Stylohyoid and Posterior Digastric Recruitment Pattern Evaluation in Swallowing and Non-swallowing Tasks

IF 5.6 4区 医学 Q1 ENGINEERING, BIOMEDICAL
Irbm Pub Date : 2024-02-01 DOI:10.1016/j.irbm.2024.100823
Adrien Mialland , Ihab Atallah , Agnès Bonvilain
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引用次数: 0

Abstract

Objectives

Electromyography is one of the few measurement methods that can be implanted, and it has been used in swallowing detection to measure superficial muscles, but has failed to provide satisfactory performances for a real-time detection. Yet, we seek to allow for the feasibility of an implantable active artificial larynx that would protect the airway during swallowing. Therefore, it requires a real-time detection of swallowing through measurements that must provide dedicated and early activity on swallowing, to close the airways soon as possible. In that regard, promising results were published about the stylohyoid and posterior digastric muscles, but no study provided simultaneous and independent measurements. So, this paper aims to evaluate both muscles with intra muscular EMG, in a large set of tasks, to evaluate their recruitment pattern for the feasibility of an implantable active artificial larynx.

Materials and methods

we used intramuscular EMG to measure the stylohyoid and the posterior digastric muscles independently. We also used surface electrodes to measure the submental muscles and provide a basis for comparison. Besides, the swallowing sound measurement method was used to locate the moment the bolus starts to enter the upper esophageal sphincter (UES). That moment defines a temporal limit after which the airway are in danger of aspiration and the temporal evolution of the muscles' is evaluated in comparison to that limit. The onsets and offsets of each muscles were located with a generalized likelihood ratio method, and the UES bolus passage was localized manually after the transformation of the signals with a Teager-Kaiser energy operator. 17 participants were measured, and were asked to perform 4 swallowing tasks and 13 non-swallowing tasks.

Results

we found a strong implication of the stylohyoid for swallowing and mastication. The posterior digastric showed a clear tendency towards swallow-related tasks, and especially swallowing, mastication, open mouth, jaw, and clench teeth. Both muscles provided significant activity before the temporal limit, with a characteristic pattern.

Conclusion

the stylohyoid and the posterior digastric muscles shows a net increase in potential for a detection, compared to the submental muscles, for the feasibility of an implantable active artificial larynx.

Abstract Image

对吞咽和非吞咽任务中的胸锁乳突和后鱼际肌募集模式进行评估。
目的肌电图是为数不多的可植入式测量方法之一,它已被用于吞咽检测中的浅表肌肉测量,但未能为实时检测提供令人满意的性能。然而,我们试图实现植入式主动人工喉的可行性,以便在吞咽过程中保护气道。因此,需要通过测量对吞咽进行实时检测,必须在吞咽时提供专门的早期活动,以尽快关闭气道。在这方面,关于舌骨后肌和舌后肌的研究结果很有希望,但没有研究提供同时和独立的测量。因此,本文旨在通过肌内肌电图在大量任务中对这两块肌肉进行评估,以评估它们的招募模式,从而确定植入式主动人工喉的可行性。我们还使用表面电极测量了下颌肌,为比较提供了依据。此外,我们还使用了吞咽声测量方法来确定栓剂开始进入食管上括约肌(UES)的时刻。该时刻定义了一个时间界限,在该界限之后,气道将面临吸入的危险,而肌肉的时间演变则与该界限进行比较评估。使用广义似然比法定位每块肌肉的起始点和终止点,并使用 Teager-Kaiser 能量算子对信号进行转换后手动定位上咽部栓塞通道。我们对 17 名参与者进行了测量,要求他们完成 4 项吞咽任务和 13 项非吞咽任务。舌后肌明显倾向于与吞咽有关的任务,尤其是吞咽、咀嚼、张口、下颌和咬牙。这两块肌肉在颞叶界限之前都有明显的活动,并具有特定的模式。结论与下颌肌肉相比,舌骨后肌和舌骨后肌显示出检测潜力的净增长,这对植入式主动人工喉的可行性具有重要意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Irbm
Irbm ENGINEERING, BIOMEDICAL-
CiteScore
10.30
自引率
4.20%
发文量
81
审稿时长
57 days
期刊介绍: IRBM is the journal of the AGBM (Alliance for engineering in Biology an Medicine / Alliance pour le génie biologique et médical) and the SFGBM (BioMedical Engineering French Society / Société française de génie biologique médical) and the AFIB (French Association of Biomedical Engineers / Association française des ingénieurs biomédicaux). As a vehicle of information and knowledge in the field of biomedical technologies, IRBM is devoted to fundamental as well as clinical research. Biomedical engineering and use of new technologies are the cornerstones of IRBM, providing authors and users with the latest information. Its six issues per year propose reviews (state-of-the-art and current knowledge), original articles directed at fundamental research and articles focusing on biomedical engineering. All articles are submitted to peer reviewers acting as guarantors for IRBM''s scientific and medical content. The field covered by IRBM includes all the discipline of Biomedical engineering. Thereby, the type of papers published include those that cover the technological and methodological development in: -Physiological and Biological Signal processing (EEG, MEG, ECG…)- Medical Image processing- Biomechanics- Biomaterials- Medical Physics- Biophysics- Physiological and Biological Sensors- Information technologies in healthcare- Disability research- Computational physiology- …
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