Pulse wave velocity in the carotid artery
The pulse wave velocity (PWV) in the carotid artery (CA) has been estimated based on ultrasound data collected by the experimental scanner RASMUS at DTU. Data is collected from one test subject using a frame rate (FR) of 4000 Hz. The influence of FRs is also investigated. The PWV is calculated from...
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| creator | Sorensen, G.L. Jensen, J.B. Udesen, J. Holfort, I.K. Jensen, J.A. |
| description | The pulse wave velocity (PWV) in the carotid artery (CA) has been estimated based on ultrasound data collected by the experimental scanner RASMUS at DTU. Data is collected from one test subject using a frame rate (FR) of 4000 Hz. The influence of FRs is also investigated. The PWV is calculated from distension wave forms (DWF) estimated using cross-correlation. The obtained velocities give results in the area between 3-4 m/s, and the deviations between estimated PWV from two beats of a pulse are around 10%. The results indicate that the method presented is applicable for detecting the local PWV. Additional studies with data collections from several test subjects are required to determine the accuracy of the approach. Based on a spectrum analysis it appears that there is no gain from using FRs above 1000 Hz, but it is shown that FRs below 1000 Hz do not give accurate PWVs. |
| doi_str_mv | 10.1109/ULTSYM.2008.0336 |
| format | Conference Proceeding |
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Data is collected from one test subject using a frame rate (FR) of 4000 Hz. The influence of FRs is also investigated. The PWV is calculated from distension wave forms (DWF) estimated using cross-correlation. The obtained velocities give results in the area between 3-4 m/s, and the deviations between estimated PWV from two beats of a pulse are around 10%. The results indicate that the method presented is applicable for detecting the local PWV. Additional studies with data collections from several test subjects are required to determine the accuracy of the approach. 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Data is collected from one test subject using a frame rate (FR) of 4000 Hz. The influence of FRs is also investigated. The PWV is calculated from distension wave forms (DWF) estimated using cross-correlation. The obtained velocities give results in the area between 3-4 m/s, and the deviations between estimated PWV from two beats of a pulse are around 10%. The results indicate that the method presented is applicable for detecting the local PWV. Additional studies with data collections from several test subjects are required to determine the accuracy of the approach. Based on a spectrum analysis it appears that there is no gain from using FRs above 1000 Hz, but it is shown that FRs below 1000 Hz do not give accurate PWVs.</description><subject>Arteriosclerosis</subject><subject>Cardiac disease</subject><subject>Cardiovascular diseases</subject><subject>Carotid arteries</subject><subject>Equations</subject><subject>Foot</subject><subject>Pulse measurements</subject><subject>Testing</subject><subject>Ultrasonic imaging</subject><subject>Ultrasonic variables measurement</subject><issn>1051-0117</issn><isbn>1424424283</isbn><isbn>9781424424283</isbn><isbn>1424424801</isbn><isbn>9781424424801</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2008</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNo9T01Lw0AUXNGCafUueNmrh8T39m02-45S6gdEFGwPnso2-4KRaiWJlfx7AxZhYJhhZmCUukDIEIGvV-Xy5fUxMwA-AyJ3pKZojR3hAY__hfF0ohKEHFNALCYqKSh1Fi24UzXtuncAA7mxibp6_t52on_CXvRetruq6QfdfOr-TXQV2l3fRB3aXtrhTE3qMGbPDzxTq9vFcn6flk93D_ObMq2Ms30anTNF5E0twTNzzpGkYhLAzWhE9mTz3KNEawJWnoEsiwCw53osEs3U5d9uIyLrr7b5CO2wHv-R9Y5-AcE0Q70</recordid><startdate>20080101</startdate><enddate>20080101</enddate><creator>Sorensen, G.L.</creator><creator>Jensen, J.B.</creator><creator>Udesen, J.</creator><creator>Holfort, I.K.</creator><creator>Jensen, J.A.</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope></search><sort><creationdate>20080101</creationdate><title>Pulse wave velocity in the carotid artery</title><author>Sorensen, G.L. ; Jensen, J.B. ; Udesen, J. ; Holfort, I.K. ; Jensen, J.A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c264t-d6627d9bfea899959d3ec93e01ba89d98345581ed42a1c890349ee00989f27d33</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Arteriosclerosis</topic><topic>Cardiac disease</topic><topic>Cardiovascular diseases</topic><topic>Carotid arteries</topic><topic>Equations</topic><topic>Foot</topic><topic>Pulse measurements</topic><topic>Testing</topic><topic>Ultrasonic imaging</topic><topic>Ultrasonic variables measurement</topic><toplevel>online_resources</toplevel><creatorcontrib>Sorensen, G.L.</creatorcontrib><creatorcontrib>Jensen, J.B.</creatorcontrib><creatorcontrib>Udesen, J.</creatorcontrib><creatorcontrib>Holfort, I.K.</creatorcontrib><creatorcontrib>Jensen, J.A.</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 Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Sorensen, G.L.</au><au>Jensen, J.B.</au><au>Udesen, J.</au><au>Holfort, I.K.</au><au>Jensen, J.A.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Pulse wave velocity in the carotid artery</atitle><btitle>2008 IEEE Ultrasonics Symposium</btitle><stitle>ULTSYM</stitle><date>2008-01-01</date><risdate>2008</risdate><spage>1386</spage><epage>1389</epage><pages>1386-1389</pages><issn>1051-0117</issn><isbn>1424424283</isbn><isbn>9781424424283</isbn><eisbn>1424424801</eisbn><eisbn>9781424424801</eisbn><abstract>The pulse wave velocity (PWV) in the carotid artery (CA) has been estimated based on ultrasound data collected by the experimental scanner RASMUS at DTU. Data is collected from one test subject using a frame rate (FR) of 4000 Hz. The influence of FRs is also investigated. The PWV is calculated from distension wave forms (DWF) estimated using cross-correlation. The obtained velocities give results in the area between 3-4 m/s, and the deviations between estimated PWV from two beats of a pulse are around 10%. The results indicate that the method presented is applicable for detecting the local PWV. Additional studies with data collections from several test subjects are required to determine the accuracy of the approach. Based on a spectrum analysis it appears that there is no gain from using FRs above 1000 Hz, but it is shown that FRs below 1000 Hz do not give accurate PWVs.</abstract><pub>IEEE</pub><doi>10.1109/ULTSYM.2008.0336</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | 2008 IEEE Ultrasonics Symposium, 2008, p.1386-1389 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Arteriosclerosis Cardiac disease Cardiovascular diseases Carotid arteries Equations Foot Pulse measurements Testing Ultrasonic imaging Ultrasonic variables measurement |
| title | Pulse wave velocity in the carotid artery |
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