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首页> 外文会议>Latin American congress on biomedical engineering >Otimizacáo do Desempenho da Técnica de Acelerometria na Análise da Deglutidlo: Estudo do Adequado Posicionamento dos Transdutores
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Otimizacáo do Desempenho da Técnica de Acelerometria na Análise da Deglutidlo: Estudo do Adequado Posicionamento dos Transdutores

机译：加速度计技术在Deglutidlo分析中的性能优化：换能器正确位置的研究

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摘要

Disordered swallowing, or dysphagia, is a common problem seen in patients undergoing treatment for cancer, stroke and neurodegenerative illnesses. The methods currently used for diagnosis, however, are qualitative or based on expensive equipment. Swallowing accelerometry is a promising low-cost, quantitative and noninvasive tool for the evaluation of swallowing. The clinical use of this method is prevented by technical and practical limitations including the fact that there are no consensus in the literature concerning the positioning of the transducers during the exam, while some researcher uses the tireoid notch, others uses in the cricoid. This work describes the comparative analysis of the acceleration measured in these two positions in the anteroposterior and superior-inferior axis separately and as a vectorial sum in normal subjects during the swallowing of saliva and water volumes of 5,10 and 20 mL. The physiological effect of the increasing values of water volume was more adequately described in the thyroid than in the cricoid. The signal amplitude was also higher in the thyroid (p<0.003). We concluded that the positioning of the transducers in the thyroid is the more adequate choice for the objective evaluation of the pharyngeal elevation during deglutition.
机译：吞咽障碍或吞咽困难是接受癌症，中风和神经退行性疾病治疗的患者中常见的问题。然而，当前用于诊断的方法是定性的或基于昂贵的设备。吞咽加速度测量法是一种有前途的低成本，定量且无创性的吞咽评估工具。由于技术和实践上的局限性，包括在文献中关于检查期间换能器的位置尚无共识，而有些研究人员使用tire形切口，而另一些研究者在环线中使用，则阻止了该方法在临床上的使用。这项工作描述了在吞咽5,10和20 mL的唾液和水量期间，在正常对象中分别在前后轴和上下轴这两个位置测量的加速度的比较分析，并作为矢量和。甲状腺中的水含量增加的生理效应比环礁中的效应更充分。甲状腺的信号幅度也更高（p <0.003）。我们得出的结论是，换能器在甲状腺中的定位是更准确的选择，以进行脱粘时咽部抬高的客观评估。

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