QRST time integral values in 12-lead electrocardiograms before and after radiofrequency catheter ablation in patients with Wolff-Parkinson-White syndrome
Identifieur interne : 002290 ( Main/Exploration ); précédent : 002289; suivant : 002291QRST time integral values in 12-lead electrocardiograms before and after radiofrequency catheter ablation in patients with Wolff-Parkinson-White syndrome
Auteurs : Tetsuo Yanagawa [Japon] ; Makoto Hirai [Japon] ; Hiroshi Hayashi [Japon] ; Hiroaki Sano [Japon] ; Yasushi Tomita [Japon] ; Yasuya Inden [Japon] ; Hidehiko Saito [Japon]Source :
- Journal of the American College of Cardiology [ 0735-1097 ] ; 1995.
Abstract
Objectives. We investigated the usefulness of QRST values obtained from 12-lead electrocardiograms (ECGs) for identification of repolarization abnormalities before and after radiofrequency ablation in patients with Wolff-Parkinson-White syndrome.Background. Marked T wave abnormalities often appear after ablation and have been attributed to a continuation of repolarization abnormalities present before ablation (cardiac memory). However, to our knowledge repolarization properties before and after ablation have not been assessed quantitatively.Methods. We calculated the ECG QRST values from 53 patients with Wolff-Parkinson-White syndrome and compared these values before, immediately after and 1 day and 1 week after successful ablation in 25 patients.Results. QRST values were abnormally high in lead V1 in 7 of 28 patients with a left-sided accessory pathway and abnormally low in leads III and aVF and high in lead aVL in 12, 9 and 10 of 20 patients, respectively, with a right-sided accessory pathway. Preexisting QRST abnormalities were still present immediately and 1 day after ablation but were usually absent by 1 week after ablation. QRST values before, immediately after and 1 day after ablation were not significantly different in any lead. In 14 patients with ablation of a left-sided accessory pathway, QRST values before, immediately after and 1 day after ablation in lead V1 and immediately after ablation in leads I, aVR and V2 were significantly different from QRST values in those leads 1 week after ablation. In six patients with ablation of a right-sided accessory pathway, QRST values before, immediately after and 1 day after ablation in leads III, aVL and aVF and immediately after ablation in lead II were significantly different from QRST values in those leads 1 week after ablation.Conclusions. Electrocardiographic QRST values may provide useful quantitative information with respect to repolarization properties before and after ablation in patients with Wolff-Parkinson-White syndrome that is otherwise difficult to obtain by conventional ECG analysis.
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DOI: 10.1016/0735-1097(95)00094-K
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Yasuya" sort="Inden, Yasuya" uniqKey="Inden Y" first="Yasuya" last="Inden">Yasuya Inden</name></author><author><name sortKey="Saito, Hidehiko" sort="Saito, Hidehiko" uniqKey="Saito H" first="Hidehiko" last="Saito">Hidehiko Saito</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:AA6BB18159964E59B4CD2A838CE9224FB86897A7</idno><date when="1995" year="1995">1995</date><idno type="doi">10.1016/0735-1097(95)00094-K</idno><idno type="url">https://api.istex.fr/document/AA6BB18159964E59B4CD2A838CE9224FB86897A7/fulltext/pdf</idno><idno type="wicri:Area/Main/Corpus">000047</idno><idno type="wicri:Area/Main/Curation">000038</idno><idno type="wicri:Area/Main/Exploration">002290</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">QRST time integral values in 12-lead electrocardiograms before and after radiofrequency catheter ablation in patients with Wolff-Parkinson-White syndrome</title><author><name sortKey="Yanagawa, Tetsuo" sort="Yanagawa, Tetsuo" uniqKey="Yanagawa T" first="Tetsuo" last="Yanagawa">Tetsuo Yanagawa</name><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>From the Division of Cardiology, First Department of Internal Medicine, University of Nagoya School of Medicine, Nagoya</wicri:regionArea><wicri:noRegion>Nagoya</wicri:noRegion></affiliation></author><author><name sortKey="Hirai, Makoto" sort="Hirai, Makoto" uniqKey="Hirai M" first="Makoto" last="Hirai">Makoto Hirai</name><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>Address for correspondence: Dr. Makoto Hirai, Division of Cardiology, First Department of Internal Medicine, University of Nagoya School of Medicine, 65 Tsurumai, Showaku, Nagoya 466</wicri:regionArea><wicri:noRegion>Nagoya 466</wicri:noRegion></affiliation><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>From the Division of Cardiology, First Department of Internal Medicine, University of Nagoya School of Medicine, Nagoya</wicri:regionArea><wicri:noRegion>Nagoya</wicri:noRegion></affiliation></author><author><name sortKey="Hayashi, Hiroshi" sort="Hayashi, Hiroshi" uniqKey="Hayashi H" first="Hiroshi" last="Hayashi">Hiroshi Hayashi</name><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>From the Division of Cardiology, First Department of Internal Medicine, University of Nagoya School of Medicine, Nagoya</wicri:regionArea><wicri:noRegion>Nagoya</wicri:noRegion></affiliation></author><author><name sortKey="Sano, Hiroaki" sort="Sano, Hiroaki" uniqKey="Sano H" first="Hiroaki" last="Sano">Hiroaki Sano</name><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>From the Division of Cardiology, First Department of Internal Medicine, University of Nagoya School of Medicine, Nagoya</wicri:regionArea><wicri:noRegion>Nagoya</wicri:noRegion></affiliation></author><author><name sortKey="Tomita, Yasushi" sort="Tomita, Yasushi" uniqKey="Tomita Y" first="Yasushi" last="Tomita">Yasushi Tomita</name><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>From the Division of Cardiology, First Department of Internal Medicine, University of Nagoya School of Medicine, Nagoya</wicri:regionArea><wicri:noRegion>Nagoya</wicri:noRegion></affiliation></author><author><name sortKey="Inden, Yasuya" sort="Inden, Yasuya" uniqKey="Inden Y" first="Yasuya" last="Inden">Yasuya Inden</name><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>Division of Cardiology, Nagoya Daini Red Cross Hospital, Nagoya</wicri:regionArea><wicri:noRegion>Nagoya</wicri:noRegion></affiliation></author><author><name sortKey="Saito, Hidehiko" sort="Saito, Hidehiko" uniqKey="Saito H" first="Hidehiko" last="Saito">Hidehiko Saito</name><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>From the Division of Cardiology, First Department of Internal Medicine, University of Nagoya School of Medicine, Nagoya</wicri:regionArea><wicri:noRegion>Nagoya</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of the American College of Cardiology</title><title level="j" type="abbrev">JAC</title><idno type="ISSN">0735-1097</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1995">1995</date><biblScope unit="volume">25</biblScope><biblScope unit="issue">7</biblScope><biblScope unit="page" from="1584">1584</biblScope><biblScope unit="page" to="1590">1590</biblScope></imprint><idno type="ISSN">0735-1097</idno></series><idno type="istex">AA6BB18159964E59B4CD2A838CE9224FB86897A7</idno><idno type="DOI">10.1016/0735-1097(95)00094-K</idno><idno type="PII">0735-1097(95)00094-K</idno><idno type="ArticleID">9500094K</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0735-1097</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Objectives. We investigated the usefulness of QRST values obtained from 12-lead electrocardiograms (ECGs) for identification of repolarization abnormalities before and after radiofrequency ablation in patients with Wolff-Parkinson-White syndrome.Background. Marked T wave abnormalities often appear after ablation and have been attributed to a continuation of repolarization abnormalities present before ablation (cardiac memory). However, to our knowledge repolarization properties before and after ablation have not been assessed quantitatively.Methods. We calculated the ECG QRST values from 53 patients with Wolff-Parkinson-White syndrome and compared these values before, immediately after and 1 day and 1 week after successful ablation in 25 patients.Results. QRST values were abnormally high in lead V1 in 7 of 28 patients with a left-sided accessory pathway and abnormally low in leads III and aVF and high in lead aVL in 12, 9 and 10 of 20 patients, respectively, with a right-sided accessory pathway. Preexisting QRST abnormalities were still present immediately and 1 day after ablation but were usually absent by 1 week after ablation. QRST values before, immediately after and 1 day after ablation were not significantly different in any lead. In 14 patients with ablation of a left-sided accessory pathway, QRST values before, immediately after and 1 day after ablation in lead V1 and immediately after ablation in leads I, aVR and V2 were significantly different from QRST values in those leads 1 week after ablation. In six patients with ablation of a right-sided accessory pathway, QRST values before, immediately after and 1 day after ablation in leads III, aVL and aVF and immediately after ablation in lead II were significantly different from QRST values in those leads 1 week after ablation.Conclusions. Electrocardiographic QRST values may provide useful quantitative information with respect to repolarization properties before and after ablation in patients with Wolff-Parkinson-White syndrome that is otherwise difficult to obtain by conventional ECG analysis.</div></front></TEI><affiliations><list><country><li>Japon</li></country></list><tree><country name="Japon"><noRegion><name sortKey="Yanagawa, Tetsuo" sort="Yanagawa, Tetsuo" uniqKey="Yanagawa T" first="Tetsuo" last="Yanagawa">Tetsuo Yanagawa</name></noRegion><name sortKey="Hayashi, Hiroshi" sort="Hayashi, Hiroshi" uniqKey="Hayashi H" first="Hiroshi" last="Hayashi">Hiroshi Hayashi</name><name sortKey="Hirai, Makoto" sort="Hirai, Makoto" uniqKey="Hirai M" first="Makoto" last="Hirai">Makoto Hirai</name><name sortKey="Hirai, Makoto" sort="Hirai, Makoto" uniqKey="Hirai M" first="Makoto" last="Hirai">Makoto Hirai</name><name sortKey="Inden, Yasuya" sort="Inden, Yasuya" uniqKey="Inden Y" first="Yasuya" last="Inden">Yasuya Inden</name><name sortKey="Saito, Hidehiko" sort="Saito, Hidehiko" uniqKey="Saito H" first="Hidehiko" last="Saito">Hidehiko Saito</name><name sortKey="Sano, Hiroaki" sort="Sano, Hiroaki" uniqKey="Sano H" first="Hiroaki" last="Sano">Hiroaki Sano</name><name sortKey="Tomita, Yasushi" sort="Tomita, Yasushi" uniqKey="Tomita Y" first="Yasushi" last="Tomita">Yasushi Tomita</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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