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Application of Ultrasonography in Neurogenic Dysphagia: A Systematic Review
AbstractSwallowing disorders are common in neurological diseases, with dysphagia representing one of the most prevalent complications that may cause poor quality of life, reduce independence, and increase mortality. Rapid identification of dysphagia is necessary to reduce the risk of penetration and aspiration, and to early start rehabilitation protocols. Among the methods that can be used to evaluate dysphagia and its components, ultrasound imaging has been suggested to support the evaluation of dysphagia by providing measures of both static and dynamic anatomical components. The aim of this systematic review is to evalua...
Source: Dysphagia - January 25, 2023 Category: Speech-Language Pathology Source Type: research

Food-Grade Activated Charcoal for Contrast-Enhanced Photoacoustic Imaging of Aspiration: A Phantom Study
This study introduces a potential new aspiration screening method based on photoacoustic imaging (PAI), a medical imaging technology that measures the optical contrast of tissue rather than mechanical or elastic properties. In this preliminary study, a tissue-mimicking neck phantom was designed to test the performance of PAI for aspiration screening with a charcoal solution as a contrast agent. A 1064  nm wavelength light source was illuminated on the anterior of the neck phantom to induce the photoacoustic effect. The resulting photoacoustic signal of the charcoal contrast in the mock trachea was detected by a linear tra...
Source: Dysphagia - February 28, 2022 Category: Speech-Language Pathology Source Type: research

Speech rehabilitation in post-stroke aphasia using visual illustration of speech articulators: A case report study.
In this study, we evaluate the effectiveness of an illustration-based rehabilitation method on speech recovery of a patient with non-fluent chronic aphasia. The Ultraspeech-player software allowed visualization by the patient of reference tongue and lip movements recorded using ultrasound and video imaging. This method can improve the patient's awareness of their own lingual and labial movements, which can increase the ability to coordinate and combine articulatory gestures. The effects of this method were assessed by analyzing performance during speech tasks, the phonological processes identified in the errors made during...
Source: Clinical Linguistics and Phonetics - June 21, 2020 Category: Speech-Language Pathology Authors: Haldin C, Loevenbruck H, Hueber T, Marcon V, Piscicelli C, Perrier P, Chrispin A, Pérennou D, Baciu M Tags: Clin Linguist Phon Source Type: research

Speech recovery and language plasticity can be facilitated by Sensori-Motor Fusion training in chronic non-fluent aphasia. A case report study.
Abstract The rehabilitation of speech disorders benefits from providing visual information which may improve speech motor plans in patients. We tested the proof of concept of a rehabilitation method (Sensori-Motor Fusion, SMF; Ultraspeech player) in one post-stroke patient presenting chronic non-fluent aphasia. SMF allows visualisation by the patient of target tongue and lips movements using high-speed ultrasound and video imaging. This can improve the patient's awareness of his/her own lingual and labial movements, which can, in turn, improve the representation of articulatory movements and increase the ability t...
Source: Clinical Linguistics and Phonetics - November 17, 2017 Category: Speech-Language Pathology Authors: Haldin C, Acher A, Kauffmann L, Hueber T, Cousin E, Badin P, Perrier P, Fabre D, Perennou D, Detante O, Jaillard A, Lœvenbruck H, Baciu M Tags: Clin Linguist Phon Source Type: research