Abstract:
CONCLUSIONS:Patients with sudden hearing loss and dizziness after barotrauma should be suspected of barotraumatic perilymph fistula (PLF). Early surgical repair of PLF showed better hearing outcomes. Therefore, diagnostic criteria should help surgical indications of barotraumatic PLF. OBJECTIVES:The aim of this study was to establish diagnostic criteria for barotraumatic PLF. METHODS:Twenty-four patients (26 ears) underwent surgery on suspicion of barotraumatic PLF. The causes of barotrauma and clinical symptoms were analyzed by surgical findings. Diagnostic criteria of PLF were proposed according to its clinical manifestations. RESULTS:Definite PLF (17 subjects) was confirmed by any evidence of perilymph leak through oval and round windows. For the other seven subjects (probable PLF), even though there was no evidence of perilymph leak, their clinical manifestations were similar to definite PLF. High frequency hearing loss occurred as an early symptom after barotrauma. Positional dizziness occurred a few hours after auditory symptoms (67%). Positional nystagmus was observed in 10 cases. The characteristics of positional nystagmus were multi-directional, longer in duration, smaller in amplitude, no reversibility, and no response to repositioning maneuver. Regarding the surgical outcomes, hearing was significantly improved in the early repaired PFL group, and dizziness was improved in 96% of patients.
journal_name
Acta Otolaryngoljournal_title
Acta oto-laryngologicaauthors
Choi JE,Moon IJ,Kim H,Lee K,Cho YS,Chung WHdoi
10.1080/00016489.2016.1213419subject
Has Abstractpub_date
2017-01-01 00:00:00pages
16-22issue
1eissn
0001-6489issn
1651-2251journal_volume
137pub_type
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