著者
藤原 文明 朴沢 二郎 新川 秀一 一條 宏明 西村 哲也
出版者
Japan Society for Equilibrium Research
雑誌
Equilibrium Research (ISSN:03855716)
巻号頁・発行日
vol.49, no.2, pp.263-270, 1990

Delayed endolymphatic hydrops (DEH) was proposed by Nadol (1975) and Schuknecht (1976) as a pathological diagnosis. Because of severe hearing loss, the presence of endolymphatic hydrops (EH) cannot be demonstrated by the glycerol test or electro-cochleography. This paper discusses a clinical method of examining EH in this disease. The authors' earlier study, reported in Acta Otolaryngol (Stockh) suppl. 435 (1987), showed that EH in Meniere's disease could be detected not only by audiometry but also by the trapezoid rotation test. The demonstration of ipsilateral labyrinthine preponderance (LPi) by this rotation test is a useful indicator of the development of EH. The authors performed this rotation test in seven patients who satisfied Schuknecht's criteria of DEH by careful history taking and audiometry, and LPi was detected in five of them, especially before the onset of vertigo. It was concluded that the detection of LPi by the trapezoid rotation test should be added to the tests used for the exact diagnosis of DEH.
著者
倉島 一浩 國弘 幸伸 齋藤 晶 上村 隆一郎 小林 宏成 神崎 仁
出版者
Japan Society for Equilibrium Research
雑誌
Equilibrium research (ISSN:03855716)
巻号頁・発行日
vol.56, no.6, pp.560-568, 1997-12-01
被引用文献数
4 1

We retrospectively determined the efficacy of Semont's liberatory maneuver in 52 patients with benign paroxysmal positional vertigo (BPPV). Vertigo and torsional nystagmus, characteristic of BPPV, had been induced by the Hallpike maneuver at the time of diagnosis.<BR>Thirty of these patients were treated by Semont's maneuver after being informed in detail about the method. If vertigo reoccurred after treatment, they repeated the maneuver at home twice a day (after awaking and before going to bed) until vertigo disappeared. Patients received no medication and were followed until complete remission or for up to 1 year. The other 22 patients received either no treatment or were treated with medication only; they were followed for up to 9 years.<BR>Disappearance of nystagmus was ascertained for the first group only at our dizziness clinic. While most of these patients exhibited nystagmus lasting‹30 seconds (indicating the mechanism of canalolithiasis), two had nystagmus lasting›1 minute, a sign of cupulolithiasis-induced BPPV. Complete remission of BPPV occurred in 28 patients in the first group or 93.3%; 19 (68%) of these patients showed remission within 3 days. In the second group, the vertigo was resolved in only 9 of the 22 patients (40.9%). The difference in the remission rate of the two groups was significant (p<0.0001).<BR>Our results proved the efficacy of Semont's maneuver for treating not only the more common type of BPPV caused by canalolithiasis but also the less common type induced by cupulolithiasis.