Character of Bilateral Vestibular Hypofunction Tested by Computerized Rotary Chair System

Autor: Shuji Ohta, Jiro Hozawa, Keiichi Ikeno, Hiroaki Ichijo, Masayuki Tazawa, Fumiaki Fujiwara
Rok vydání: 1985
Předmět:
Zdroj: Practica Oto-Rhino-Laryngologica. 78:2598-2605
ISSN: 1884-4545
0032-6313
DOI: 10.5631/jibirin.78.11special_2598
Popis: Bilateral vestibular hypofunction was investigated in 5 patients by the acceleration-deceleration test (±2, 4, 6, 8 and 10°/sec2, 10″) with Contraves' computerized rotary chair system.VOR-Gain and the Decrescendo Coeffieient (the ratio of nystagmus duration (M) to maximum eye velocity (D):D/M ratio) were used as parameters to evaluate the vestibular function. They were extremely low in patients with bilateral vestibular hypofuncion.A decline of the Decrescendo Coefficient was in line with enlargement of the stabilogram, and some patients with an extremely low Decrescendo Coefficient complained of the jumbling phenomenon.The Decrescendo Coefficient seems to be a valuable parameter in the evaluation of bilateral vestibular hypofunction.
Databáze: OpenAIRE