在患有外周静脉病变的患者中,视觉固定头骨振动诱导的迷宫
Melissa Blanco1, Chiara Monopoli-Roca2, Marta Álvarez de Linera-Alperi1
1Department of Otorhinolaryngology, Clinica Universidad de Navarra, 28047 Madrid, Spain.
Audiology research
|July 25, 2024
概括
头骨振动诱导的阴囊 (SVIN) 测试可以在有或没有视觉固定 (VF) 的情况下进行. 允许VF显著减少SVIN反应,有助于诊断前庭不对称性.
科学领域:
- 神经学 神经学
- 眼科医生 眼科 眼科
- 垂体系统 垂体系统 垂体系统
背景情况:
- 头骨振动诱导的阴囊 (SVIN) 评估了前体不对称性.
- 通常在黑暗中进行SVIN,以防止视觉固定 (VF).
- VF对SVIN强度的影响尚未得到充分证实.
研究的目的:
- 在测试期间允许VF时量化SVIN的减少.
- 分析VF对前庭功能障碍患者的阴囊的影响.
主要方法:
- 在124名头/头和阳性SVIN患者中记录了SVIN.
- 尼斯塔格姆斯被测量为 (aSVINw) 和没有 (aSVINwo) VF.
- 视觉固定指数 (FI_SVIN) 被计算为慢相速度 (SPV) 的比率.
主要成果:
- 观察到FI_SVIN的平均值为0.27 ± 0.29.
- 42名患者 (34%) 显示VF完全抑制了SVIN (FI_SVIN = 0).
- 82名患者 (66%) 具有部分抑制 (平均FI_SVIN = 0.39 ± 0.02),这表明在外围静脉病变中存在固定抑制.
结论:
- VF显著降低了SVIN,有助于评估前体不对称.
- FI_SVIN有效地根据VF抑制阴囊的程度来区分患者.
- 固定抑制存在于所有表现出SVIN的外周静脉病患者中.
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