Teflon Film Drainage of the Endolymphatic Sac

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Abstract
WILLIAM House was the first to suggest inserting polyethylene film into the endolymphatic sac to protrude out over the exposed dura of the posterior fossa to enlarge the area available for the absorption of excess endolymph in Meniere's disease. He reported "complete relief for more than two years from severe weekly attacks of vertigo in one patient, with no change in the hearing. In another patient there was a considerable improvement for three months, ear pressure and tinnitus ceased, hearing increased (with development of an air-bone gap), and he had no more attacks of vertigo, although for the previous nine years he had experienced two attacks per week. In two patients recruitment and ear pressure were markedly reduced, but tinnitus and vertigo disappeared for less than a week only. The fifth patient showed no improvement. In no case was any symptom worsened."1 Despite these good results, and the lack

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