• In 108 children (184 ears) with chronic secretory otitis treated with grommets, the condition at one-to-five years follow-up was compared with that at five-to-eight years follow-up. At the latter time, hearing was extremely good, 97.5% of the ears having a speech reception threshold (SRT) of 20 dB or less. However, only 67% of patients could be classified as cured by normal tympanometry. The remaining ears showed a negative middle-ear pressure of 100 to 300 mm H2O (25%), recurrent accumulation of secretion (1.6%), adhesive otitis (3.3%), perforation (1.7%), or cholesteatoma (1%). The eardrum was normal in 44% of patients, while in 25% it was diffusely atrophic, lax, or retracted.
Tos M, Poulsen G. Secretory Otitis Media: Late Results of Treatment With Grommets. Arch Otolaryngol. 1976;102(11):672–675. doi:10.1001/archotol.1976.00780160068006
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