Trans-tympanic Cartilage Chip Insertion for Intractable Patulous Eustachian Tube
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초록
Patulous Eustachian tube (PET) causes troublesome autophony. We treated PET using tragal cartilage chip insertion to fill in the concavity within thetubal valve and evaluated the feasibility of this method. Subjects and Methods: This studyused a prospective design. Eleven patients with PET disorder were included. Tragal cartilagechip insertion via a transcanal approach into the Eustachian tube (ET) was performedin 14 ears of those patients. They were followed-up for at least 12 months after surgery andwere evaluated by symptom questionnaire scores. Results: The average follow-up was 16.4months. Thirteen of fourteen ears received immediate complete relief of autophony symptoms. Autophony symptoms at the last follow-up were as follows: four ears (28.6%) hadcomplete relief; five ears (35.7%) showed satisfactory improvement; four ears (28.6%)showed significant but unsatisfactory improvement; and one ear (7.1%) was unchanged. ThePET symptom questionnaire in the affected ears showed a significant reduction in autophony(p=0.047) and improvement in breathing sound conduction (p=0.047). There were nocomplications such as otitis media or occlusion symptom. Conclusions: Transtympanic cartilagechip insertion into the ET provides a safe and accessible surgical option for the treatmentof PET.
Abstract
Patulous Eustachian tube (PET) causes troublesome autophony. We treated PET using tragal cartilage chip insertion to fill in the concavity within thetubal valve and evaluated the feasibility of this method. Subjects and Methods: This studyused a prospective design. Eleven patients with PET disorder were included. Tragal cartilagechip insertion via a transcanal approach into the Eustachian tube (ET) was performedin 14 ears of those patients. They were followed-up for at least 12 months after surgery andwere evaluated by symptom questionnaire scores. Results: The average follow-up was 16.4months. Thirteen of fourteen ears received immediate complete relief of autophony symptoms. Autophony symptoms at the last follow-up were as follows: four ears (28.6%) hadcomplete relief; five ears (35.7%) showed satisfactory improvement; four ears (28.6%)showed significant but unsatisfactory improvement; and one ear (7.1%) was unchanged. ThePET symptom questionnaire in the affected ears showed a significant reduction in autophony(p=0.047) and improvement in breathing sound conduction (p=0.047). There were nocomplications such as otitis media or occlusion symptom. Conclusions: Transtympanic cartilagechip insertion into the ET provides a safe and accessible surgical option for the treatmentof PET.
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