Audiology and Phoniatrics Clinic, Nofer Institute of Occupational Medicine, 8 St Therese Str., 91-348, Lodz, Poland.
Department of Radiological Protection, Nofer Institute of Occupational Medicine, Lodz, Poland.
Sci Rep. 2021 Mar 18;11(1):6196. doi: 10.1038/s41598-021-85745-x.
The aim of our study was to validate the method of head-shake static posturography (HS-posturography) in healthy individuals and to establish the value of this novel method in the diagnostics of patients with unilateral vestibular lesion (UV). The study included 202 participants divided into two groups, one consisting of 133 patients with canal paresis CP > 19% and one of 69 healthy subjects. Participant was tested according to the standard protocol of static posturography (SP), and with head movements of 0.3 Hz (HS 40), 0.6 Hz (HS 70) in random order controlled by a metronome. HS-posturography revealed a similar repeatability and internal consistency as the standard posturography. In patients with UV, 4th condition revealed higher sensitivity (74%) and specificity (71%) in HS 40 than in the standard posturography (67%, 65% respectively) and HS 70 (54%, 70% respectively). Static posturography and HS- posturography revealed a high reliability of the testing method. The head movements added to static posturography improve the sensitivity and specificity of the method in group with vestibular impairment. The most important test for that purpose seems to be the one on unstable surface with the eyes closed, with low frequency of head movements.
本研究旨在验证摇头静态姿势描记法（HS- posturography）在健康个体中的方法，并确定该新方法在单侧前庭病变（UV）患者诊断中的价值。该研究纳入了 202 名参与者，分为两组，一组由 133 名管腔功能减退 CP>19%的患者组成，另一组由 69 名健康受试者组成。参与者根据静态姿势描记法（SP）的标准方案进行测试，并通过节拍器以随机顺序进行 0.3 Hz（HS 40）和 0.6 Hz（HS 70）的头部运动。HS- posturography 显示出与标准姿势描记法相似的可重复性和内部一致性。在单侧前庭病变患者中，第 4 种条件在 HS 40 中的敏感性（74%）和特异性（71%）高于标准姿势描记法（分别为 67%和 65%）和 HS 70（分别为 54%和 70%）。静态姿势描记法和 HS- posturography 显示出该测试方法具有很高的可靠性。在有前庭功能障碍的组中，将头部运动添加到静态姿势描记法中可以提高该方法的敏感性和特异性。为此，最重要的测试似乎是在不稳定表面上闭眼进行的，头部运动频率较低的测试。
