Evaluation of arrhythmic causes of syncope: Correlation between holter monitoring, electrophysiologic testing, and body surface potential mapping
Identifieur interne : 004783 ( Main/Exploration ); précédent : 004782; suivant : 004784Evaluation of arrhythmic causes of syncope: Correlation between holter monitoring, electrophysiologic testing, and body surface potential mapping
Auteurs : Dominique Lacroix [Canada] ; Marc Dubuc [Canada] ; Teresa Kus [Canada] ; Pierre Savard [Canada] ; Mohammad Shenasa [Canada] ; Réginald Nadeau [Canada]Source :
- American Heart Journal [ 0002-8703 ] ; 1991.
Abstract
Holter monitoring, electrocardiographic (ECG) signal-averaging, body surface potential mapping (BSPM) for PQRST isoarea maps, and electrophysiologic study (EPS) were performed in 100 patients with syncope. Coronary artery disease (CAD) was found in 46 patients and other heart disease was found in 19. EPS was diagnostic in 44 patients, while Holter monitoring suggested a diagnosis in only 21 patients. Abnormal BSPM was frequently seen (56%), especially in CAD (70%), or with inducible ventricular tachycardia (VT) (87%). Late potentials were recorded in 13 patients with CAD; five had inducible VT. In seven other patients with VT, they were either absent or bundle branch block (BBB) was found. Thirteen deaths (three sudden) occurred in our series. EPS-guided therapy resulted in a low rate of total cardiac death. In conclusion, EPS had a higher diagnostic yield than Holter monitoring regardless of cardiac pathology. ECG signal-averaging was useful in predicting VT only in patients with CAD without BBB. BSPM was abnormal in most patients with cardiac disease, but poorly predicted VT.
Url:
DOI: 10.1016/0002-8703(91)90576-4
Affiliations:
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Nadeau, MD, Research Center, Hôpital du Sacré-Coeur de Montréal, 5400 Gouin Blvd. West, Montreal, Québec</wicri:regionArea><wicri:noRegion>Québec</wicri:noRegion></affiliation><affiliation wicri:level="1"><country xml:lang="fr">Canada</country><wicri:regionArea>Research Center, Hôpital du Sacré-Coeur de Montréal, Montréal, Québec</wicri:regionArea><wicri:noRegion>Québec</wicri:noRegion></affiliation><affiliation wicri:level="1"><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Medicine, Faculty of Medicine, Université de Montréal Montréal, Québec</wicri:regionArea><wicri:noRegion>Québec</wicri:noRegion></affiliation><affiliation wicri:level="1"><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Pharmacology, Faculty of Medicine, Université de Montréal Montréal, Québec</wicri:regionArea><wicri:noRegion>Québec</wicri:noRegion></affiliation><affiliation wicri:level="1"><country xml:lang="fr">Canada</country><wicri:regionArea>Institut de Génie Biomédical, Faculty of Medicine, Université de Montréal Montréal, Québec</wicri:regionArea><wicri:noRegion>Québec</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">American Heart Journal</title><title level="j" type="abbrev">YMHJ</title><idno type="ISSN">0002-8703</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1991">1991</date><biblScope unit="volume">122</biblScope><biblScope unit="issue">5</biblScope><biblScope unit="page" from="1346">1346</biblScope><biblScope unit="page" to="1354">1354</biblScope></imprint><idno type="ISSN">0002-8703</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0002-8703</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Holter monitoring, electrocardiographic (ECG) signal-averaging, body surface potential mapping (BSPM) for PQRST isoarea maps, and electrophysiologic study (EPS) were performed in 100 patients with syncope. Coronary artery disease (CAD) was found in 46 patients and other heart disease was found in 19. EPS was diagnostic in 44 patients, while Holter monitoring suggested a diagnosis in only 21 patients. Abnormal BSPM was frequently seen (56%), especially in CAD (70%), or with inducible ventricular tachycardia (VT) (87%). Late potentials were recorded in 13 patients with CAD; five had inducible VT. In seven other patients with VT, they were either absent or bundle branch block (BBB) was found. Thirteen deaths (three sudden) occurred in our series. EPS-guided therapy resulted in a low rate of total cardiac death. In conclusion, EPS had a higher diagnostic yield than Holter monitoring regardless of cardiac pathology. ECG signal-averaging was useful in predicting VT only in patients with CAD without BBB. BSPM was abnormal in most patients with cardiac disease, but poorly predicted VT.</div></front></TEI><affiliations><list><country><li>Canada</li></country></list><tree><country name="Canada"><noRegion><name sortKey="Lacroix, Dominique" sort="Lacroix, Dominique" uniqKey="Lacroix D" first="Dominique" last="Lacroix">Dominique Lacroix</name></noRegion><name sortKey="Dubuc, Marc" sort="Dubuc, Marc" uniqKey="Dubuc M" first="Marc" last="Dubuc">Marc Dubuc</name><name sortKey="Dubuc, Marc" sort="Dubuc, Marc" uniqKey="Dubuc M" first="Marc" last="Dubuc">Marc Dubuc</name><name sortKey="Dubuc, Marc" sort="Dubuc, Marc" uniqKey="Dubuc M" first="Marc" last="Dubuc">Marc Dubuc</name><name sortKey="Dubuc, Marc" sort="Dubuc, Marc" uniqKey="Dubuc M" first="Marc" last="Dubuc">Marc Dubuc</name><name sortKey="Kus, Teresa" sort="Kus, Teresa" uniqKey="Kus T" first="Teresa" last="Kus">Teresa Kus</name><name sortKey="Kus, Teresa" sort="Kus, Teresa" uniqKey="Kus T" first="Teresa" last="Kus">Teresa Kus</name><name sortKey="Kus, Teresa" sort="Kus, Teresa" uniqKey="Kus T" first="Teresa" last="Kus">Teresa Kus</name><name sortKey="Kus, Teresa" sort="Kus, Teresa" uniqKey="Kus T" first="Teresa" last="Kus">Teresa Kus</name><name sortKey="Lacroix, Dominique" sort="Lacroix, Dominique" uniqKey="Lacroix D" first="Dominique" last="Lacroix">Dominique Lacroix</name><name sortKey="Lacroix, Dominique" sort="Lacroix, Dominique" uniqKey="Lacroix D" first="Dominique" last="Lacroix">Dominique Lacroix</name><name sortKey="Lacroix, Dominique" sort="Lacroix, Dominique" uniqKey="Lacroix D" first="Dominique" last="Lacroix">Dominique Lacroix</name><name sortKey="Nadeau, Reginald" sort="Nadeau, Reginald" uniqKey="Nadeau R" first="Réginald" last="Nadeau">Réginald Nadeau</name><name sortKey="Nadeau, Reginald" sort="Nadeau, Reginald" uniqKey="Nadeau R" first="Réginald" last="Nadeau">Réginald Nadeau</name><name sortKey="Nadeau, Reginald" sort="Nadeau, Reginald" uniqKey="Nadeau R" first="Réginald" last="Nadeau">Réginald Nadeau</name><name sortKey="Nadeau, Reginald" sort="Nadeau, Reginald" uniqKey="Nadeau R" first="Réginald" last="Nadeau">Réginald Nadeau</name><name sortKey="Nadeau, Reginald" sort="Nadeau, Reginald" uniqKey="Nadeau R" first="Réginald" last="Nadeau">Réginald Nadeau</name><name sortKey="Savard, Pierre" sort="Savard, Pierre" uniqKey="Savard P" first="Pierre" last="Savard">Pierre Savard</name><name sortKey="Savard, Pierre" sort="Savard, Pierre" uniqKey="Savard P" first="Pierre" last="Savard">Pierre Savard</name><name sortKey="Savard, Pierre" sort="Savard, Pierre" uniqKey="Savard P" first="Pierre" last="Savard">Pierre Savard</name><name sortKey="Savard, Pierre" sort="Savard, Pierre" uniqKey="Savard P" first="Pierre" last="Savard">Pierre Savard</name><name sortKey="Shenasa, Mohammad" sort="Shenasa, Mohammad" uniqKey="Shenasa M" first="Mohammad" last="Shenasa">Mohammad Shenasa</name><name sortKey="Shenasa, Mohammad" sort="Shenasa, Mohammad" uniqKey="Shenasa M" first="Mohammad" last="Shenasa">Mohammad Shenasa</name><name sortKey="Shenasa, Mohammad" sort="Shenasa, Mohammad" uniqKey="Shenasa M" first="Mohammad" last="Shenasa">Mohammad Shenasa</name><name sortKey="Shenasa, Mohammad" sort="Shenasa, Mohammad" uniqKey="Shenasa M" first="Mohammad" last="Shenasa">Mohammad Shenasa</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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