The recovery time after having otitis media surgery is about 2 weeks. Another word for otitis media surgery is middle ear surgery.

If the middle ear, which is normally sterile, becomes contaminated with bacteria or viruses, pus and pressure in the middle ear can result, and this is called acute otitis media or suppurative otitis media.

The term for a middle ear infection is Otitis Media

To add punctuation only, try, "Otitis media, chronic, unresponsive to treatment. It could also be reworded "Refractory Chronic Otitis Media."

Otitis media is the medical term meaning inflammation of the lining of the middle ear. This condition is what we typically think of as a child's ear infection.