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Detection of Pathologic Heart Murmurs Using a Piezoelectric Sensor
http://hdl.handle.net/10295/00006217
http://hdl.handle.net/10295/00006217d3633300-26bb-4e73-838b-2f5c931f2b30
名前 / ファイル | ライセンス | アクション |
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iA_2022_74.pdf (16.8 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2023-02-23 | |||||
タイトル | ||||||
タイトル | Detection of Pathologic Heart Murmurs Using a Piezoelectric Sensor | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | cardiac murmur | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | congenital heart defects | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | heart sound | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | noninvasive | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | piezoelectric sensor | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Takahashi, Kiichi
× Takahashi, Kiichi× Ono, Kyoichi× Arai, Hirokazu× Adachi, Hiroyuki× Ito, Masato× Kato, Akie× Takahashi, Tsutomu |
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内容記述(抄録) | ||||||
内容記述タイプ | Other | |||||
内容記述 | This study aimed to evaluate the capability of a piezoelectric sensor to detect a heart murmur in patients with congenital heart defects. Heart sounds and murmurs were recorded using a piezoelectric sensor and an electronic stethoscope in healthy neonates (n = 9) and in neonates with systolic murmurs caused by congenital heart defects (n = 9) who were born at a hospital. Signal data were digitally filtered by high-pass filtering, and the envelope of the processed signals was calculated. The amplitudes of systolic murmurs were evaluated using the signal-to-noise ratio and compared between healthy neonates and those with congenital heart defects. In addition, the correlation between the amplitudes of systolic murmurs recorded by the piezoelectric sensor and electronic stethoscope was determined. The amplitudes of systolic murmurs detected by the piezoelectric sensor were significantly higher in neonates with congenital heart defects than in healthy neonates (p < 0.01). Systolic murmurs recorded by the piezoelectric sensor had a strong correlation with those recorded by the electronic stethoscope (rho = 0.899 and p < 0.01, respectively). The piezoelectric sensor can detect heart murmurs objectively. Mechanical improvement and automatic analysis algorithms are expected to improve recording in the future. | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.3390/s21041376 | |||||
書誌情報 |
SENSORS 巻 21, 号 4, 発行日 2021 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1424-8220 | |||||
出版者 | ||||||
出版者 | MDPI | |||||
関連リンク | ||||||
識別子タイプ | DOI | |||||
関連識別子 | http://dx.doi.org/10.3390/s21041376 | |||||
関連名称 | http://dx.doi.org/10.3390/s21041376 | |||||
著作権等 | ||||||
権利情報 | © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |