{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,14]],"date-time":"2025-05-14T02:50:09Z","timestamp":1747191009076,"version":"3.40.5"},"reference-count":13,"publisher":"Wiley","license":[{"start":{"date-parts":[[2022,5,7]],"date-time":"2022-05-07T00:00:00Z","timestamp":1651881600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Case Reports in Otolaryngology"],"published-print":{"date-parts":[[2022,5,7]]},"abstract":"<jats:p>Eustachian tube dilation (ETD) is an established, minimally invasive therapeutic approach for chronic eustachian tube dysfunction. The complications associated with performing a ETD are rare. A 22-year-old female patient presented with chronic otitis media on the right side and chronic obstructive tube dilation disorder on both sides. A type I tympanoplasty was performed on the right side because of a tympanic membrane perforation after a ETD on both sides without apparent complications. On the 5th postoperative day, she presented with headache, dizziness and hearing loss on the right side. There was a decrease of hearing threshold on the right side in the pure-tone audiogram and vHIT, cVEMP, and SVV were irregular. The \u03b2-2-transferrin test was positive. Since a right-sided perilymph fistula was suspected, an emergency tympanotomy was performed with a round window membrane cover with fascia on the right side. Intraoperatively, a regular, intact ossicular chain was found with a slightly moist middle ear mucosa. The round window membrane was covered by the promontorial lip. Under these measures, the patient\u2019s dizziness regressed. The right ear pure-tone threshold vHIT, cVEMP, and SVV normalized.<\/jats:p>","DOI":"10.1155\/2022\/5978757","type":"journal-article","created":{"date-parts":[[2022,5,7]],"date-time":"2022-05-07T21:20:06Z","timestamp":1651958406000},"page":"1-5","source":"Crossref","is-referenced-by-count":0,"title":["Perilymph Fistula as a Complication of Eustachian Tube Dilation and Tympanoplasty"],"prefix":"10.1155","volume":"2022","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3771-4931","authenticated-orcid":true,"given":"R.","family":"Kim","sequence":"first","affiliation":[{"name":"Faculty of Medicine OWL, Bielefeld University, Campus Mitte, Department of Otolaryngology, Head and Neck Surgery, Bielefeld, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"L. 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