2004
DOI: 10.1109/tbme.2004.836504
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Classification of Normal and Dysphagic Swallows by Acoustical Means

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Cited by 72 publications
(60 citation statements)
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“…Our data suggest that an assessment which can measure the interval between bolus arrival at the hypopharynx and laryngeal ascent would be beneficial in predicting which stroke patients are likely to aspirate. In considering such measurement tools, the use of accelerometers or microphones to record the acoustic signal [21], mechanomyogram [22], or the gross motion of the structures around the laryngopharyx [23] have been investigated to varying degrees. However, these techniques have been predominantly in the domain of engineering research where their ability to accurately measure a broad spectrum of movements has been evaluated and reported.…”
Section: Discussionmentioning
confidence: 99%
“…Our data suggest that an assessment which can measure the interval between bolus arrival at the hypopharynx and laryngeal ascent would be beneficial in predicting which stroke patients are likely to aspirate. In considering such measurement tools, the use of accelerometers or microphones to record the acoustic signal [21], mechanomyogram [22], or the gross motion of the structures around the laryngopharyx [23] have been investigated to varying degrees. However, these techniques have been predominantly in the domain of engineering research where their ability to accurately measure a broad spectrum of movements has been evaluated and reported.…”
Section: Discussionmentioning
confidence: 99%
“…A duração maior da apneia nas deglutições de saliva encontrada no presente estudo pode se dever ao fato de que essas deglutições originaram, no geral, registros de baixa intensidade, inclusive para os sons da respiração, que, quanto mais próximos do início da deglutição perdem intensidade significativamente, dificultando, em alguns casos, o estabelecimento exato da interrupção da respiração. Estudos que realizaram a análise do fluxo aéreo durante a deglutição, mais precisas do que as obtidas no presente estudo, revelaram durações menores, provavelmente representando melhor a realidade existente na população (6,20,21) . Outro estudo, no qual videodeglutogramas associados à monitoração do fluxo aéreo nasal foram realizados, encontrou apneias da deglutição maiores que aqueles mensuradas no presente trabalho, com duração média de 2 segundos (7) .…”
Section: Discussionunclassified
“…Prior investigators have reported a wide range of classification accuracy in swallow identification using single channel and multichannel sensors (Aboofazeli and Moussavi, 2004;Lazareck and Moussavi, 2004;Afkari, 2007;Crary et al, 2007). Classification accuracy from these collective approaches, which include manual and automated methods of detection, ranges from 85% to 93% with no consistently demonstrated advantage of multichannel sensors over single channel sensors.…”
Section: Introductionmentioning
confidence: 99%