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奇尔普唤起的VEMP:一项试验复试可靠性研究

Tarryn Marisca Reddy1, Barbara Heinze2, Leigh Biagio-de Jager1

  • 1Department of Speech-Language Pathology and Audiology, University of Pretoria, South Africa.

Ear and hearing
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概括

与宽带CE-Chirp相比,500Hz的窄带CE-Chirp刺激显示出更好的测试-重复测试可靠性,用于宫前庭引起的肌原潜力 (cVEMP). 对于这两种刺激,眼睛VEMP的可靠性都很差.

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科学领域:

  • 听力学 听力学是指听力学.
  • 神经科学是一个神经科学.
  • 垂体系统 垂体系统 垂体系统

背景情况:

  • 在评估前庭和听觉通路功能方面,前庭唤起的肌源潜能 (VEMPs) 是至关重要的.
  • 对于VEMP诱导,CE-Chirp刺激比传统的音频爆发提供了潜在的优势.
  • 了解不同CE-Chirp刺激的测试-重新测试可靠性对于临床应用至关重要.

研究的目的:

  • 评估宫和眼部VEMP (c&oVEMP) 的测试-重新测试可靠性.
  • 为了比较500Hz窄带 (NB) CE-Chirp和宽带 (BB) CE-Chirp刺激的可靠性.
  • 评估会议内和会议间的可靠性.

主要方法:

  • 20名健康参与者接受了双边c&oVEMP记录.
  • 刺激包括500 Hz的NB CE-Chirp和BB CE-Chirp在95 dB的nHL空气导通.
  • 测试在一次会议内进行了两次,并在一周后再次进行了测试.

主要成果:

  • 对于NB CE-Chirp cVEMP延迟,振幅和不对称比率,发现了中等到良好的会话间可靠性 (ICC 0.52-0.82).
  • 对于cVEMP振幅 (ICC 0.70,0.84),BB CE-Chirp显示出良好的可靠性,但对于延迟和不对称比率 (ICC 0.30-0.42) 的可靠性较差.
  • 无论是NB还是BB的CE-Chirp刺激都表现出对oVEMP的会话间可靠性较差.

结论:

  • 500 Hz NB CE-Chirp 在cVEMP评估中比BB CE-Chirp更可靠.
  • 需要对标准电极组装进行进一步的研究,以澄清对声刺激的oVEMP可靠性.