利用激光高速视频内窥镜对儿童声带动态进行三维重建。

IF 1.6 4区 医学 Q2 OTORHINOLARYNGOLOGY
Rita R. Patel PhD, Michael Döllinger PhD, Marion Semmler PhD
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引用次数: 0

摘要

研究目的本研究旨在评估(a)典型发育儿童和(b)声带小结患儿声带上表面的三维垂直运动:方法:使用定制开发的激光内窥镜和高速视频内窥镜获取 2 名健康儿童、1 名声带小结患儿和 23 名声带健康成人(女性 11 人,男性 12 人)的三维参数。计算了声带前、中、后段横向和纵向振动运动的振幅(毫米)、最大开闭速度(毫米/秒)和平均开闭速度(毫米/秒)参数:我们首次提供了儿童声带开合阶段垂直振幅和最大/平均速度的绝对值。总体而言,声带正常儿童的垂直运动大于横向运动,尤其是沿声带后部可见部分和低音调发音时。声带小结患儿声带后部的开口相动态始终较大:研究结果证明了在临床环境中捕捉三维运动的可行性,并为三维激光在儿科人群中的应用提供了概念证明。未来还需要进行大样本量研究,以确定检查闭合期垂直运动以评估正常嗓音儿童振动发展的诊断潜力,以及调查声带小结儿童开放期垂直运动的诊断潜力:不适用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

3D reconstruction of vocal fold dynamics with laser high-speed videoendoscopy in children

3D reconstruction of vocal fold dynamics with laser high-speed videoendoscopy in children

Objective

The objective of this study is to evaluate three-dimensional vertical motion of the superior surface of the vocal folds in vivo in (a) typically developing children as a function of vocal frequency variations and (b) a child with vocal nodules.

Methods

A custom developed laser endoscope coupled with high-speed videoendoscopy was used to obtain 3D parameters from 2 healthy children, one child with vocal nodules, and 23 vocally healthy adults (females = 11, males = 12). Parameters of amplitude (mm), maximum opening/closing velocity (mm/s), and mean opening/closing velocity (mm/s) were computed for the lateral and vertical vibratory motion along the anterior, middle, and posterior sections of the vocal folds were computed.

Results

We provide for the first time, absolute measurements of vertical amplitude and maximum/ mean velocity during the opening and closing phases, in vivo in children. Overall, the vertical motion was larger in vocally normal children compared with the lateral motion, especially along the visible posterior section of the vocal folds and during low pitch phonation. The opening phase dynamics were consistently large along the posterior section in the child with vocal nodules.

Conclusions

The study findings establish the feasibility of capturing 3D motion in a clinical setting and provide proof of concept for the application of the proposed 3D laser in the pediatric population. Future large sample size studies are needed to establish the diagnostic potential of examining the closing phase vertical motion to evaluate vibratory development in children with normal voice and investigating the opening phase vertical motion in children with nodules.

Level of Evidence

N/A.

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来源期刊
CiteScore
3.00
自引率
0.00%
发文量
245
审稿时长
11 weeks
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