Extracellular volume fraction by T1 mapping predicts improvement of left ventricular ejection fraction after catheter ablation in patients with non-ischemic dilated cardiomyopathy and atrial fibrillation
Absence of myocardial fibrosis on late gadolinium enhanced (LGE) magnetic resonance imaging (MRI) is associated with improvement of left ventricular systolic function after catheter ablation (CA) for atrial fibrillation (AF) with non-ischemic dilated cardiomyopathy (NIDCM). Extracellular volume frac...
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| Veröffentlicht in: | The International Journal of Cardiovascular Imaging 2021-08, Vol.37 (8), p.2535-2543 |
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| creator | Azuma, Mai Kato, Shingo Sekii, Ryusuke Kodama, Sho Kinoshita, Kei Suzurikawa, Keisuke Kagimoto, Minako Nakayama, Naoki Iguchi, Kohei Fukui, Kazuki Iwasawa, Tae Utsunomiya, Daisuke Kimura, Kazuo Tamura, Kouichi |
| description | Absence of myocardial fibrosis on late gadolinium enhanced (LGE) magnetic resonance imaging (MRI) is associated with improvement of left ventricular systolic function after catheter ablation (CA) for atrial fibrillation (AF) with non-ischemic dilated cardiomyopathy (NIDCM). Extracellular volume fraction (ECV) by T1 mapping has emerges as a non-invasive mean to quantify severity of myocardial fibrosis. The aim of this study was to assess the incremental value of ECV over LGE-MRI for the improvement of LVEF(∆EF) after CA in NIDCM patients. A total of thirty-two patients with NIDCM and AF (mean age 67.4 ± 9.3 years; 29 (91%) male) were retrospectively studied. Using a 1.5 T MR scanner and 32 channel cardiac coils, LGE-MRI, pre- and post-T1 mapping images of LV wall at mid-ventricular level (modified look-locker inversion recovery sequence) were acquired. All patients successfully underwent CA for AF, and the improvement of LVEF after CA were evaluated by echocardiography. All patients restored sinus rhythm after CA at the time of echocardiography. The mean LVEF was 35.1 ± 9.7% before CA and 52.2 ± 10.2% after CA (p 10% was substantially higher than that of %LGE alone (AUC: 0.830 vs 0.602). In NIDCM patients with AF, ECV had incremental value over %LGE for predicting improvement of EF by CA, suggesting that the assessment of diffuse interstitial fibrosis may be important to forecast the response of CA. |
| doi_str_mv | 10.1007/s10554-021-02219-x |
| format | Article |
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Extracellular volume fraction (ECV) by T1 mapping has emerges as a non-invasive mean to quantify severity of myocardial fibrosis. The aim of this study was to assess the incremental value of ECV over LGE-MRI for the improvement of LVEF(∆EF) after CA in NIDCM patients. A total of thirty-two patients with NIDCM and AF (mean age 67.4 ± 9.3 years; 29 (91%) male) were retrospectively studied. Using a 1.5 T MR scanner and 32 channel cardiac coils, LGE-MRI, pre- and post-T1 mapping images of LV wall at mid-ventricular level (modified look-locker inversion recovery sequence) were acquired. All patients successfully underwent CA for AF, and the improvement of LVEF after CA were evaluated by echocardiography. All patients restored sinus rhythm after CA at the time of echocardiography. The mean LVEF was 35.1 ± 9.7% before CA and 52.2 ± 10.2% after CA (p < 0.001), resulting an increase of 17.4 ± 12.6%. Significant correlation was found between ∆LVEF and % LGE (r = − 0.49, p = 0.004), ∆LVEF and extracellular volume fraction (ECV) (r = − 0.47, p = 0.010). Area under the receiver operating characteristics curve (AUC) of combination of %LGE and ECV for predicting improvement of LVEF > 10% was substantially higher than that of %LGE alone (AUC: 0.830 vs 0.602). In NIDCM patients with AF, ECV had incremental value over %LGE for predicting improvement of EF by CA, suggesting that the assessment of diffuse interstitial fibrosis may be important to forecast the response of CA.</description><identifier>ISSN: 1569-5794</identifier><identifier>EISSN: 1573-0743</identifier><identifier>EISSN: 1875-8312</identifier><identifier>DOI: 10.1007/s10554-021-02219-x</identifier><identifier>PMID: 33725266</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Ablation ; Cardiac arrhythmia ; Cardiac Imaging ; Cardiology ; Cardiomyopathy ; Catheters ; Dilated cardiomyopathy ; Echocardiography ; Fibrillation ; Fibrosis ; Gadolinium ; Heart ; Imaging ; Ischemia ; Magnetic resonance imaging ; Mapping ; Medical instruments ; Medicine ; Medicine & Public Health ; Original Paper ; Radiofrequency ablation ; Radiology ; Ventricle</subject><ispartof>The International Journal of Cardiovascular Imaging, 2021-08, Vol.37 (8), p.2535-2543</ispartof><rights>The Author(s), under exclusive licence to Springer Nature B.V. 2021</rights><rights>The Author(s), under exclusive licence to Springer Nature B.V. 2021.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c375t-5f90ac197f030ae5427109dd121a70c8f553f605ad6c580b6bfc9b67c873e7a83</citedby><cites>FETCH-LOGICAL-c375t-5f90ac197f030ae5427109dd121a70c8f553f605ad6c580b6bfc9b67c873e7a83</cites><orcidid>0000-0002-7545-0669</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10554-021-02219-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10554-021-02219-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33725266$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Azuma, Mai</creatorcontrib><creatorcontrib>Kato, Shingo</creatorcontrib><creatorcontrib>Sekii, Ryusuke</creatorcontrib><creatorcontrib>Kodama, Sho</creatorcontrib><creatorcontrib>Kinoshita, Kei</creatorcontrib><creatorcontrib>Suzurikawa, Keisuke</creatorcontrib><creatorcontrib>Kagimoto, Minako</creatorcontrib><creatorcontrib>Nakayama, Naoki</creatorcontrib><creatorcontrib>Iguchi, Kohei</creatorcontrib><creatorcontrib>Fukui, Kazuki</creatorcontrib><creatorcontrib>Iwasawa, Tae</creatorcontrib><creatorcontrib>Utsunomiya, Daisuke</creatorcontrib><creatorcontrib>Kimura, Kazuo</creatorcontrib><creatorcontrib>Tamura, Kouichi</creatorcontrib><title>Extracellular volume fraction by T1 mapping predicts improvement of left ventricular ejection fraction after catheter ablation in patients with non-ischemic dilated cardiomyopathy and atrial fibrillation</title><title>The International Journal of Cardiovascular Imaging</title><addtitle>Int J Cardiovasc Imaging</addtitle><addtitle>Int J Cardiovasc Imaging</addtitle><description>Absence of myocardial fibrosis on late gadolinium enhanced (LGE) magnetic resonance imaging (MRI) is associated with improvement of left ventricular systolic function after catheter ablation (CA) for atrial fibrillation (AF) with non-ischemic dilated cardiomyopathy (NIDCM). Extracellular volume fraction (ECV) by T1 mapping has emerges as a non-invasive mean to quantify severity of myocardial fibrosis. The aim of this study was to assess the incremental value of ECV over LGE-MRI for the improvement of LVEF(∆EF) after CA in NIDCM patients. A total of thirty-two patients with NIDCM and AF (mean age 67.4 ± 9.3 years; 29 (91%) male) were retrospectively studied. Using a 1.5 T MR scanner and 32 channel cardiac coils, LGE-MRI, pre- and post-T1 mapping images of LV wall at mid-ventricular level (modified look-locker inversion recovery sequence) were acquired. All patients successfully underwent CA for AF, and the improvement of LVEF after CA were evaluated by echocardiography. All patients restored sinus rhythm after CA at the time of echocardiography. The mean LVEF was 35.1 ± 9.7% before CA and 52.2 ± 10.2% after CA (p < 0.001), resulting an increase of 17.4 ± 12.6%. Significant correlation was found between ∆LVEF and % LGE (r = − 0.49, p = 0.004), ∆LVEF and extracellular volume fraction (ECV) (r = − 0.47, p = 0.010). Area under the receiver operating characteristics curve (AUC) of combination of %LGE and ECV for predicting improvement of LVEF > 10% was substantially higher than that of %LGE alone (AUC: 0.830 vs 0.602). In NIDCM patients with AF, ECV had incremental value over %LGE for predicting improvement of EF by CA, suggesting that the assessment of diffuse interstitial fibrosis may be important to forecast the response of CA.</description><subject>Ablation</subject><subject>Cardiac arrhythmia</subject><subject>Cardiac Imaging</subject><subject>Cardiology</subject><subject>Cardiomyopathy</subject><subject>Catheters</subject><subject>Dilated cardiomyopathy</subject><subject>Echocardiography</subject><subject>Fibrillation</subject><subject>Fibrosis</subject><subject>Gadolinium</subject><subject>Heart</subject><subject>Imaging</subject><subject>Ischemia</subject><subject>Magnetic resonance imaging</subject><subject>Mapping</subject><subject>Medical instruments</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Original Paper</subject><subject>Radiofrequency ablation</subject><subject>Radiology</subject><subject>Ventricle</subject><issn>1569-5794</issn><issn>1573-0743</issn><issn>1875-8312</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kc1u1DAUhSMEoqXwAiyQJTZsAv6J7ckSVeVHqsSmrCPHue54lNjBdoaZZ-SluDMpRWLBwvK1_Z1zr3yq6jWj7xml-kNmVMqmppzh4qytD0-qSya1qKluxNNTrdpa6ra5qF7kvKOUcsrF8-pCCM0lV-qy-nVzKMlYGMdlNIns47hMQBxeFR8D6Y_kjpHJzLMP92ROMHhbMvHTnOIeJgiFREdGcIXs8ZC8PdvADlb9o5FxBRKxpmzhVJh-NOd7H8iMFWoz-enLloQYap_tFiZvyeARgwF1afBxOkZkt0diwkAMNjMjcb5PflzNXlbPnBkzvHrYr6rvn27urr_Ut98-f73-eFtboWWppWupsazVjgpqQDZcM9oOA-PMaGo3TkrhFJVmUFZuaK96Z9teabvRArTZiKvq3eqLn_BjgVy6CSfGLzQB4pI7Lk9xUGyG6Nt_0F1cUsDpkJJN0yqlToZ8pWyKOSdw3Zz8ZNKxY7Q7Rd2tUXcYdXeOujug6M2D9dJPMDxK_mSLgFiBjE_hHtLf3v-x_Q0sMLqC</recordid><startdate>20210801</startdate><enddate>20210801</enddate><creator>Azuma, Mai</creator><creator>Kato, Shingo</creator><creator>Sekii, Ryusuke</creator><creator>Kodama, Sho</creator><creator>Kinoshita, Kei</creator><creator>Suzurikawa, Keisuke</creator><creator>Kagimoto, Minako</creator><creator>Nakayama, Naoki</creator><creator>Iguchi, Kohei</creator><creator>Fukui, Kazuki</creator><creator>Iwasawa, Tae</creator><creator>Utsunomiya, Daisuke</creator><creator>Kimura, Kazuo</creator><creator>Tamura, Kouichi</creator><general>Springer Netherlands</general><general>Springer Nature B.V</general><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>7X8</scope><orcidid>https://orcid.org/0000-0002-7545-0669</orcidid></search><sort><creationdate>20210801</creationdate><title>Extracellular volume fraction by T1 mapping predicts improvement of left ventricular ejection fraction after catheter ablation in patients with non-ischemic dilated cardiomyopathy and atrial fibrillation</title><author>Azuma, Mai ; Kato, Shingo ; Sekii, Ryusuke ; Kodama, Sho ; Kinoshita, Kei ; Suzurikawa, Keisuke ; Kagimoto, Minako ; Nakayama, Naoki ; Iguchi, Kohei ; Fukui, Kazuki ; Iwasawa, Tae ; Utsunomiya, Daisuke ; Kimura, Kazuo ; Tamura, Kouichi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c375t-5f90ac197f030ae5427109dd121a70c8f553f605ad6c580b6bfc9b67c873e7a83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Ablation</topic><topic>Cardiac arrhythmia</topic><topic>Cardiac Imaging</topic><topic>Cardiology</topic><topic>Cardiomyopathy</topic><topic>Catheters</topic><topic>Dilated cardiomyopathy</topic><topic>Echocardiography</topic><topic>Fibrillation</topic><topic>Fibrosis</topic><topic>Gadolinium</topic><topic>Heart</topic><topic>Imaging</topic><topic>Ischemia</topic><topic>Magnetic resonance imaging</topic><topic>Mapping</topic><topic>Medical instruments</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Original Paper</topic><topic>Radiofrequency ablation</topic><topic>Radiology</topic><topic>Ventricle</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Azuma, Mai</creatorcontrib><creatorcontrib>Kato, Shingo</creatorcontrib><creatorcontrib>Sekii, Ryusuke</creatorcontrib><creatorcontrib>Kodama, Sho</creatorcontrib><creatorcontrib>Kinoshita, Kei</creatorcontrib><creatorcontrib>Suzurikawa, Keisuke</creatorcontrib><creatorcontrib>Kagimoto, Minako</creatorcontrib><creatorcontrib>Nakayama, Naoki</creatorcontrib><creatorcontrib>Iguchi, Kohei</creatorcontrib><creatorcontrib>Fukui, Kazuki</creatorcontrib><creatorcontrib>Iwasawa, Tae</creatorcontrib><creatorcontrib>Utsunomiya, Daisuke</creatorcontrib><creatorcontrib>Kimura, Kazuo</creatorcontrib><creatorcontrib>Tamura, Kouichi</creatorcontrib><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>MEDLINE - Academic</collection><jtitle>The International Journal of Cardiovascular Imaging</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Azuma, Mai</au><au>Kato, Shingo</au><au>Sekii, Ryusuke</au><au>Kodama, Sho</au><au>Kinoshita, Kei</au><au>Suzurikawa, Keisuke</au><au>Kagimoto, Minako</au><au>Nakayama, Naoki</au><au>Iguchi, Kohei</au><au>Fukui, Kazuki</au><au>Iwasawa, Tae</au><au>Utsunomiya, Daisuke</au><au>Kimura, Kazuo</au><au>Tamura, Kouichi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Extracellular volume fraction by T1 mapping predicts improvement of left ventricular ejection fraction after catheter ablation in patients with non-ischemic dilated cardiomyopathy and atrial fibrillation</atitle><jtitle>The International Journal of Cardiovascular Imaging</jtitle><stitle>Int J Cardiovasc Imaging</stitle><addtitle>Int J Cardiovasc Imaging</addtitle><date>2021-08-01</date><risdate>2021</risdate><volume>37</volume><issue>8</issue><spage>2535</spage><epage>2543</epage><pages>2535-2543</pages><issn>1569-5794</issn><eissn>1573-0743</eissn><eissn>1875-8312</eissn><abstract>Absence of myocardial fibrosis on late gadolinium enhanced (LGE) magnetic resonance imaging (MRI) is associated with improvement of left ventricular systolic function after catheter ablation (CA) for atrial fibrillation (AF) with non-ischemic dilated cardiomyopathy (NIDCM). Extracellular volume fraction (ECV) by T1 mapping has emerges as a non-invasive mean to quantify severity of myocardial fibrosis. The aim of this study was to assess the incremental value of ECV over LGE-MRI for the improvement of LVEF(∆EF) after CA in NIDCM patients. A total of thirty-two patients with NIDCM and AF (mean age 67.4 ± 9.3 years; 29 (91%) male) were retrospectively studied. Using a 1.5 T MR scanner and 32 channel cardiac coils, LGE-MRI, pre- and post-T1 mapping images of LV wall at mid-ventricular level (modified look-locker inversion recovery sequence) were acquired. All patients successfully underwent CA for AF, and the improvement of LVEF after CA were evaluated by echocardiography. All patients restored sinus rhythm after CA at the time of echocardiography. The mean LVEF was 35.1 ± 9.7% before CA and 52.2 ± 10.2% after CA (p < 0.001), resulting an increase of 17.4 ± 12.6%. Significant correlation was found between ∆LVEF and % LGE (r = − 0.49, p = 0.004), ∆LVEF and extracellular volume fraction (ECV) (r = − 0.47, p = 0.010). Area under the receiver operating characteristics curve (AUC) of combination of %LGE and ECV for predicting improvement of LVEF > 10% was substantially higher than that of %LGE alone (AUC: 0.830 vs 0.602). In NIDCM patients with AF, ECV had incremental value over %LGE for predicting improvement of EF by CA, suggesting that the assessment of diffuse interstitial fibrosis may be important to forecast the response of CA.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><pmid>33725266</pmid><doi>10.1007/s10554-021-02219-x</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-7545-0669</orcidid></addata></record> |
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| subjects | Ablation Cardiac arrhythmia Cardiac Imaging Cardiology Cardiomyopathy Catheters Dilated cardiomyopathy Echocardiography Fibrillation Fibrosis Gadolinium Heart Imaging Ischemia Magnetic resonance imaging Mapping Medical instruments Medicine Medicine & Public Health Original Paper Radiofrequency ablation Radiology Ventricle |
| title | Extracellular volume fraction by T1 mapping predicts improvement of left ventricular ejection fraction after catheter ablation in patients with non-ischemic dilated cardiomyopathy and atrial fibrillation |
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