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  • Title: Hearing Recovery After Ejection of Air in a Case of Traumatic Pneumolabyrinth: Mechanism and Management Options.
    Author: Oda K, Yamamoto H, Kobayashi T, Hidaka H, Ikeda R, Yoshida N.
    Journal: Otol Neurotol; 2020 Mar; 41(3):359-363. PubMed ID: 31821260.
    Abstract:
    OBJECTIVE: To describe a case of traumatic pneumolabyrinth and subsequent hearing recovery after ejection of air with transcanal endoscopic surgical exploration. PATIENTS: A 38-year-old man was struck by his child while cleaning his ear with an ear pick made of bamboo, which penetrated deep into the left ear canal. Severe vertigo with vomiting and left hearing impairment ensued. In addition, high-resolution computed tomography demonstrated an air density within the vestibule. INTERVENTIONS: Exploratory tympanotomy was performed endoscopically a day after the injury and air was ejected from the oval window surgically. MAIN OUTCOME MEASURES: High-resolution computed tomography, audiologic testing. RESULTS: Several hours after surgery, the patient's subjective vestibular symptoms lessened and 7 days after surgery, the patient felt slight dizziness when moving his head and no apparent spontaneous nystagmus was observed with an infrared charge-coupled device camera and was discharged from the hospital. Two years later, there are no subjective vestibular symptoms at all and the pure-tone average of his left ear improved to 16.7 dB. CONCLUSION: We presented a case of traumatic pneumolabyrinth and the subsequent hearing recovery after ejection of air following endoscopic exploratory tympanotomy. We propose that initial management for traumatic pneumolabyrinth should be ejection of the air bubble if it is located solely in the vestibule and sparing the cochlea.
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