Shorter delay time reduces interpatient variability in coronary enhancement in coronary CT angiography using the bolus tracking method with 320-row CT
The purpose was to investigate the influence of shorter delay time on the interpatient variability in coronary enhancement and appropriateness of scan timing in coronary CT angiography (CTA) using bolus tracking method with 320-row CT. The bolus tracking scan was performed at the level of the bifurc...
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| Veröffentlicht in: | The International Journal of Cardiovascular Imaging 2013, Vol.29 (1), p.185-190 |
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| creator | Tomizawa, Nobuo Nojo, Takeshi Akahane, Masaaki Torigoe, Rumiko Kiryu, Shigeru Ohtomo, Kuni |
| description | The purpose was to investigate the influence of shorter delay time on the interpatient variability in coronary enhancement and appropriateness of scan timing in coronary CT angiography (CTA) using bolus tracking method with 320-row CT. The bolus tracking scan was performed at the level of the bifurcation of the trachea for first 50 patients (group 1) and at the center level of the diagnostic scan for the last 50 patients (group 2). The CT number of the proximal coronary arteries was measured in the right coronary artery (RCA) and the left main trunk (LMT). The CT numbers of the right ventricle, left ventricle, ascending aorta, and descending aorta were also measured to consider the appropriateness of the scan timing. The delay time was longer in group 1 than in group 2 (7.0 vs. 2.6 s;
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| doi_str_mv | 10.1007/s10554-012-0045-1 |
| format | Article |
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p
< 0.0001). The CT number within the RCA was 390 ± 75 HU for group 1 and 419 ± 42 HU for group 2. The CT number within the LMT was 396 ± 72 HU for group 1 and 420 ± 40 HU for group 2. The difference of average (
p
= 0.02 and 0.04) and standard deviation (
p
= 0.03 and 0.02) was statistically significant. The scan timing was early or late in 15 patients for group 1, but only 2 patients for group 2 (
p
= 0.0002). Shortening the delay time could reduce the interpatient variability in coronary enhancement with appropriate scan timing in coronary CTA.</description><identifier>ISSN: 1569-5794</identifier><identifier>EISSN: 1573-0743</identifier><identifier>EISSN: 1875-8312</identifier><identifier>DOI: 10.1007/s10554-012-0045-1</identifier><identifier>PMID: 22527257</identifier><identifier>CODEN: IJCIBI</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Adult ; Aged ; Aged, 80 and over ; Cardiac Imaging ; Cardiology ; Chi-Square Distribution ; Contrast Media - administration & dosage ; Coronary Angiography - methods ; Coronary Vessels - diagnostic imaging ; Female ; Humans ; Imaging ; Iopamidol - administration & dosage ; Male ; Medicine ; Medicine & Public Health ; Middle Aged ; Multidetector Computed Tomography ; Original Paper ; Predictive Value of Tests ; Radiology ; Reproducibility of Results ; Retrospective Studies ; Time Factors</subject><ispartof>The International Journal of Cardiovascular Imaging, 2013, Vol.29 (1), p.185-190</ispartof><rights>Springer Science+Business Media, B.V. 2012</rights><rights>Springer Science+Business Media Dordrecht 2013</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c372t-62f406d3b5d8e57165e88e2466a7a8334f0e602bf5f495df59b82ee12fb15683</citedby><cites>FETCH-LOGICAL-c372t-62f406d3b5d8e57165e88e2466a7a8334f0e602bf5f495df59b82ee12fb15683</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10554-012-0045-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10554-012-0045-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,777,781,27905,27906,41469,42538,51300</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22527257$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Tomizawa, Nobuo</creatorcontrib><creatorcontrib>Nojo, Takeshi</creatorcontrib><creatorcontrib>Akahane, Masaaki</creatorcontrib><creatorcontrib>Torigoe, Rumiko</creatorcontrib><creatorcontrib>Kiryu, Shigeru</creatorcontrib><creatorcontrib>Ohtomo, Kuni</creatorcontrib><title>Shorter delay time reduces interpatient variability in coronary enhancement in coronary CT angiography using the bolus tracking method with 320-row CT</title><title>The International Journal of Cardiovascular Imaging</title><addtitle>Int J Cardiovasc Imaging</addtitle><addtitle>Int J Cardiovasc Imaging</addtitle><description>The purpose was to investigate the influence of shorter delay time on the interpatient variability in coronary enhancement and appropriateness of scan timing in coronary CT angiography (CTA) using bolus tracking method with 320-row CT. The bolus tracking scan was performed at the level of the bifurcation of the trachea for first 50 patients (group 1) and at the center level of the diagnostic scan for the last 50 patients (group 2). The CT number of the proximal coronary arteries was measured in the right coronary artery (RCA) and the left main trunk (LMT). The CT numbers of the right ventricle, left ventricle, ascending aorta, and descending aorta were also measured to consider the appropriateness of the scan timing. The delay time was longer in group 1 than in group 2 (7.0 vs. 2.6 s;
p
< 0.0001). The CT number within the RCA was 390 ± 75 HU for group 1 and 419 ± 42 HU for group 2. The CT number within the LMT was 396 ± 72 HU for group 1 and 420 ± 40 HU for group 2. The difference of average (
p
= 0.02 and 0.04) and standard deviation (
p
= 0.03 and 0.02) was statistically significant. The scan timing was early or late in 15 patients for group 1, but only 2 patients for group 2 (
p
= 0.0002). Shortening the delay time could reduce the interpatient variability in coronary enhancement with appropriate scan timing in coronary CTA.</description><subject>Adult</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Cardiac Imaging</subject><subject>Cardiology</subject><subject>Chi-Square Distribution</subject><subject>Contrast Media - administration & dosage</subject><subject>Coronary Angiography - methods</subject><subject>Coronary Vessels - diagnostic imaging</subject><subject>Female</subject><subject>Humans</subject><subject>Imaging</subject><subject>Iopamidol - administration & dosage</subject><subject>Male</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Middle Aged</subject><subject>Multidetector Computed Tomography</subject><subject>Original Paper</subject><subject>Predictive Value of Tests</subject><subject>Radiology</subject><subject>Reproducibility of Results</subject><subject>Retrospective Studies</subject><subject>Time Factors</subject><issn>1569-5794</issn><issn>1573-0743</issn><issn>1875-8312</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><recordid>eNp1kcuO1DAQRSMEYh7wAWyQJTZsDOVXnCxRCxikkVjQe8tJKh0Pid3YDqP-Eb4XRz2gERKrKtU9dW3VrapXDN4xAP0-MVBKUmCcAkhF2ZPqkiktKGgpnm593VKlW3lRXaV0BwAcuHheXXCuuOZKX1a_vk0hZoxkwNmeSHYLkojD2mMizhfhaLNDn8lPG53t3OzyqQikDzF4G08E_WR9j8vGPJ7v9sT6gwuHaI_TiazJ-QPJE5IuzGsiOdr--zZaME9hIPcuT0RwoDHcl90X1bPRzglfPtTrav_p4353Q2-_fv6y-3BLe6F5pjUfJdSD6NTQoNKsVtg0yGVdW20bIeQIWAPvRjXKVg2jaruGIzI-duU2jbiu3p5tjzH8WDFls7jU4zxbj2FNhnEttBaSs4K--Qe9C2v05XMbxRrVgoBCsTPVx5BSxNEco1vKPQwDs2VmzpmZkpnZMjOb8-sH57VbcPi78SekAvAzkIrkDxgfPf1f199Zy6LI</recordid><startdate>2013</startdate><enddate>2013</enddate><creator>Tomizawa, Nobuo</creator><creator>Nojo, Takeshi</creator><creator>Akahane, Masaaki</creator><creator>Torigoe, Rumiko</creator><creator>Kiryu, Shigeru</creator><creator>Ohtomo, Kuni</creator><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8FD</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>K9.</scope><scope>M0S</scope><scope>M1P</scope><scope>M7Z</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope></search><sort><creationdate>2013</creationdate><title>Shorter delay time reduces interpatient variability in coronary enhancement in coronary CT angiography using the bolus tracking method with 320-row CT</title><author>Tomizawa, Nobuo ; Nojo, Takeshi ; Akahane, Masaaki ; Torigoe, Rumiko ; Kiryu, Shigeru ; Ohtomo, Kuni</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c372t-62f406d3b5d8e57165e88e2466a7a8334f0e602bf5f495df59b82ee12fb15683</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Adult</topic><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Cardiac Imaging</topic><topic>Cardiology</topic><topic>Chi-Square Distribution</topic><topic>Contrast Media - administration & dosage</topic><topic>Coronary Angiography - methods</topic><topic>Coronary Vessels - diagnostic imaging</topic><topic>Female</topic><topic>Humans</topic><topic>Imaging</topic><topic>Iopamidol - administration & dosage</topic><topic>Male</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Middle Aged</topic><topic>Multidetector Computed Tomography</topic><topic>Original Paper</topic><topic>Predictive Value of Tests</topic><topic>Radiology</topic><topic>Reproducibility of Results</topic><topic>Retrospective Studies</topic><topic>Time Factors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tomizawa, Nobuo</creatorcontrib><creatorcontrib>Nojo, Takeshi</creatorcontrib><creatorcontrib>Akahane, Masaaki</creatorcontrib><creatorcontrib>Torigoe, Rumiko</creatorcontrib><creatorcontrib>Kiryu, Shigeru</creatorcontrib><creatorcontrib>Ohtomo, Kuni</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Technology Research Database</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Biochemistry Abstracts 1</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><jtitle>The International Journal of Cardiovascular Imaging</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tomizawa, Nobuo</au><au>Nojo, Takeshi</au><au>Akahane, Masaaki</au><au>Torigoe, Rumiko</au><au>Kiryu, Shigeru</au><au>Ohtomo, Kuni</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Shorter delay time reduces interpatient variability in coronary enhancement in coronary CT angiography using the bolus tracking method with 320-row CT</atitle><jtitle>The International Journal of Cardiovascular Imaging</jtitle><stitle>Int J Cardiovasc Imaging</stitle><addtitle>Int J Cardiovasc Imaging</addtitle><date>2013</date><risdate>2013</risdate><volume>29</volume><issue>1</issue><spage>185</spage><epage>190</epage><pages>185-190</pages><issn>1569-5794</issn><eissn>1573-0743</eissn><eissn>1875-8312</eissn><coden>IJCIBI</coden><abstract>The purpose was to investigate the influence of shorter delay time on the interpatient variability in coronary enhancement and appropriateness of scan timing in coronary CT angiography (CTA) using bolus tracking method with 320-row CT. The bolus tracking scan was performed at the level of the bifurcation of the trachea for first 50 patients (group 1) and at the center level of the diagnostic scan for the last 50 patients (group 2). The CT number of the proximal coronary arteries was measured in the right coronary artery (RCA) and the left main trunk (LMT). The CT numbers of the right ventricle, left ventricle, ascending aorta, and descending aorta were also measured to consider the appropriateness of the scan timing. The delay time was longer in group 1 than in group 2 (7.0 vs. 2.6 s;
p
< 0.0001). The CT number within the RCA was 390 ± 75 HU for group 1 and 419 ± 42 HU for group 2. The CT number within the LMT was 396 ± 72 HU for group 1 and 420 ± 40 HU for group 2. The difference of average (
p
= 0.02 and 0.04) and standard deviation (
p
= 0.03 and 0.02) was statistically significant. The scan timing was early or late in 15 patients for group 1, but only 2 patients for group 2 (
p
= 0.0002). Shortening the delay time could reduce the interpatient variability in coronary enhancement with appropriate scan timing in coronary CTA.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><pmid>22527257</pmid><doi>10.1007/s10554-012-0045-1</doi><tpages>6</tpages></addata></record> |
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| subjects | Adult Aged Aged, 80 and over Cardiac Imaging Cardiology Chi-Square Distribution Contrast Media - administration & dosage Coronary Angiography - methods Coronary Vessels - diagnostic imaging Female Humans Imaging Iopamidol - administration & dosage Male Medicine Medicine & Public Health Middle Aged Multidetector Computed Tomography Original Paper Predictive Value of Tests Radiology Reproducibility of Results Retrospective Studies Time Factors |
| title | Shorter delay time reduces interpatient variability in coronary enhancement in coronary CT angiography using the bolus tracking method with 320-row CT |
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