Sound transmission in the chest under surface excitation: an experimental and computational study with diagnostic applications.
Chest physical examination often includes performing chest percussion, which involves introducing sound stimulus to the chest wall and detecting an audible change. This approach relies on observations that underlying acoustic transmission, coupling, and resonance patterns can be altered by chest str...
| Published in: | Medical & Biological Engineering & Computing Vol. 52; no. 8; pp. 695 - 707 |
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| Main Authors: | , , , , , |
| Format: | research Journal Article |
| Published: |
Springer Nature
Aug2014
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| Online Access: | View this record in EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=103834550&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 103834550 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 01400118 PO0 jtl: Medical & Biological Engineering & Computing issn: 01400118 maglogo: N pubinfo: dt: Aug2014 vid: 52 iid: 8 pid: 237 pub: Springer Nature place: New York, New York artinfo: ui: 103834550 NLM25001497 2012651627 10.1007/s11517-014-1172-8 NLM25001497 PMC4160106 103834550 ppf: 695 ppct: 12 formats: fmt: @attributes: type: P tig: atl: Sound transmission in the chest under surface excitation: an experimental and computational study with diagnostic applications. aug: au: Peng, Ying Dai, Zoujun Mansy, Hansen A Sandler, Richard H Balk, Robert A Royston, Thomas J affil: Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, 842 W. Taylor St, 2039 ERF, Chicago, IL, 60607, USA, ypeng6@uic.edu. sug: subj: Computer Simulation Pneumothorax Diagnosis Sound Thorax Physiopathology Acoustics Adult Human Imaging, Three-Dimensional Male Models, Biological Pneumothorax Pathology Pneumothorax Physiopathology Swine Adult: 19-44 years Male ab: Chest physical examination often includes performing chest percussion, which involves introducing sound stimulus to the chest wall and detecting an audible change. This approach relies on observations that underlying acoustic transmission, coupling, and resonance patterns can be altered by chest structure changes due to pathologies. More accurate detection and quantification of these acoustic alterations may provide further useful diagnostic information. To elucidate the physical processes involved, a realistic computer model of sound transmission in the chest is helpful. In the present study, a computational model was developed and validated by comparing its predictions with results from animal and human experiments which involved applying acoustic excitation to the anterior chest, while detecting skin vibrations at the posterior chest. To investigate the effect of pathology on sound transmission, the computational model was used to simulate the effects of pneumothorax on sounds introduced at the anterior chest and detected at the posterior. Model predictions and experimental results showed similar trends. The model also predicted wave patterns inside the chest, which may be used to assess results of elastography measurements. Future animal and human tests may expand the predictive power of the model to include acoustic behavior for a wider range of pulmonary conditions. pubtype: Academic Journal doctype: research Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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