位置试验期间的位置性终末点眼震：患病率、特征及与良性阵发性位置性眩晕的差异
Positional End-Point Nystagmus during Positional Testing: Prevalence, Characteristics and Differences with Benign Paroxysmal Positional Vertigo.
作者信息
Domínguez-Durán Emilio, Prieto-Sanchez-de-Puerta Lucia, Martín-Jiménez Daniel Iván, Sanchez-Gomez Serafin
机构信息
Unidad de Gestión Sanitaria de Otorrinolaringología, Hospital Universitario Virgen Macarena, 41009 Seville, Spain.
Hospital QuironSalud "Infanta Luisa", 41010 Seville, Spain.
出版信息
J Clin Med. 2023 Jan 3;12(1):393. doi: 10.3390/jcm12010393.
BACKGROUND
Some individuals present positional end-point nystagmus when the Dix-Hallpike tests are performed on them if they unintentionally look towards the examined ear.
OBJECTIVE
To describe the prevalence and the characteristics of end-point nystagmus during positional testing in healthy subjects.
METHODS
Sixty healthy subjects were included. Eight positional tests were performed on them, two Pagnini-McClure tests and six Dix-Hallpike tests, while keeping the eyes in different positions; one on each side. Two independent observers filled in a questionnaire about the presence of positional nystagmus, its latency, duration, direction, and sense.
RESULTS AND CONCLUSIONS
Of the subjects, 65% showed positional end-point nystagmus. This nystagmus had a short latency and last for as long as the head is maintained in the test position. They can show any direction or sense, but the most common are torsional clockwise in left tests and anticlockwise in right tests. Unlike BPPV, this nystagmus did not appear with the eyes in the straight-ahead position, it is asymptomatic, and its intensity does not decline.
背景
一些人在接受 Dix-Hallpike 试验时，如果无意中看向被检查的耳朵，会出现位置性终末眼震。
目的
描述健康受试者在位置试验期间终末眼震的患病率及特征。
方法
纳入 60 名健康受试者。对他们进行八项位置试验，两项 Pagnini-McClure 试验和六项 Dix-Hallpike 试验，同时保持眼睛处于不同位置；每侧各一项。两名独立观察者填写一份关于位置性眼震的存在情况、潜伏期、持续时间、方向和感觉的问卷。
结果与结论
65% 的受试者出现位置性终末眼震。这种眼震潜伏期短，只要头部保持在试验位置就会持续。它们可表现出任何方向或感觉，但最常见的是左侧试验时顺时针扭转，右侧试验时逆时针扭转。与良性阵发性位置性眩晕不同，这种眼震在眼睛直视前方时不会出现，无症状，且强度不减弱。
Zotero 插件