Loading…

Detection of coronary artery disease with an electronic stethoscope

A noninvasive method for detection of coronary artery disease (CAD) with an electronic stethoscope is proposed. Heart sounds recorded in clinical settings are often contaminated with background noise and noise caused by friction between the skin and the stethoscope. A method was developed to reduce...

Full description

Saved in:

Bibliographic Details
Main Authors:	Schmidt, S.E., Holst-Hansen, C., Graff, C., Toft, E., Struijk, J.J.
Format:	Conference Proceeding
Language:	English
Subjects:	Acoustic noise Background noise Coronary arteriosclerosis Energy states Friction Heart Noise level Noise reduction Skin Stethoscope
Citations:	Items that cite this one
Online Access:	Request full text
Tags:	Add Tag No Tags, Be the first to tag this record!

cited_by	cdi_FETCH-LOGICAL-c264t-de2e25f4609843e8d36d39b06d63d9f814e26c08da016e0b5fa966d0626d3ee33
cites
container_end_page	760
container_issue
container_start_page	757
container_title
container_volume
creator	Schmidt, S.E. Holst-Hansen, C. Graff, C. Toft, E. Struijk, J.J.
description	A noninvasive method for detection of coronary artery disease (CAD) with an electronic stethoscope is proposed. Heart sounds recorded in clinical settings are often contaminated with background noise and noise caused by friction between the skin and the stethoscope. A method was developed to reduce the influence of the noise artifacts. The diastolic parts of the heart sounds were divided into multiple sub-segments, where noisy sub-segments were indentified as sub-segments with a low degree of stationarity or with a high energy level. The sub-segments not identified as noisy were analyzed with an autoregressive (AR) model, where the pole-magnitude of the 1 st pole was used as a discriminating parameter. A test on 50 subjects showed that removal of the noisy sub-segments before analyses improved the diagnostic performance of the AR-model considerably, thereby reducing the influence of noise related to the use of a handhold stethoscope.
doi_str_mv	10.1109/CIC.2007.4745596
format	conference_proceeding
fullrecord	<record><control><sourceid>ieee_6IE</sourceid><recordid>TN_cdi_ieee_primary_4745596</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><ieee_id>4745596</ieee_id><sourcerecordid>4745596</sourcerecordid><originalsourceid>FETCH-LOGICAL-c264t-de2e25f4609843e8d36d39b06d63d9f814e26c08da016e0b5fa966d0626d3ee33</originalsourceid><addsrcrecordid>eNpFkEtLAzEUheMLnFb3gpv8gRlvXncmSxmrFgpudF3S5A6N1EmZBMR_74AFV9_ifBwOh7E7AY0QYB_6dd9IgLbRrTbG4hlbCC21lkZpfc4qqaSpu86oi_9A4SWrQLZYo2n1NVvk_AkgrG1NxfonKuRLTCNPA_dpSqObfribCs0IMZPLxL9j2XM3cjrM7qxEz3Ohsk_ZpyPdsKvBHTLdnrhkH8-r9_613ry9rPvHTe0l6lIHkiTNoBFspxV1QWFQdgcYUAU7dEKTRA9dcCCQYGcGZxEDoJw9IqWW7P6vNxLR9jjFr3nq9vSE-gWWfk4I</addsrcrecordid><sourcetype>Publisher</sourcetype><iscdi>true</iscdi><recordtype>conference_proceeding</recordtype></control><display><type>conference_proceeding</type><title>Detection of coronary artery disease with an electronic stethoscope</title><source>IEEE Electronic Library (IEL) Conference Proceedings</source><creator>Schmidt, S.E. ; Holst-Hansen, C. ; Graff, C. ; Toft, E. ; Struijk, J.J.</creator><creatorcontrib>Schmidt, S.E. ; Holst-Hansen, C. ; Graff, C. ; Toft, E. ; Struijk, J.J.</creatorcontrib><description>A noninvasive method for detection of coronary artery disease (CAD) with an electronic stethoscope is proposed. Heart sounds recorded in clinical settings are often contaminated with background noise and noise caused by friction between the skin and the stethoscope. A method was developed to reduce the influence of the noise artifacts. The diastolic parts of the heart sounds were divided into multiple sub-segments, where noisy sub-segments were indentified as sub-segments with a low degree of stationarity or with a high energy level. The sub-segments not identified as noisy were analyzed with an autoregressive (AR) model, where the pole-magnitude of the 1 st pole was used as a discriminating parameter. A test on 50 subjects showed that removal of the noisy sub-segments before analyses improved the diagnostic performance of the AR-model considerably, thereby reducing the influence of noise related to the use of a handhold stethoscope.</description><identifier>ISSN: 0276-6574</identifier><identifier>ISBN: 1424425336</identifier><identifier>ISBN: 9781424425334</identifier><identifier>EISSN: 2325-8853</identifier><identifier>EISBN: 1424425344</identifier><identifier>EISBN: 9781424425341</identifier><identifier>DOI: 10.1109/CIC.2007.4745596</identifier><language>eng</language><publisher>IEEE</publisher><subject>Acoustic noise ; Background noise ; Coronary arteriosclerosis ; Energy states ; Friction ; Heart ; Noise level ; Noise reduction ; Skin ; Stethoscope</subject><ispartof>2007 Computers in Cardiology, 2007, p.757-760</ispartof><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c264t-de2e25f4609843e8d36d39b06d63d9f814e26c08da016e0b5fa966d0626d3ee33</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4745596$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,780,784,789,790,2058,27925,54920</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4745596$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Schmidt, S.E.</creatorcontrib><creatorcontrib>Holst-Hansen, C.</creatorcontrib><creatorcontrib>Graff, C.</creatorcontrib><creatorcontrib>Toft, E.</creatorcontrib><creatorcontrib>Struijk, J.J.</creatorcontrib><title>Detection of coronary artery disease with an electronic stethoscope</title><title>2007 Computers in Cardiology</title><addtitle>CIC</addtitle><description>A noninvasive method for detection of coronary artery disease (CAD) with an electronic stethoscope is proposed. Heart sounds recorded in clinical settings are often contaminated with background noise and noise caused by friction between the skin and the stethoscope. A method was developed to reduce the influence of the noise artifacts. The diastolic parts of the heart sounds were divided into multiple sub-segments, where noisy sub-segments were indentified as sub-segments with a low degree of stationarity or with a high energy level. The sub-segments not identified as noisy were analyzed with an autoregressive (AR) model, where the pole-magnitude of the 1 st pole was used as a discriminating parameter. A test on 50 subjects showed that removal of the noisy sub-segments before analyses improved the diagnostic performance of the AR-model considerably, thereby reducing the influence of noise related to the use of a handhold stethoscope.</description><subject>Acoustic noise</subject><subject>Background noise</subject><subject>Coronary arteriosclerosis</subject><subject>Energy states</subject><subject>Friction</subject><subject>Heart</subject><subject>Noise level</subject><subject>Noise reduction</subject><subject>Skin</subject><subject>Stethoscope</subject><issn>0276-6574</issn><issn>2325-8853</issn><isbn>1424425336</isbn><isbn>9781424425334</isbn><isbn>1424425344</isbn><isbn>9781424425341</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2007</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><recordid>eNpFkEtLAzEUheMLnFb3gpv8gRlvXncmSxmrFgpudF3S5A6N1EmZBMR_74AFV9_ifBwOh7E7AY0QYB_6dd9IgLbRrTbG4hlbCC21lkZpfc4qqaSpu86oi_9A4SWrQLZYo2n1NVvk_AkgrG1NxfonKuRLTCNPA_dpSqObfribCs0IMZPLxL9j2XM3cjrM7qxEz3Ohsk_ZpyPdsKvBHTLdnrhkH8-r9_613ry9rPvHTe0l6lIHkiTNoBFspxV1QWFQdgcYUAU7dEKTRA9dcCCQYGcGZxEDoJw9IqWW7P6vNxLR9jjFr3nq9vSE-gWWfk4I</recordid><startdate>200709</startdate><enddate>200709</enddate><creator>Schmidt, S.E.</creator><creator>Holst-Hansen, C.</creator><creator>Graff, C.</creator><creator>Toft, E.</creator><creator>Struijk, J.J.</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope></search><sort><creationdate>200709</creationdate><title>Detection of coronary artery disease with an electronic stethoscope</title><author>Schmidt, S.E. ; Holst-Hansen, C. ; Graff, C. ; Toft, E. ; Struijk, J.J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c264t-de2e25f4609843e8d36d39b06d63d9f814e26c08da016e0b5fa966d0626d3ee33</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Acoustic noise</topic><topic>Background noise</topic><topic>Coronary arteriosclerosis</topic><topic>Energy states</topic><topic>Friction</topic><topic>Heart</topic><topic>Noise level</topic><topic>Noise reduction</topic><topic>Skin</topic><topic>Stethoscope</topic><toplevel>online_resources</toplevel><creatorcontrib>Schmidt, S.E.</creatorcontrib><creatorcontrib>Holst-Hansen, C.</creatorcontrib><creatorcontrib>Graff, C.</creatorcontrib><creatorcontrib>Toft, E.</creatorcontrib><creatorcontrib>Struijk, J.J.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Xplore</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Schmidt, S.E.</au><au>Holst-Hansen, C.</au><au>Graff, C.</au><au>Toft, E.</au><au>Struijk, J.J.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Detection of coronary artery disease with an electronic stethoscope</atitle><btitle>2007 Computers in Cardiology</btitle><stitle>CIC</stitle><date>2007-09</date><risdate>2007</risdate><spage>757</spage><epage>760</epage><pages>757-760</pages><issn>0276-6574</issn><eissn>2325-8853</eissn><isbn>1424425336</isbn><isbn>9781424425334</isbn><eisbn>1424425344</eisbn><eisbn>9781424425341</eisbn><abstract>A noninvasive method for detection of coronary artery disease (CAD) with an electronic stethoscope is proposed. Heart sounds recorded in clinical settings are often contaminated with background noise and noise caused by friction between the skin and the stethoscope. A method was developed to reduce the influence of the noise artifacts. The diastolic parts of the heart sounds were divided into multiple sub-segments, where noisy sub-segments were indentified as sub-segments with a low degree of stationarity or with a high energy level. The sub-segments not identified as noisy were analyzed with an autoregressive (AR) model, where the pole-magnitude of the 1 st pole was used as a discriminating parameter. A test on 50 subjects showed that removal of the noisy sub-segments before analyses improved the diagnostic performance of the AR-model considerably, thereby reducing the influence of noise related to the use of a handhold stethoscope.</abstract><pub>IEEE</pub><doi>10.1109/CIC.2007.4745596</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record>
fulltext	fulltext_linktorsrc
identifier	ISSN: 0276-6574
ispartof	2007 Computers in Cardiology, 2007, p.757-760
issn	0276-6574 2325-8853
language	eng
recordid	cdi_ieee_primary_4745596
source	IEEE Electronic Library (IEL) Conference Proceedings
subjects	Acoustic noise Background noise Coronary arteriosclerosis Energy states Friction Heart Noise level Noise reduction Skin Stethoscope
title	Detection of coronary artery disease with an electronic stethoscope
url	http://sfxeu10.hosted.exlibrisgroup.com/loughborough?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-24T22%3A46%3A28IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-ieee_6IE&rft_val_fmt=info:ofi/fmt:kev:mtx:book&rft.genre=proceeding&rft.atitle=Detection%20of%20coronary%20artery%20disease%20with%20an%20electronic%20stethoscope&rft.btitle=2007%20Computers%20in%20Cardiology&rft.au=Schmidt,%20S.E.&rft.date=2007-09&rft.spage=757&rft.epage=760&rft.pages=757-760&rft.issn=0276-6574&rft.eissn=2325-8853&rft.isbn=1424425336&rft.isbn_list=9781424425334&rft_id=info:doi/10.1109/CIC.2007.4745596&rft.eisbn=1424425344&rft.eisbn_list=9781424425341&rft_dat=%3Cieee_6IE%3E4745596%3C/ieee_6IE%3E%3Cgrp_id%3Ecdi_FETCH-LOGICAL-c264t-de2e25f4609843e8d36d39b06d63d9f814e26c08da016e0b5fa966d0626d3ee33%3C/grp_id%3E%3Coa%3E%3C/oa%3E%3Curl%3E%3C/url%3E&rft_id=info:oai/&rft_id=info:pmid/&rft_ieee_id=4745596&rfr_iscdi=true