Subannular tubes - An alternative for long term tympanic ventilation
DOI:
https://doi.org/10.34631/sporl.848Keywords:
otitis media with effusion, pars tensa retraction, subannular tube, long term ventilation tubeAbstract
Objectives: To describe the results of subannullar tube placement in pediatric patients with pars tensa retraction.
Study design: Observational transversal retrospective study.
Materials and methods: Clinical records of patients submitted to subannullar tube placement between 2008 and 2019 were evaluated for medical history and clinical and audiological outcomes.
Results: Fifteen patients (18 ears) were included, with an average age of 9.4 and an average follow-up of 47 months. The most common comorbidities were rhinitis (47%) and palatine cleft (29%). All patients presented pars tensa retraction and 56% had middle ear effusion. Some patients were simultaneously submitted to mastoidectomy with tympanoplasty (50%), tympanoplasty alone (39%) and/or adenoidectomy (33%). Tube extrusion occurred in 44% of ears, on average after 42 months. Tube obstruction (39%), otorrhea (17%) and residual perforation (17%) were the leading complications. Pars tensa retraction resolved in 94%. Air conduction pure tone average improved 8.2dB.
Conclusions: Subannullar tubes appear to be a viable alternative for middle ear ventilation.
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