The injection of hydrocortisone acetate solution into the middle ear in sufficient quantity to bathe the middle ear mucosa and eustachian tube seems to be beneficial in the treatment of "tube rejecting" cases of chronic secretory otitis media.
Torrey EH. Treatment for Chronic Otitis Media. Arch Otolaryngol. 1971;93(4):435. doi:10.1001/archotol.1971.00770060627016