THAT great progress has been made toward the ultimate solution of the surgical problem of improving hearing in patients with clinical otosclerosis is borne out by the fact that every interested otologist knows today: first, that hearing can be improved to the practical, serviceable level for both social and economic use in a good percentage of deafened persons by performing the fenestra nov-ovalis operation for clinical otosclerosis and, second, that many such newly created vestibular fenestras can and do stay permanently open, with the result that the hearing is permanently maintained at this high level.
The ten year postoperative audiogram of M. E. (fig. 1) demonstrates the fact that a newly created vestibular fenestra can remain patent and that practical, serviceable hearing when obtained by fenestration can be continuously maintained at that high level.
Damage of the organ of corti secondary to postoperative labyrinthitis is no longer the threat it
LEMPERT J. LEMPERT FENESTRA NOV-OVALIS OPERATION FOR THE RESTORATION OF SERVICEABLE UNAIDED HEARING IN PATIENTS WITH CLINICAL OTOSCLEROSIS: Its Present Evolutionary Status. Arch Otolaryngol. 1947;46(4):478–511. doi:10.1001/archotol.1947.00690020490003
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