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一次单一的光生物调制会有选择性地改善了严重声疲劳的教师的声音稳定性和呼吸能力
Aline Garrido1, Renato Zangaro2, Osmar Pinto Neto3,4
1CITE, Anhembi Morumbi University, São Paulo, Brazil. fonogarrido@gmail.com.
Lasers in medical science
|December 20, 2025
概括
光生物调制 (PBM) 疗法为声音疲劳的教师提供了快速的声乐改善. 一次PBM会话显著提高了声质和呼吸功能,特别是在严重的病例中.
科学领域:
- 语音科学 语音科学
- 生物医学工程 生物医学工程
- 治疗技术 治疗技术
背景情况:
- 语音疲劳 (VF) 是专业语音用户,特别是教师的常见职业风险.
- 目前针对VF的干预措施在速度和有效性上往往是有限的.
- 光生物调制 (PBM) 是一种非侵入性治疗选择,利用低强度光来修复组织并减少炎症.
研究的目的:
- 为了评估单个PBM会话对声学和呼吸参数的直接影响,在经历声疲劳的女教师中.
- 评估PBM在不同严重程度的声音疲劳 (轻度,中度,严重) 的有效性.
主要方法:
- 一个单臂前后临床试验,涉及41名患有VF的女小学教师.
- 使用发光二极管 (LED) 装置 (1W,640/940nm波长) 应用到喉区域的5分钟PBM会话.
- 在PBM前后测量声学参数 (,闪,连接语音频率) 和呼吸能力.
主要成果:
- 在严重VF小组中,观察到的显著下降 (p=0.005) 和平均自身相关性的增加 (p=0.024).
- 在重症小组中,发现了语音连接 (p=0.056) 和呼吸能力 (p=0.058) 的改善趋势.
- 适度VF亚组显示峰值流量显著增加 (p=0.002),而轻度亚组显示没有显著变化.
结论:
- 一次PBM会话可以立即改善声质和呼吸功能,对于严重声疲劳的人来说尤其有益.
- PBM显示出作为一个快速,非侵入性康复工具的潜力,用于声器缺陷.
- 需要对更大样本,对照组和更长的随访期进行进一步的研究,以证实这些发现并提高概括性.
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