Magnetocardiography: Supraventricular arrhythmias and preexcitation syndromes
Identifieur interne : 000A95 ( Main/Corpus ); précédent : 000A94; suivant : 000A96Magnetocardiography: Supraventricular arrhythmias and preexcitation syndromes
Auteurs : M. M Kij Rvi ; J. Nenonen ; L. Toivonen ; J. Montonen ; T. Katila ; P. SiltanenSource :
- European Heart Journal [ 0195-668X ] ; 1993-09.
Abstract
Magnetocardiography is an elegant non-invasive method with which to study the electrical activity of the heart. The localization of cardiac electric sources, such as arrhythmia foci, would, in particular, be an interesting clinical application. In addition the detection of different abnormalities that could lead to cardiac depolarization and repolarization gives insight into how cardiac arrhythmias and arrhythmia mechanisms are generated. We have studied patients with supraventricular arrhythmias, especially those suffering from the Wolff–Parkinson–White (WPW) syndrome. Magnetocardiographic localization of the preexcitation site was performed in 26 WPW patients, with an average accuracy of 2±1 cm in comparison to the results obtained by invasive catheter mapping. By inspection of spatial isofield maps during atrial depolarization, the risk of atrial fibrillation was classified correctly in 11/20 (55%) patients with documented atrial fibrillation, and in 4/6 (67%) patients without atrial fibrillation. In a case of focal atrial tachycardia, magnetocardiographic localization of the origin of the arrhythmia was performed during tachycardia. In addition, the level of conduction block was successfully determined in six patients with third-degree congenital atrioventricular block.
Url:
DOI: 10.1093/eurheartj/14.suppl_E.46
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Toivonen</name><affiliation><mods:affiliation>Helsinki University Central Hospital, First Department of Medicine, Cardiovascular Laboratory, 00290 Helsinki, Finland, 02150 Espoo, Finland</mods:affiliation></affiliation></author><author><name sortKey="Montonen, J" sort="Montonen, J" uniqKey="Montonen J" first="J." last="Montonen">J. Montonen</name><affiliation><mods:affiliation></mods:affiliation></affiliation></author><author><name sortKey="Katila, T" sort="Katila, T" uniqKey="Katila T" first="T." last="Katila">T. Katila</name><affiliation><mods:affiliation></mods:affiliation></affiliation></author><author><name sortKey="Siltanen, P" sort="Siltanen, P" uniqKey="Siltanen P" first="P." last="Siltanen">P. 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M Kij Rvi</name><affiliation><mods:affiliation>Helsinki University Central Hospital, First Department of Medicine, Cardiovascular Laboratory, 00290 Helsinki, Finland, 02150 Espoo, Finland</mods:affiliation></affiliation></author><author><name sortKey="Nenonen, J" sort="Nenonen, J" uniqKey="Nenonen J" first="J." last="Nenonen">J. Nenonen</name><affiliation><mods:affiliation></mods:affiliation></affiliation></author><author><name sortKey="Toivonen, L" sort="Toivonen, L" uniqKey="Toivonen L" first="L." last="Toivonen">L. Toivonen</name><affiliation><mods:affiliation>Helsinki University Central Hospital, First Department of Medicine, Cardiovascular Laboratory, 00290 Helsinki, Finland, 02150 Espoo, Finland</mods:affiliation></affiliation></author><author><name sortKey="Montonen, J" sort="Montonen, J" uniqKey="Montonen J" first="J." last="Montonen">J. Montonen</name><affiliation><mods:affiliation></mods:affiliation></affiliation></author><author><name sortKey="Katila, T" sort="Katila, T" uniqKey="Katila T" first="T." last="Katila">T. Katila</name><affiliation><mods:affiliation></mods:affiliation></affiliation></author><author><name sortKey="Siltanen, P" sort="Siltanen, P" uniqKey="Siltanen P" first="P." last="Siltanen">P. Siltanen</name><affiliation><mods:affiliation>Helsinki University Central Hospital, First Department of Medicine, Cardiovascular Laboratory, 00290 Helsinki, Finland, 02150 Espoo, Finland</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">European Heart Journal</title><idno type="ISSN">0195-668X</idno><idno type="eISSN">1522-9645</idno><imprint><publisher>Oxford University Press</publisher><date type="published" when="1993-09">1993-09</date><biblScope unit="volume">14</biblScope><biblScope unit="supplement">suppl_E</biblScope><biblScope unit="page" from="46">46</biblScope><biblScope unit="page" to="52">52</biblScope></imprint><idno type="ISSN">0195-668X</idno></series><idno type="istex">DA3BD5CD114E76C8A59A3F2E75E64A8D21B24E25</idno><idno type="DOI">10.1093/eurheartj/14.suppl_E.46</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0195-668X</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">Magnetocardiography is an elegant non-invasive method with which to study the electrical activity of the heart. The localization of cardiac electric sources, such as arrhythmia foci, would, in particular, be an interesting clinical application. In addition the detection of different abnormalities that could lead to cardiac depolarization and repolarization gives insight into how cardiac arrhythmias and arrhythmia mechanisms are generated. We have studied patients with supraventricular arrhythmias, especially those suffering from the Wolff–Parkinson–White (WPW) syndrome. Magnetocardiographic localization of the preexcitation site was performed in 26 WPW patients, with an average accuracy of 2±1 cm in comparison to the results obtained by invasive catheter mapping. By inspection of spatial isofield maps during atrial depolarization, the risk of atrial fibrillation was classified correctly in 11/20 (55%) patients with documented atrial fibrillation, and in 4/6 (67%) patients without atrial fibrillation. In a case of focal atrial tachycardia, magnetocardiographic localization of the origin of the arrhythmia was performed during tachycardia. In addition, the level of conduction block was successfully determined in six patients with third-degree congenital atrioventricular block.</div></front></TEI><istex><corpusName>oup</corpusName><author><json:item><name>M. Mäkijärvi</name><affiliations><json:string>Helsinki University Central Hospital, First Department of Medicine, Cardiovascular Laboratory, 00290 Helsinki, Finland, 02150 Espoo, Finland</json:string><json:string>Correspondence: Markku Mäkijärvi. First Department of Medicine, Cardiovascular Laboratory, Helsinki University Central Hospital, Haartmaninkatu 4. SF-00290 Helsinki, Finland.</json:string></affiliations></json:item><json:item><name>J. Nenonen</name><affiliations><json:string>Helsinki University of Technology, Department of Technical Physics, Laboratory of Biomedical Engineering 02150 Espoo, Finland</json:string></affiliations></json:item><json:item><name>L. Toivonen</name><affiliations><json:string>Helsinki University Central Hospital, First Department of Medicine, Cardiovascular Laboratory, 00290 Helsinki, Finland, 02150 Espoo, Finland</json:string></affiliations></json:item><json:item><name>J. Montonen</name><affiliations><json:string>Helsinki University of Technology, Department of Technical Physics, Laboratory of Biomedical Engineering 02150 Espoo, Finland</json:string></affiliations></json:item><json:item><name>T. Katila</name><affiliations><json:string>Helsinki University of Technology, Department of Technical Physics, Laboratory of Biomedical Engineering 02150 Espoo, Finland</json:string></affiliations></json:item><json:item><name>P. 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First Department of Medicine, Cardiovascular Laboratory, Helsinki University Central Hospital, Haartmaninkatu 4. SF-00290 Helsinki, Finland.</corresp></author-notes><pub-date pub-type="ppub"><month>9</month><year>1993</year></pub-date><volume>14</volume><issue>suppl_E</issue><fpage>46</fpage><lpage>52</lpage><copyright-statement>© 1993 The European Society of Cardiology</copyright-statement><copyright-year>1993</copyright-year><abstract><p>Magnetocardiography is an elegant non-invasive method with which to study the electrical activity of the heart. The localization of cardiac electric sources, such as arrhythmia foci, would, in particular, be an interesting clinical application. In addition the detection of different abnormalities that could lead to cardiac depolarization and repolarization gives insight into how cardiac arrhythmias and arrhythmia mechanisms are generated.</p><p>We have studied patients with supraventricular arrhythmias, especially those suffering from the Wolff–Parkinson–White (WPW) syndrome. Magnetocardiographic localization of the preexcitation site was performed in 26 WPW patients, with an average accuracy of 2±1 cm in comparison to the results obtained by invasive catheter mapping. By inspection of spatial isofield maps during atrial depolarization, the risk of atrial fibrillation was classified correctly in 11/20 (55%) patients with documented atrial fibrillation, and in 4/6 (67%) patients without atrial fibrillation. In a case of focal atrial tachycardia, magnetocardiographic localization of the origin of the arrhythmia was performed during tachycardia. In addition, the level of conduction block was successfully determined in six patients with third-degree congenital atrioventricular block.</p></abstract><kwd-group><kwd>Magnetocardiography</kwd><kwd>preexcitation syndrome</kwd><kwd>supraventricular tachycardia</kwd><kwd>non-invasive localization</kwd></kwd-group></article-meta></front></article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo><title>Magnetocardiography: Supraventricular arrhythmias and preexcitation syndromes</title></titleInfo><titleInfo type="alternative" contentType="CDATA"><title>Magnetocardiography: Supraventricular arrhythmias and preexcitation syndromes</title></titleInfo><name type="personal"><namePart type="given">M.</namePart><namePart type="family">Mäkijärvi</namePart><affiliation>Helsinki University Central Hospital, First Department of Medicine, Cardiovascular Laboratory, 00290 Helsinki, Finland, 02150 Espoo, Finland</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">J.</namePart><namePart type="family">Nenonen</namePart><affiliation></affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">L.</namePart><namePart type="family">Toivonen</namePart><affiliation>Helsinki University Central Hospital, First Department of Medicine, Cardiovascular Laboratory, 00290 Helsinki, Finland, 02150 Espoo, Finland</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">J.</namePart><namePart type="family">Montonen</namePart><affiliation></affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">T.</namePart><namePart type="family">Katila</namePart><affiliation></affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">P.</namePart><namePart type="family">Siltanen</namePart><affiliation>Helsinki University Central Hospital, First Department of Medicine, Cardiovascular Laboratory, 00290 Helsinki, Finland, 02150 Espoo, Finland</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="research-article"></genre><subject><topic>Articles</topic></subject><originInfo><publisher>Oxford University Press</publisher><dateIssued encoding="w3cdtf">1993-09</dateIssued><copyrightDate encoding="w3cdtf">1993</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract>Magnetocardiography is an elegant non-invasive method with which to study the electrical activity of the heart. The localization of cardiac electric sources, such as arrhythmia foci, would, in particular, be an interesting clinical application. In addition the detection of different abnormalities that could lead to cardiac depolarization and repolarization gives insight into how cardiac arrhythmias and arrhythmia mechanisms are generated. We have studied patients with supraventricular arrhythmias, especially those suffering from the Wolff–Parkinson–White (WPW) syndrome. Magnetocardiographic localization of the preexcitation site was performed in 26 WPW patients, with an average accuracy of 2±1 cm in comparison to the results obtained by invasive catheter mapping. By inspection of spatial isofield maps during atrial depolarization, the risk of atrial fibrillation was classified correctly in 11/20 (55%) patients with documented atrial fibrillation, and in 4/6 (67%) patients without atrial fibrillation. 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SF-00290 Helsinki, Finland.</note><subject><genre>Keywords</genre><topic>Magnetocardiography</topic><topic>preexcitation syndrome</topic><topic>supraventricular tachycardia</topic><topic>non-invasive localization</topic></subject><relatedItem type="host"><titleInfo><title>European Heart Journal</title></titleInfo><genre type="Journal">journal</genre><identifier type="ISSN">0195-668X</identifier><identifier type="eISSN">1522-9645</identifier><identifier type="PublisherID">eurheartj</identifier><identifier type="PublisherID-hwp">ehj</identifier><part><date>1993</date><detail type="volume"><caption>vol.</caption><number>14</number></detail><detail type="supplement"><number>suppl_E</number></detail><extent unit="pages"><start>46</start><end>52</end></extent></part></relatedItem><identifier type="istex">DA3BD5CD114E76C8A59A3F2E75E64A8D21B24E25</identifier><identifier type="DOI">10.1093/eurheartj/14.suppl_E.46</identifier><accessCondition type="use and reproduction" contentType="copyright">© 1993 The European Society of Cardiology</accessCondition><recordInfo><recordContentSource>OUP</recordContentSource></recordInfo></mods></metadata><annexes><json:item><original>true</original><mimetype>application/pdf</mimetype><extension>pdf</extension><uri>https://api.istex.fr/document/DA3BD5CD114E76C8A59A3F2E75E64A8D21B24E25/annexes/pdf</uri></json:item></annexes><enrichments><istex:catWosTEI uri="https://api.istex.fr/document/DA3BD5CD114E76C8A59A3F2E75E64A8D21B24E25/enrichments/catWos"><teiHeader><profileDesc><textClass><classCode scheme="WOS">CARDIAC & CARDIOVASCULAR SYSTEMS</classCode></textClass></profileDesc></teiHeader></istex:catWosTEI></enrichments><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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