Technical report: gadoxetate-disodium-enhanced 2D R2 mapping: a novel approach for assessing bile ducts in living donors
Purpose Gadoxetate-disodium (Gd-EOB-DTPA)-enhanced 3D T1- weighted (T1w) MR cholangiography (MRC) is an efficient method to evaluate biliary anatomy due to T1 shortening of excreted contrast in the bile. A method that exploits both T1 shortening and T2* effects may produce even greater bile duct con...
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| Veröffentlicht in: | Abdominal imaging 2018-07, Vol.43 (7), p.1656-1660 |
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| creator | Fazeli Dehkordy, Soudabeh Fowler, Kathryn J. Wolfson, Tanya Igarashi, Saya Lamas Constantino, Carolina P. Hooker, Jonathan C. Hong, Cheng W. Mamidipalli, Adrija Gamst, Anthony C. Hemming, Alan Sirlin, Claude B. |
| description | Purpose
Gadoxetate-disodium (Gd-EOB-DTPA)-enhanced 3D T1- weighted (T1w) MR cholangiography (MRC) is an efficient method to evaluate biliary anatomy due to T1 shortening of excreted contrast in the bile. A method that exploits both T1 shortening and T2* effects may produce even greater bile duct conspicuity. The aim of our study is to determine feasibility and compare the diagnostic performance of two-dimensional (2D) T1w multi-echo (ME) spoiled gradient-recalled-echo (SPGR) derived R2* maps against T1w MRC for bile duct visualization in living liver donor candidates.
Materials and methods
Ten potential living liver donor candidates underwent pretransplant 3T MRI and were included in our study. Following injection of Gd-EOBDTPA and a 20-min delay, 3D T1w MRC and 2D T1w ME SPGR images were acquired. 2D R2* maps were generated inline by the scanner assuming exponential decay. The 3D T1w MRC and 2D R2* maps were retrospectively and independently reviewed in two separate sessions by three radiologists. Visualization of eight bile duct segments was scored using a 4-point ordinal scale. The scores were compared using mixed effects regression model.
Results
Imaging was tolerated by all donors and R2* maps were successfully generated in all cases. Visualization scores of 2D R2* maps were significantly higher than 3D T1w MRC for right anterior (
p
= 0.003) and posterior (
p
= 0.0001), segment 2 (
p
|
| doi_str_mv | 10.1007/s00261-017-1365-3 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_pubme</sourceid><recordid>TN_cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_6042650</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2067596078</sourcerecordid><originalsourceid>FETCH-LOGICAL-c3853-a7f8f1d9dc7e7d3c5c6f0c20b25d2251ce9e518df3d04ce9f7fa26e6bf0b83753</originalsourceid><addsrcrecordid>eNp1kV9rFTEQxRdRbKn9AL5IwBdftk6STXa3D4JUq0JBkAq-hWwyuTdlN1mT3Uv99uZy6_UP-JRMzm_OZDhV9ZzCBQVoX2cAJmkNtK0pl6Lmj6pTxqWsAUT3-Hhvvp1U5znfAQCVglImnlYnrIdOFpPT6v4WzTZ4o0eScI5puSQbbeM9LnrB2vocrV-nGsNWB4OWsHfkCyOTnmcfNpdEkxB3OJJSp6jNlriYiM4Zcy46GfyIxK5mycQHMvrd_tHGEFN-Vj1xesx4_nCeVV-v399efaxvPn_4dPX2pja8E7zWresctb01LbaWG2GkA8NgYMIyJqjBHgXtrOMWmlK41mkmUQ4Oho63gp9Vbw6-8zpMaA2GJelRzclPOv1QUXv1txL8Vm3iTklomBRQDF49GKT4fcW8qMlng-OoA8Y1K9qLTjQAsinoy3_Qu7imUNZTDGQregltVyh6oEyKOSd0x89QUPto1SFaVaJV-2gVLz0v_tzi2PEryAKwA5CLFDaYfo_-v-tPgSqwdA</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2067596078</pqid></control><display><type>article</type><title>Technical report: gadoxetate-disodium-enhanced 2D R2 mapping: a novel approach for assessing bile ducts in living donors</title><source>SpringerNature Journals</source><creator>Fazeli Dehkordy, Soudabeh ; Fowler, Kathryn J. ; Wolfson, Tanya ; Igarashi, Saya ; Lamas Constantino, Carolina P. ; Hooker, Jonathan C. ; Hong, Cheng W. ; Mamidipalli, Adrija ; Gamst, Anthony C. ; Hemming, Alan ; Sirlin, Claude B.</creator><creatorcontrib>Fazeli Dehkordy, Soudabeh ; Fowler, Kathryn J. ; Wolfson, Tanya ; Igarashi, Saya ; Lamas Constantino, Carolina P. ; Hooker, Jonathan C. ; Hong, Cheng W. ; Mamidipalli, Adrija ; Gamst, Anthony C. ; Hemming, Alan ; Sirlin, Claude B.</creatorcontrib><description>Purpose
Gadoxetate-disodium (Gd-EOB-DTPA)-enhanced 3D T1- weighted (T1w) MR cholangiography (MRC) is an efficient method to evaluate biliary anatomy due to T1 shortening of excreted contrast in the bile. A method that exploits both T1 shortening and T2* effects may produce even greater bile duct conspicuity. The aim of our study is to determine feasibility and compare the diagnostic performance of two-dimensional (2D) T1w multi-echo (ME) spoiled gradient-recalled-echo (SPGR) derived R2* maps against T1w MRC for bile duct visualization in living liver donor candidates.
Materials and methods
Ten potential living liver donor candidates underwent pretransplant 3T MRI and were included in our study. Following injection of Gd-EOBDTPA and a 20-min delay, 3D T1w MRC and 2D T1w ME SPGR images were acquired. 2D R2* maps were generated inline by the scanner assuming exponential decay. The 3D T1w MRC and 2D R2* maps were retrospectively and independently reviewed in two separate sessions by three radiologists. Visualization of eight bile duct segments was scored using a 4-point ordinal scale. The scores were compared using mixed effects regression model.
Results
Imaging was tolerated by all donors and R2* maps were successfully generated in all cases. Visualization scores of 2D R2* maps were significantly higher than 3D T1w MRC for right anterior (
p
= 0.003) and posterior (
p
= 0.0001), segment 2 (
p
< 0.0001), segment 3 (
p
= 0.0001), and segment 4 (
p
< 0.0001) ducts.
Conclusions
Gd-EOB-DTPA-enhanced 2D R2* mapping is a feasible method for evaluating the bile ducts in living donors and may be a valuable addition to the living liver donor MR protocol for delineating intrahepatic biliary anatomy.</description><identifier>ISSN: 2366-004X</identifier><identifier>EISSN: 2366-0058</identifier><identifier>DOI: 10.1007/s00261-017-1365-3</identifier><identifier>PMID: 29086007</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Anatomy ; Bile ; Bile ducts ; Conspicuity ; Diagnostic systems ; Feasibility studies ; Gadolinium ; Gastroenterology ; Hepatology ; Image acquisition ; Imaging ; Invited Article ; Liver ; Magnetic resonance imaging ; Mapping ; Medicine ; Medicine & Public Health ; Organ donors ; Radiology ; Regression models ; Visualization</subject><ispartof>Abdominal imaging, 2018-07, Vol.43 (7), p.1656-1660</ispartof><rights>Springer Science+Business Media, LLC 2017</rights><rights>Abdominal Radiology is a copyright of Springer, (2017). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3853-a7f8f1d9dc7e7d3c5c6f0c20b25d2251ce9e518df3d04ce9f7fa26e6bf0b83753</citedby><cites>FETCH-LOGICAL-c3853-a7f8f1d9dc7e7d3c5c6f0c20b25d2251ce9e518df3d04ce9f7fa26e6bf0b83753</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/s00261-017-1365-3$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00261-017-1365-3$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>230,314,780,784,885,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29086007$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Fazeli Dehkordy, Soudabeh</creatorcontrib><creatorcontrib>Fowler, Kathryn J.</creatorcontrib><creatorcontrib>Wolfson, Tanya</creatorcontrib><creatorcontrib>Igarashi, Saya</creatorcontrib><creatorcontrib>Lamas Constantino, Carolina P.</creatorcontrib><creatorcontrib>Hooker, Jonathan C.</creatorcontrib><creatorcontrib>Hong, Cheng W.</creatorcontrib><creatorcontrib>Mamidipalli, Adrija</creatorcontrib><creatorcontrib>Gamst, Anthony C.</creatorcontrib><creatorcontrib>Hemming, Alan</creatorcontrib><creatorcontrib>Sirlin, Claude B.</creatorcontrib><title>Technical report: gadoxetate-disodium-enhanced 2D R2 mapping: a novel approach for assessing bile ducts in living donors</title><title>Abdominal imaging</title><addtitle>Abdom Radiol</addtitle><addtitle>Abdom Radiol (NY)</addtitle><description>Purpose
Gadoxetate-disodium (Gd-EOB-DTPA)-enhanced 3D T1- weighted (T1w) MR cholangiography (MRC) is an efficient method to evaluate biliary anatomy due to T1 shortening of excreted contrast in the bile. A method that exploits both T1 shortening and T2* effects may produce even greater bile duct conspicuity. The aim of our study is to determine feasibility and compare the diagnostic performance of two-dimensional (2D) T1w multi-echo (ME) spoiled gradient-recalled-echo (SPGR) derived R2* maps against T1w MRC for bile duct visualization in living liver donor candidates.
Materials and methods
Ten potential living liver donor candidates underwent pretransplant 3T MRI and were included in our study. Following injection of Gd-EOBDTPA and a 20-min delay, 3D T1w MRC and 2D T1w ME SPGR images were acquired. 2D R2* maps were generated inline by the scanner assuming exponential decay. The 3D T1w MRC and 2D R2* maps were retrospectively and independently reviewed in two separate sessions by three radiologists. Visualization of eight bile duct segments was scored using a 4-point ordinal scale. The scores were compared using mixed effects regression model.
Results
Imaging was tolerated by all donors and R2* maps were successfully generated in all cases. Visualization scores of 2D R2* maps were significantly higher than 3D T1w MRC for right anterior (
p
= 0.003) and posterior (
p
= 0.0001), segment 2 (
p
< 0.0001), segment 3 (
p
= 0.0001), and segment 4 (
p
< 0.0001) ducts.
Conclusions
Gd-EOB-DTPA-enhanced 2D R2* mapping is a feasible method for evaluating the bile ducts in living donors and may be a valuable addition to the living liver donor MR protocol for delineating intrahepatic biliary anatomy.</description><subject>Anatomy</subject><subject>Bile</subject><subject>Bile ducts</subject><subject>Conspicuity</subject><subject>Diagnostic systems</subject><subject>Feasibility studies</subject><subject>Gadolinium</subject><subject>Gastroenterology</subject><subject>Hepatology</subject><subject>Image acquisition</subject><subject>Imaging</subject><subject>Invited Article</subject><subject>Liver</subject><subject>Magnetic resonance imaging</subject><subject>Mapping</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Organ donors</subject><subject>Radiology</subject><subject>Regression models</subject><subject>Visualization</subject><issn>2366-004X</issn><issn>2366-0058</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kV9rFTEQxRdRbKn9AL5IwBdftk6STXa3D4JUq0JBkAq-hWwyuTdlN1mT3Uv99uZy6_UP-JRMzm_OZDhV9ZzCBQVoX2cAJmkNtK0pl6Lmj6pTxqWsAUT3-Hhvvp1U5znfAQCVglImnlYnrIdOFpPT6v4WzTZ4o0eScI5puSQbbeM9LnrB2vocrV-nGsNWB4OWsHfkCyOTnmcfNpdEkxB3OJJSp6jNlriYiM4Zcy46GfyIxK5mycQHMvrd_tHGEFN-Vj1xesx4_nCeVV-v399efaxvPn_4dPX2pja8E7zWresctb01LbaWG2GkA8NgYMIyJqjBHgXtrOMWmlK41mkmUQ4Oho63gp9Vbw6-8zpMaA2GJelRzclPOv1QUXv1txL8Vm3iTklomBRQDF49GKT4fcW8qMlng-OoA8Y1K9qLTjQAsinoy3_Qu7imUNZTDGQregltVyh6oEyKOSd0x89QUPto1SFaVaJV-2gVLz0v_tzi2PEryAKwA5CLFDaYfo_-v-tPgSqwdA</recordid><startdate>20180701</startdate><enddate>20180701</enddate><creator>Fazeli 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B.V</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7RV</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>JQ2</scope><scope>K7-</scope><scope>K9.</scope><scope>KB0</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M7P</scope><scope>M7Z</scope><scope>NAPCQ</scope><scope>P5Z</scope><scope>P62</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20180701</creationdate><title>Technical report: gadoxetate-disodium-enhanced 2D R2 mapping: a novel approach for assessing bile ducts in living donors</title><author>Fazeli Dehkordy, Soudabeh ; Fowler, Kathryn J. ; Wolfson, Tanya ; Igarashi, Saya ; Lamas Constantino, Carolina P. ; Hooker, Jonathan C. ; Hong, Cheng W. ; Mamidipalli, Adrija ; Gamst, Anthony C. ; Hemming, Alan ; Sirlin, Claude B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3853-a7f8f1d9dc7e7d3c5c6f0c20b25d2251ce9e518df3d04ce9f7fa26e6bf0b83753</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Anatomy</topic><topic>Bile</topic><topic>Bile ducts</topic><topic>Conspicuity</topic><topic>Diagnostic systems</topic><topic>Feasibility studies</topic><topic>Gadolinium</topic><topic>Gastroenterology</topic><topic>Hepatology</topic><topic>Image acquisition</topic><topic>Imaging</topic><topic>Invited Article</topic><topic>Liver</topic><topic>Magnetic resonance imaging</topic><topic>Mapping</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Organ donors</topic><topic>Radiology</topic><topic>Regression models</topic><topic>Visualization</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fazeli Dehkordy, Soudabeh</creatorcontrib><creatorcontrib>Fowler, Kathryn J.</creatorcontrib><creatorcontrib>Wolfson, Tanya</creatorcontrib><creatorcontrib>Igarashi, Saya</creatorcontrib><creatorcontrib>Lamas Constantino, Carolina P.</creatorcontrib><creatorcontrib>Hooker, Jonathan C.</creatorcontrib><creatorcontrib>Hong, Cheng W.</creatorcontrib><creatorcontrib>Mamidipalli, Adrija</creatorcontrib><creatorcontrib>Gamst, Anthony C.</creatorcontrib><creatorcontrib>Hemming, Alan</creatorcontrib><creatorcontrib>Sirlin, Claude B.</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Nursing & Allied 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Database</collection><collection>Biochemistry Abstracts 1</collection><collection>Nursing & Allied Health Premium</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</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><collection>PubMed Central (Full Participant titles)</collection><jtitle>Abdominal imaging</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fazeli Dehkordy, Soudabeh</au><au>Fowler, Kathryn J.</au><au>Wolfson, Tanya</au><au>Igarashi, Saya</au><au>Lamas Constantino, Carolina P.</au><au>Hooker, Jonathan C.</au><au>Hong, Cheng W.</au><au>Mamidipalli, Adrija</au><au>Gamst, Anthony C.</au><au>Hemming, Alan</au><au>Sirlin, Claude B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Technical report: gadoxetate-disodium-enhanced 2D R2 mapping: a novel approach for assessing bile ducts in living donors</atitle><jtitle>Abdominal imaging</jtitle><stitle>Abdom Radiol</stitle><addtitle>Abdom Radiol (NY)</addtitle><date>2018-07-01</date><risdate>2018</risdate><volume>43</volume><issue>7</issue><spage>1656</spage><epage>1660</epage><pages>1656-1660</pages><issn>2366-004X</issn><eissn>2366-0058</eissn><abstract>Purpose
Gadoxetate-disodium (Gd-EOB-DTPA)-enhanced 3D T1- weighted (T1w) MR cholangiography (MRC) is an efficient method to evaluate biliary anatomy due to T1 shortening of excreted contrast in the bile. A method that exploits both T1 shortening and T2* effects may produce even greater bile duct conspicuity. The aim of our study is to determine feasibility and compare the diagnostic performance of two-dimensional (2D) T1w multi-echo (ME) spoiled gradient-recalled-echo (SPGR) derived R2* maps against T1w MRC for bile duct visualization in living liver donor candidates.
Materials and methods
Ten potential living liver donor candidates underwent pretransplant 3T MRI and were included in our study. Following injection of Gd-EOBDTPA and a 20-min delay, 3D T1w MRC and 2D T1w ME SPGR images were acquired. 2D R2* maps were generated inline by the scanner assuming exponential decay. The 3D T1w MRC and 2D R2* maps were retrospectively and independently reviewed in two separate sessions by three radiologists. Visualization of eight bile duct segments was scored using a 4-point ordinal scale. The scores were compared using mixed effects regression model.
Results
Imaging was tolerated by all donors and R2* maps were successfully generated in all cases. Visualization scores of 2D R2* maps were significantly higher than 3D T1w MRC for right anterior (
p
= 0.003) and posterior (
p
= 0.0001), segment 2 (
p
< 0.0001), segment 3 (
p
= 0.0001), and segment 4 (
p
< 0.0001) ducts.
Conclusions
Gd-EOB-DTPA-enhanced 2D R2* mapping is a feasible method for evaluating the bile ducts in living donors and may be a valuable addition to the living liver donor MR protocol for delineating intrahepatic biliary anatomy.</abstract><cop>New York</cop><pub>Springer US</pub><pmid>29086007</pmid><doi>10.1007/s00261-017-1365-3</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Abdominal imaging, 2018-07, Vol.43 (7), p.1656-1660 |
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| language | eng |
| recordid | cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_6042650 |
| source | SpringerNature Journals |
| subjects | Anatomy Bile Bile ducts Conspicuity Diagnostic systems Feasibility studies Gadolinium Gastroenterology Hepatology Image acquisition Imaging Invited Article Liver Magnetic resonance imaging Mapping Medicine Medicine & Public Health Organ donors Radiology Regression models Visualization |
| title | Technical report: gadoxetate-disodium-enhanced 2D R2 mapping: a novel approach for assessing bile ducts in living donors |
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