Eustachian tube dysfunction: A diagnostic accuracy study and proposed diagnostic pathway.
Matthew E SmithYemisi TakwoingiJon DeeksCuneyt M AlperManohar L BanceMahmood F BhuttaNeil DonnellyDennis PoeJames R TysomePublished in: PloS one (2018)
ETD should be diagnosed on the basis of clinical assessment and tests of ET opening, as PROMs have no diagnostic value. Currently diagnostic uncertainty exists for some patients who appear to have intermittent ETD clinically, but have negative index test results.