超音波画像診断装置と心音マイクを用いた嚥下時の咽頭運動評価の妥当性と再現性

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タイトル別名
  • The Validity and Reproducibility of Pharynx Movement Evaluation at Deglutition by an Ultrasonic Imaging Device and Heart-Beat Microphone
  • チョウオンパ ガゾウ シンダン ソウチ ト シンオン マイク オ モチイタ エンカジ ノ イントウ ウンドウ ヒョウカ ノ ダトウセイ ト サイゲンセイ

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説明

[Purpose] We examined the validity and reproducibility of a method of pharynx movement analysis using a combination of a microphone, to record the sound of swallowing for frequency analysis, and a redesigned ultrasonic diagnostic imaging device, aiming to develop a visual and quantitative evaluation method of the dynamics of deglutition. [Subjects] The subjects were four healthy adults. [Methods] We compared the reproducibility of the measured pharynx movement time and frequency analysis of the swallowing sound with the conventional method of contrast radiography. To investigate the validity, we made the same measurements using VF and compared them. [Results] In the comparison of the measured values, the frequency analysis of the swallowing sound using a voice microphone and an ultrasonic diagnostic imaging device gave measured values that were comparable with those of VF which has superior visual judgement of the maximal pharyngeal movement. [Conclusion] We consider the evaluation utilizing an ultrasonic diagnostic imaging device is an effective way of quantitatively evaluating patients suffering from aspiration.<br>

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