Shochat Tamar, Gavish Anat, Arons Elena, Hadas Noam, Molotsky Alex, Lavie Peretz, Oksenberg Arie
Sleep Disorders Unit, Loewenstein Hospital, Rehabilitation Center, Raanana, Israel.
Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2007 Sep;104(3):e32-9. doi: 10.1016/j.tripleo.2007.03.009. Epub 2007 Jul 6.
The aim of this study was to validate a small electronic electromyographic device (BiteStrip) designed to screen masseter electromyographic events that indicate sleep bruxism (SB) against traditional masseter electromyographic events (MEMG).
Six SB treatment-seeking patients, 4 obstructive sleep apnea (OSA) patients and 8 symptom-free controls, underwent overnight polysomnography, including MEMG and BiteStrip recordings. Total BiteStrip and MEMG scores and indices (events per hour) based on total recording time (TRT) and total sleep time (TST) were computed. Measures of accuracy, Spearman's rho correlations, and nonparametric group comparisons were performed.
BiteStrip average sensitivity was 0.72, average positive predictive value was 0.75. Correlations between left BiteStrip and MEMG total scores, TRT, and TST indices were r = 0.81, r = 0.79, and r = 0.79, respectively. Bland-Altman plots showed good agreement between indices. Significant group differences were observed for total scores and indices.
BiteStrip and MEMG scores showed strong relationships. Sensitivity and positive predictive value were acceptable. The BiteStrip is a viable screener for identifying masseter electromyographic events that indicate SB.
本研究旨在验证一种小型电子肌电图设备（咬条），该设备旨在针对传统咬肌肌电图事件（MEMG）筛查指示睡眠磨牙症（SB）的咬肌肌电图事件。
6名寻求SB治疗的患者、4名阻塞性睡眠呼吸暂停（OSA）患者和8名无症状对照者接受了整夜多导睡眠图检查，包括MEMG和咬条记录。计算基于总记录时间（TRT）和总睡眠时间（TST）的咬条和MEMG总分及指数（每小时事件数）。进行准确性测量、Spearman等级相关分析和非参数组间比较。
咬条平均敏感度为0.72，平均阳性预测值为0.75。左侧咬条与MEMG总分、TRT及TST指数之间的相关性分别为r = 0.81、r = 0.79和r = 0.79。Bland-Altman图显示各指数之间具有良好的一致性。总分和指数存在显著的组间差异。
咬条和MEMG评分显示出很强的相关性。敏感度和阳性预测值是可接受的。咬条是一种可行的筛查工具，可用于识别指示SB的咬肌肌电图事件。
