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May 1988

Perilymphatic Hypertension

Arch Otolaryngol Head Neck Surg. 1988;114(5):489. doi:10.1001/archotol.1988.01860170015006

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At the annual meeting of the American Academy of Otolaryngology-Head Neck Surgery in Chicago, Dr Paparella of the Minnesota Ear, Head, and Neck Clinic in Minneapolis presented several patients who he and his coworkers believed to have suffered from perilymphatic hypertension. In their study, the authors described 11 ears in nine patients with sudden sensorineural hearing loss that was superimposed on existing sensorineural hearing loss, including congenital deafness. In these 11 ears, the senior author was able to detect a bulging of the round window membrane, which was seen during exploratory tympanotomy. The authors believe that this was part of the pathogenesis of, or a precursor to, perilymphatic fistula, and they termed this condition perilymphatic hypertension. It was hypothesized by the authors that increased perilymphatic pressure can interfere with the traveling wave and thus cause a precipitous drop in hearing. Paracentesis of the round window membrane was felt to be

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