Abstract
Eustachian tube function was assessed by tympanometry in 47 patients (94 ears) with anterior nasal packing placed after nasal surgery and in 12 patients (24 ears) requiring anterior and posterior packing for epistaxis. Twenty-four of the 94 ears (25.5%) in patients with anterior packing exhibited reductions in middle ear pressure (greater than or equal to --100 mm H2O), whereas 12 of 13 ears (92.3%) ipsilateral to and six of 11 ears (45.4%) contralateral to the posterior pack demonstrated comparable reductions in middle ear pressure. The observation that posterior packing is associated with a greater incidence of eustachian tube dysfunction than anterior packing suggests that the mechanism of this dysfunction may be related to stasis in the peritubal lymphatic plexus rather than to nasal obstruction per se.
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