Concepedia

Concept

computational deglutition

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Multimodal Hyolaryngeal Biomechanics

2009 - 2021

The period consolidated a multimodal research program around hyolaryngeal biomechanics in swallowing, blending imaging- and motion-based investigations (such as CT/MBS kinematics, hyoid tracking, and laryngeal closure measures) across healthy and dysphagic cohorts. Bolus properties emerged as central modulators of swallow biomechanics and safety, with viscosity and volume shaping laryngeal closure, hyoid elevation, and aspiration risk, linking material properties to swallowing outcomes. Noninvasive sensing and signal processing approaches advanced dysphagia detection, screening, and swallow classification using accelerometry, nasal airflow, and cervical auscultation, accompanied by preprocessing pipelines and pattern recognition suitable for clinical translation. Objective measurement and mapping of hyoid/hyolaryngeal biomechanics via imaging and functional imaging approaches enriched understanding of muscle roles, elevation strategies, and kinematic patterns in swallowing function and impairment. Clinical risk assessment and management paradigms for oropharyngeal dysphagia matured, informing screening workflows for elderly pneumonia risk and guiding objective evaluation of aspiration risk to support treatment planning.

Imaging- and motion-based investigations of hyolaryngeal mechanics to explain airway protection during swallowing, integrating CT/MBS kinematics, hyoid tracking, and laryngeal closure measures across healthy and dysphagic cohorts [3], [4], [14], [16], [9], [6], [17].

Bolus properties as key modulators of swallowing biomechanics and safety, with studies showing viscosity and volume effects on laryngeal closure, hyoid movement, and aspiration risk, linking material properties to aspiration probability [4], [17], [1], [6], [2].

Noninvasive sensing and signal processing approaches for detecting dysphagia, screening, and classifying swallows, leveraging accelerometry, nasal airflow, and cervical auscultation with preprocessing tools and pattern recognition [7], [12], [19], [8], [11].

Objective measurement and mapping of hyoid/hyolaryngeal biomechanics via imaging and fMRI to quantify muscle roles, elevation, and hyolaryngeal kinematics in swallowing function and impairment [16], [13], [14], [9].

Clinical risk assessment and management paradigms for oropharyngeal dysphagia, including elderly pneumonia risk and objective aspiration evaluation workflows to inform screening and treatment [18], [15], [20].