Case Report of Bilateral Middle Ear Effusion Requiring Myringotomy and Tube Placement Following Inferior U-shaped Nasopharyngeal Flap Elevation for Endonasal Odontoidectomy: Investigation of Causality
Acta neurochirurgica(2023)
Abstract
We describe a patient with symptomatic os odontoideum and a previous history of C1-2 wiring who underwent successful treatment with a staged endonasal odontoidectomy and C1-2 revision of instrumentation. Access to the odontoid process was gained through the endonasal corridor using an inverted U-shaped nasopharyngeal flap (IUNF). Post-operatively, the patient experienced resolution of her presenting neurologic symptoms but developed conductive hearing loss secondary to bilateral middle ear effusion, requiring bilateral myringotomy and tube placement 3 months post-operatively. We hypothesize this dysfunction may have resulted from surgical edema, packing buttressing the IUNF, or some combination thereof. In this manuscript, we review the evolution of the nasopharyngeal exposure for odontoidectomy and whether an IUNF may predispose to this complication.
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Key words
Endonasal odontoidectomy,Middle ear effusion,Myringotomy,Inverted U-shaped nasopharyngeal flap
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