Vestibular function prior to and following operation for otosclerosis.

IN THE present article the results of vestibular investigations will be presented for 79 of the 88 patients operated on for otosclerosis according to Popper's method in the ear department of Sundby Hospital between November 1946 and April 1948. Of the 79 patients, the majority, 51, were in their thirties and forties, while 5 were in their twenties, and 23 in their fifties and sixties. Thirty-one were men, and 48 were women. VERTIGO Concerning 67 the presence or absence of vertigo prior to operation was known; 18, i. e., 27 per cent, had been suffering from more or less pronounced vertigo. This figure accords with Nager's1findings. Of his patients, one fourth to one third complained of vertigo, without physical vestibular disturbances being demonstrable. After the operation 15 patients were completely free from vertigo, while in the remaining 64 patients more or less disturbing vertigo persisted for a shorter