{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,23]],"date-time":"2026-02-23T22:19:34Z","timestamp":1771885174193,"version":"3.50.1"},"reference-count":18,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"10","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["JAHA"],"published-print":{"date-parts":[[2015,10,27]]},"abstract":"<jats:sec xml:lang=\"en\">\n            <jats:title>Background<\/jats:title>\n            <jats:p xml:lang=\"en\">\n              Inverse potential mapping (\n              <jats:styled-content style=\"fixed-case\">IPM<\/jats:styled-content>\n              ) noninvasively reconstructs cardiac surface potentials using body surface potentials. This requires a volume conductor model (\n              <jats:styled-content style=\"fixed-case\">VCM<\/jats:styled-content>\n              ), usually constructed from computed tomography; however, computed tomography exposes the patient to harmful radiation and lacks information about tissue structure. Magnetic resonance imaging (\n              <jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content>\n              ) is not associated with this limitation and might have advantages for mapping purposes. This feasibility study investigated a magnetic resonance imaging\u2013based\n              <jats:styled-content style=\"fixed-case\">IPM<\/jats:styled-content>\n              approach. In addition, the impact of incorporating the lungs and their particular resistivity values was explored.\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec xml:lang=\"en\">\n            <jats:title>Methods and Results<\/jats:title>\n            <jats:p xml:lang=\"en\">\n              Three volunteers and 8 patients with premature ventricular contractions scheduled for ablation underwent 65\u2010electrode body surface potential mapping. A\n              <jats:styled-content style=\"fixed-case\">VCM<\/jats:styled-content>\n              was created using magnetic resonance imaging. Cardiac surface potentials were estimated from body surface potentials and used to determine the origin of electrical activation. The\n              <jats:styled-content style=\"fixed-case\">IPM<\/jats:styled-content>\n              \u2010defined origin of sinus rhythm corresponded well with the anatomic position of the sinus node, as described in the literature. In patients, the\n              <jats:styled-content style=\"fixed-case\">IPM<\/jats:styled-content>\n              \u2010derived premature ventricular contraction focus was 3\u2010dimensionally located within 8.3\u00b12.7\u00a0mm of the invasively determined focus using electroanatomic mapping. The impact of lungs on the\n              <jats:styled-content style=\"fixed-case\">IPM<\/jats:styled-content>\n              was investigated using homogeneous and inhomogeneous\n              <jats:styled-content style=\"fixed-case\">VCM<\/jats:styled-content>\n              s. The inhomogeneous\n              <jats:styled-content style=\"fixed-case\">VCM<\/jats:styled-content>\n              , incorporating lung\u2010specific conductivity, provided more accurate results compared with the homogeneous\n              <jats:styled-content style=\"fixed-case\">VCM<\/jats:styled-content>\n              (8.3\u00b12.7\u00a0and 10.3\u00b13.1\u00a0mm, respectively;\n              <jats:italic>P<\/jats:italic>\n              =0.043). The interobserver agreement was high for homogeneous (intraclass correlation coefficient 0.862,\n              <jats:italic>P<\/jats:italic>\n              =0.003) and inhomogeneous (intraclass correlation coefficient 0.812,\n              <jats:italic>P<\/jats:italic>\n              =0.004)\n              <jats:styled-content style=\"fixed-case\">VCMs<\/jats:styled-content>\n              .\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec xml:lang=\"en\">\n            <jats:title>Conclusion<\/jats:title>\n            <jats:p xml:lang=\"en\">Magnetic resonance imaging\u2013based whole\u2010heart IPM enables accurate spatial localization of sinus rhythm and premature ventricular contractions comparable to electroanatomic mapping. An inhomogeneous VCM improved IPM accuracy.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1161\/jaha.115.002222","type":"journal-article","created":{"date-parts":[[2015,10,15]],"date-time":"2015-10-15T02:59:37Z","timestamp":1444877977000},"update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":9,"title":["Feasibility and Accuracy of Cardiac Magnetic Resonance Imaging\u2013Based Whole\u2010Heart Inverse Potential Mapping of Sinus Rhythm and Idiopathic Ventricular Foci"],"prefix":"10.1161","volume":"4","author":[{"given":"Pranav","family":"Bhagirath","sequence":"first","affiliation":[{"name":"Department of Cardiology, Haga Teaching Hospital, The Hague, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maurits","family":"van der Graaf","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Haga Teaching Hospital, The Hague, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elise","family":"van Dongen","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Haga Teaching Hospital, The Hague, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jacques","family":"de Hooge","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Haga Teaching Hospital, The Hague, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vincent","family":"van Driel","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Haga Teaching Hospital, The Hague, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hemanth","family":"Ramanna","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Haga Teaching Hospital, The Hague, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Natasja","family":"de Groot","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Erasmus Medical Centre, Rotterdam, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marco J. W.","family":"G\u00f6tte","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Haga Teaching Hospital, The Hague, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"276","reference":[{"key":"e_1_3_4_2_2","doi-asserted-by":"publisher","DOI":"10.1038\/nm1011"},{"key":"e_1_3_4_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.hrthm.2014.01.013"},{"key":"e_1_3_4_4_2","doi-asserted-by":"publisher","DOI":"10.1093\/europace\/euu282"},{"key":"e_1_3_4_5_2","first-page":"599","article-title":"CardioPulse. Radiation in cardiology: can't live without it!: using appropriate shielding, keeping a distance as safely as possible and reducing radiation time are essential principles for radiation reduction","volume":"35","author":"Roguin A","year":"2014","unstructured":"Roguin A. CardioPulse. Radiation in cardiology: can't live without it!: using appropriate shielding, keeping a distance as safely as possible and reducing radiation time are essential principles for radiation reduction. Eur Heart J. 2014;35:599\u2013600.","journal-title":"Eur Heart J"},{"key":"e_1_3_4_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jelectrocard.2013.08.005"},{"key":"e_1_3_4_7_2","doi-asserted-by":"publisher","DOI":"10.1148\/radiol.13131331"},{"key":"e_1_3_4_8_2","doi-asserted-by":"publisher","DOI":"10.1093\/europace\/euu339"},{"key":"e_1_3_4_9_2","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCEP.114.001573"},{"key":"e_1_3_4_10_2","doi-asserted-by":"publisher","DOI":"10.1002\/cnm.2549"},{"key":"e_1_3_4_11_2","doi-asserted-by":"publisher","DOI":"10.1054\/jelc.2002.37158"},{"key":"e_1_3_4_12_2","doi-asserted-by":"publisher","DOI":"10.1136\/hrt.2003.031542"},{"key":"e_1_3_4_13_2","doi-asserted-by":"publisher","DOI":"10.1161\/01.RES.52.6.706"},{"key":"e_1_3_4_14_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.1540-8167.2001.00229.x"},{"key":"e_1_3_4_15_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.1540-8167.2001.00241.x"},{"key":"e_1_3_4_16_2","doi-asserted-by":"publisher","DOI":"10.1093\/europace\/euu268"},{"key":"e_1_3_4_17_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.hrthm.2012.02.018"},{"key":"e_1_3_4_18_2","doi-asserted-by":"publisher","DOI":"10.1152\/ajpheart.00610.2004"},{"key":"e_1_3_4_19_2","doi-asserted-by":"publisher","DOI":"10.1161\/01.RES.46.5.703"}],"container-title":["Journal of the American Heart Association"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.ahajournals.org\/doi\/full\/10.1161\/JAHA.115.002222","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,5,13]],"date-time":"2024-05-13T10:14:22Z","timestamp":1715595262000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.ahajournals.org\/doi\/10.1161\/JAHA.115.002222"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2015,10,27]]},"references-count":18,"journal-issue":{"issue":"10","published-print":{"date-parts":[[2015,10,27]]}},"alternative-id":["10.1161\/JAHA.115.002222"],"URL":"https:\/\/doi.org\/10.1161\/jaha.115.002222","relation":{},"ISSN":["2047-9980"],"issn-type":[{"value":"2047-9980","type":"electronic"}],"subject":[],"published":{"date-parts":[[2015,10,27]]},"assertion":[{"value":"2015-06-29","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2015-08-12","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2015-10-14","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}],"article-number":"e002222"}}