the trauma incurred, the presenting complaint, examination findings, and initial surgical and medical treatment offered were determined for each case. Results: In 224 out of 260 cases, a primary explosion injury was recorded. The most frequently documented symptoms were tinnitus and loss of hearing. On physical Conclusion: Ear trauma secondary to improvised explosive devices is a common injury in law-enforcement officials. In individuals exposed to such hazards, symptoms of hearing problems should be sought, otoscopic and vestibular examination and audiological testing should be carried out at an early stage, and the patient should be referred to an ENT or Head and Neck Surgeon.

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Section: Discussionmentioning

confidence: 99%

The Analysis of Ear Traumas Caused From Hand-Made Explosives

Yıldız¹

2019

ENT Updates

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“…This indicates an audiological configuration that can be confused with acoustic trauma. However, while continuous or intermittent exposure to loud sound is observed in acoustic trauma, blast trauma includes a single and sudden high-pressure exposure (1). The exposure to blast trauma in indoor places and close distance to the site of explosion particularly increases the risk of sensorineural hearing loss (8).…”

Section: Discussionmentioning

confidence: 99%

“…In the first phase of this wave complex, which is called Friedlander curve, a shock irregularity develops, and subsequently, a positive pressure wave occurs that applies the pressure of hundreds to thousands of kilograms per square centimetre and lasts for 5-10 milliseconds. In the final phase, a negative pressure wave lasts for approximately 30 milliseconds and converts into atmospheric pressure (1,2).…”

Section: Introductionmentioning

confidence: 99%

“…Tympanic membrane perforations or ossicular chain damage can occur in severe PBIs. Secondary blast injury (SBI) defines clinical states, such as external ear injury, tympanic membrane perforation, ossicular chain damage, or acquired cholesteatoma that develop due to foreign bodies, including dust, gunpowder, and shrapnel pieces, which spread around in explosion (1,6). In case of a primary or secondary injury, damage can occur in the external ear, tympanic membrane, middle ear, or inner ear.…”

Section: Introductionmentioning

confidence: 99%

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Analysis of Otologic Injuries Due to Blast Trauma by Handmade Explosives

Aslıer

Ngy

2017

Turk Arch Otorhinolaryngol

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Objective: The aim of this study is to identify the otologic injuries due to handmade explosive-welded blast travma in the law enforcement officers during the combat operations in the curfew security region and to specify the disorders that Otolaryngology and Head Neck Surgery (OHNS) physicians can face during such operations. Methods:Medical records of patients in law enforcement who were initially treated by OHNS physicians of Silopi State Hospital during combat operations, between December 14, 2015 and January 15, 2016 were reviewed. Twenty-five patients with otologic injuries due to blast trauma were included in the study. Trauma characteristics, physical examination findings, and beginning treatments were identified.Results: Primary blast injury (PBI) was identified as the major disorder in all 24 cases. Tinnitus and hearing loss were the most frequent complaints. In physical examination, tympanic membrane perforations were found in four ears of three patients. Oral methylprednisolone in decreasing doses for 10 days was commenced as an initial treatment in patients with PBI. Secondary blast injury presented in the form of soft tissue damage in the auricular helix due to shrapnel pieces in one patient and a minor surgery was performed. Conclusion:Otologic injuries due to blast trauma may often develop during this type of combat operations. Otologic symptoms should be checked, otoscopic examination should be performed, and patients should consult OHNS physicians as soon as possible after trauma.

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“…Blast injuries produce a sloping high-frequency hearing loss that often affects frequencies below 8 kHz. [ 2 3 ] The hearing loss may be permanent in 30-55% cases. [ 1 2 ]…”

Section: Discussionmentioning

confidence: 99%

Disability evaluation in acoustic blast trauma

Raju

2015

Indian J Occup Environ Med

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Introduction:Acoustic blast trauma is different from Noise induced hearing loss. Blast trauma can damage the tympanic membrane, ossicles and cochlea singly or in combination. It produces immediate severe hearing loss and may be associated with tinnitus and vestibular symptoms. Hearing loss recovers spontaneously in many cases but may be permanent in 30-55% cases. Thirteen patients working in an explosive manufacturing unit in Andhra Pradesh were exposed to blast trauma at work place. All these workers complained of immediate hearing loss and were subjected to audiological investigations.Methods:Initial evaluation showed a severe sensorineural type of hearing loss 10 of the 13 cases (77%). They were referred to our Medical board for disability evaluation after 2-3 years of initial injury. Pure tone audiometry indicated severe hearing loss in 12 of 13 cases (92%) that was not correlating clinically. Re-evaluation with Acoustic reflex and ABR (BERA) tests were done and permanent disability was evaluated with the results of these investigations.Observations:No significant hearing loss was found in most patients and these patients had minimal disability.Conclusion:Objective hearing tests should be carried out after one year or more before evaluation of permanent disability.

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Bomb blast injury: effect on middle and inner ear

Cited by 11 publications

References 6 publications

The Analysis of Ear Traumas Caused From Hand-Made Explosives

The Analysis of Ear Traumas Caused From Hand-Made Explosives

Analysis of Otologic Injuries Due to Blast Trauma by Handmade Explosives

Disability evaluation in acoustic blast trauma

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