Supraventricular tachycardia mechanisms and their age distribution in pediatric patients
Identifieur interne : 002D31 ( Main/Corpus ); précédent : 002D30; suivant : 002D32Supraventricular tachycardia mechanisms and their age distribution in pediatric patients
Auteurs : Jae Kon Ko ; Barbara J. Deal ; Janette F. Strasburger ; D. Woodrow Benson Jr.Source :
- The American Journal of Cardiology [ 0002-9149 ] ; 1991.
Abstract
To better define the natural history of supraventricular tachycardia (SVT) in young patients, age distribution of SVT mechanisms was examined in 137 infants, children and adolescents. Patients with a history of cardiac surgery or neuromuscular diseases were excluded. An electrophysiologic study was performed in each patient: transesophageal (110 patients) or transvenous (14 patients) or both (13 patients). Mechanisms were classified as SVT using accessory atrioventricular (AV) connection (SVT using accessory connection, including orthodromic and antidromic reciprocating tachycardia), primary atrial tachycardia (including chaotic, automatic and reentrant atrial tachycardia), and tachycardia due to reentry within the AV node. SVT using accessory connection occurred in 100 of 137 patients (73%) and was the most prevalent mechanism. Primary atrial tachycardia and reentry within the AV node were present in 19 of 137 (14%) and 18 of 137 (13%) patients, respectively. Using a multinomial logit model, relative probabilities for tachycardia mechanisms for 5 age groups — prenatal, <1, 1 to 5, 6 to 10 and >10 years — were determined. Primary atrial tachycardia (11 to 16%) and SVT using accessory connection (58 to 84%) appeared throughout infancy, childhood and adolescence. On the other hand, tachycardia due to reentry within the AV node (0 to 31%) rarely appeared before age 2 years. Mechanisms of SVT appear to have age-dependent distributions. SVT using accessory connection is the most common mechanism in young patients. We speculate that the propensity to tachycardia due to reentry within the AV node occurs during postnatal development.
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DOI: 10.1016/0002-9149(92)90858-V
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Deal</name><affiliation><mods:affiliation>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</mods:affiliation></affiliation><affiliation><mods:affiliation>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</mods:affiliation></affiliation></author><author><name sortKey="Strasburger, Janette F" sort="Strasburger, Janette F" uniqKey="Strasburger J" first="Janette F." last="Strasburger">Janette F. Strasburger</name><affiliation><mods:affiliation>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</mods:affiliation></affiliation><affiliation><mods:affiliation>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</mods:affiliation></affiliation></author><author><name sortKey="Benson Jr, D Woodrow" sort="Benson Jr, D Woodrow" uniqKey="Benson Jr D" first="D. Woodrow" last="Benson Jr.">D. Woodrow Benson Jr.</name><affiliation><mods:affiliation>Address for reprints: D. Woodrow Benson, Jr., MD, PhD, Division of Cardiology, Children's Memorial Hospital, 2300 Children's Plaza, Chicago, Illinois 60614.</mods:affiliation></affiliation><affiliation><mods:affiliation>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</mods:affiliation></affiliation><affiliation><mods:affiliation>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:D5685BE304E858EFEB148A8037C3AECDCE2EC695</idno><date when="1992" year="1992">1992</date><idno type="doi">10.1016/0002-9149(92)90858-V</idno><idno type="url">https://api.istex.fr/document/D5685BE304E858EFEB148A8037C3AECDCE2EC695/fulltext/pdf</idno><idno type="wicri:Area/Main/Corpus">002D31</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Supraventricular tachycardia mechanisms and their age distribution in pediatric patients</title><author><name sortKey="Ko, Jae Kon" sort="Ko, Jae Kon" uniqKey="Ko J" first="Jae Kon" last="Ko">Jae Kon Ko</name><affiliation><mods:affiliation>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</mods:affiliation></affiliation><affiliation><mods:affiliation>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</mods:affiliation></affiliation><affiliation><mods:affiliation>∗Present address: Pediatric Cardiology, Sejong General Hospital, Puchon-shi Kyunggi-Do, Korea.</mods:affiliation></affiliation></author><author><name sortKey="Deal, Barbara J" sort="Deal, Barbara J" uniqKey="Deal B" first="Barbara J." last="Deal">Barbara J. Deal</name><affiliation><mods:affiliation>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</mods:affiliation></affiliation><affiliation><mods:affiliation>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</mods:affiliation></affiliation></author><author><name sortKey="Strasburger, Janette F" sort="Strasburger, Janette F" uniqKey="Strasburger J" first="Janette F." last="Strasburger">Janette F. Strasburger</name><affiliation><mods:affiliation>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</mods:affiliation></affiliation><affiliation><mods:affiliation>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</mods:affiliation></affiliation></author><author><name sortKey="Benson Jr, D Woodrow" sort="Benson Jr, D Woodrow" uniqKey="Benson Jr D" first="D. Woodrow" last="Benson Jr.">D. Woodrow Benson Jr.</name><affiliation><mods:affiliation>Address for reprints: D. Woodrow Benson, Jr., MD, PhD, Division of Cardiology, Children's Memorial Hospital, 2300 Children's Plaza, Chicago, Illinois 60614.</mods:affiliation></affiliation><affiliation><mods:affiliation>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</mods:affiliation></affiliation><affiliation><mods:affiliation>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">The American Journal of Cardiology</title><title level="j" type="abbrev">AJC</title><idno type="ISSN">0002-9149</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1991">1991</date><biblScope unit="volume">69</biblScope><biblScope unit="issue">12</biblScope><biblScope unit="page" from="1028">1028</biblScope><biblScope unit="page" to="1032">1032</biblScope></imprint><idno type="ISSN">0002-9149</idno></series><idno type="istex">D5685BE304E858EFEB148A8037C3AECDCE2EC695</idno><idno type="DOI">10.1016/0002-9149(92)90858-V</idno><idno type="PII">0002-9149(92)90858-V</idno><idno type="ArticleID">9290858V</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0002-9149</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">To better define the natural history of supraventricular tachycardia (SVT) in young patients, age distribution of SVT mechanisms was examined in 137 infants, children and adolescents. Patients with a history of cardiac surgery or neuromuscular diseases were excluded. An electrophysiologic study was performed in each patient: transesophageal (110 patients) or transvenous (14 patients) or both (13 patients). Mechanisms were classified as SVT using accessory atrioventricular (AV) connection (SVT using accessory connection, including orthodromic and antidromic reciprocating tachycardia), primary atrial tachycardia (including chaotic, automatic and reentrant atrial tachycardia), and tachycardia due to reentry within the AV node. SVT using accessory connection occurred in 100 of 137 patients (73%) and was the most prevalent mechanism. Primary atrial tachycardia and reentry within the AV node were present in 19 of 137 (14%) and 18 of 137 (13%) patients, respectively. Using a multinomial logit model, relative probabilities for tachycardia mechanisms for 5 age groups — prenatal, <1, 1 to 5, 6 to 10 and >10 years — were determined. Primary atrial tachycardia (11 to 16%) and SVT using accessory connection (58 to 84%) appeared throughout infancy, childhood and adolescence. On the other hand, tachycardia due to reentry within the AV node (0 to 31%) rarely appeared before age 2 years. Mechanisms of SVT appear to have age-dependent distributions. SVT using accessory connection is the most common mechanism in young patients. We speculate that the propensity to tachycardia due to reentry within the AV node occurs during postnatal development.</div></front></TEI><istex><corpusName>elsevier</corpusName><author><json:item><name>Jae Kon Ko MD</name><affiliations><json:string>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</json:string><json:string>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</json:string><json:string>∗Present address: Pediatric Cardiology, Sejong General Hospital, Puchon-shi Kyunggi-Do, Korea.</json:string></affiliations></json:item><json:item><name>Barbara J. Deal MD</name><affiliations><json:string>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</json:string><json:string>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</json:string></affiliations></json:item><json:item><name>Janette F. Strasburger MD</name><affiliations><json:string>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</json:string><json:string>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</json:string></affiliations></json:item><json:item><name>D.Woodrow Benson, Jr. MD, PhD</name><affiliations><json:string>Address for reprints: D. Woodrow Benson, Jr., MD, PhD, Division of Cardiology, Children's Memorial Hospital, 2300 Children's Plaza, Chicago, Illinois 60614.</json:string><json:string>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</json:string><json:string>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>Arrhythmias and conduction disturbances</value></json:item></subject><articleId><json:string>9290858V</json:string></articleId><language><json:string>eng</json:string></language><abstract>To better define the natural history of supraventricular tachycardia (SVT) in young patients, age distribution of SVT mechanisms was examined in 137 infants, children and adolescents. Patients with a history of cardiac surgery or neuromuscular diseases were excluded. An electrophysiologic study was performed in each patient: transesophageal (110 patients) or transvenous (14 patients) or both (13 patients). Mechanisms were classified as SVT using accessory atrioventricular (AV) connection (SVT using accessory connection, including orthodromic and antidromic reciprocating tachycardia), primary atrial tachycardia (including chaotic, automatic and reentrant atrial tachycardia), and tachycardia due to reentry within the AV node. SVT using accessory connection occurred in 100 of 137 patients (73%) and was the most prevalent mechanism. Primary atrial tachycardia and reentry within the AV node were present in 19 of 137 (14%) and 18 of 137 (13%) patients, respectively. Using a multinomial logit model, relative probabilities for tachycardia mechanisms for 5 age groups — prenatal, >1, 1 to 5, 6 to 10 and >10 years — were determined. Primary atrial tachycardia (11 to 16%) and SVT using accessory connection (58 to 84%) appeared throughout infancy, childhood and adolescence. On the other hand, tachycardia due to reentry within the AV node (0 to 31%) rarely appeared before age 2 years. Mechanisms of SVT appear to have age-dependent distributions. SVT using accessory connection is the most common mechanism in young patients. We speculate that the propensity to tachycardia due to reentry within the AV node occurs during postnatal development.</abstract><qualityIndicators><score>6.249</score><pdfVersion>1.3</pdfVersion><pdfPageSize>576.08 x 791.96 pts</pdfPageSize><refBibsNative>true</refBibsNative><keywordCount>1</keywordCount><abstractCharCount>1653</abstractCharCount><pdfWordCount>3321</pdfWordCount><pdfCharCount>23978</pdfCharCount><pdfPageCount>5</pdfPageCount><abstractWordCount>244</abstractWordCount></qualityIndicators><title>Supraventricular tachycardia mechanisms and their age distribution in pediatric patients</title><pii><json:string>0002-9149(92)90858-V</json:string></pii><genre><json:string>research-article</json:string></genre><host><volume>69</volume><pii><json:string>S0002-9149(00)X0918-6</json:string></pii><pages><last>1032</last><first>1028</first></pages><issn><json:string>0002-9149</json:string></issn><issue>12</issue><genre><json:string>Journal</json:string></genre><language><json:string>unknown</json:string></language><title>The American Journal of Cardiology</title><publicationDate>1992</publicationDate></host><publicationDate>1991</publicationDate><copyrightDate>1992</copyrightDate><doi><json:string>10.1016/0002-9149(92)90858-V</json:string></doi><id>D5685BE304E858EFEB148A8037C3AECDCE2EC695</id><fulltext><json:item><original>true</original><mimetype>application/pdf</mimetype><extension>pdf</extension><uri>https://api.istex.fr/document/D5685BE304E858EFEB148A8037C3AECDCE2EC695/fulltext/pdf</uri></json:item><json:item><original>true</original><mimetype>text/plain</mimetype><extension>txt</extension><uri>https://api.istex.fr/document/D5685BE304E858EFEB148A8037C3AECDCE2EC695/fulltext/txt</uri></json:item><json:item><original>false</original><mimetype>application/zip</mimetype><extension>zip</extension><uri>https://api.istex.fr/document/D5685BE304E858EFEB148A8037C3AECDCE2EC695/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/D5685BE304E858EFEB148A8037C3AECDCE2EC695/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main" xml:lang="en">Supraventricular tachycardia mechanisms and their age distribution in pediatric patients</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>ELSEVIER</publisher><availability><p>ELSEVIER</p></availability><date>1992</date></publicationStmt><notesStmt><note>with the technical assistance of Mark Donovan, MS</note></notesStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a" type="main" xml:lang="en">Supraventricular tachycardia mechanisms and their age distribution in pediatric patients</title><author><persName><forename type="first">Jae Kon</forename><surname>Ko</surname></persName><roleName type="degree">MD</roleName><affiliation>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</affiliation><affiliation>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</affiliation><affiliation>∗Present address: Pediatric Cardiology, Sejong General Hospital, Puchon-shi Kyunggi-Do, Korea.</affiliation></author><author><persName><forename type="first">Barbara J.</forename><surname>Deal</surname></persName><roleName type="degree">MD</roleName><affiliation>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</affiliation><affiliation>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</affiliation></author><author><persName><forename type="first">Janette F.</forename><surname>Strasburger</surname></persName><roleName type="degree">MD</roleName><affiliation>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</affiliation><affiliation>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</affiliation></author><author><persName><forename type="first">D.Woodrow</forename><surname>Benson, Jr.</surname></persName><roleName type="degree">MD, PhD</roleName><affiliation>Address for reprints: D. Woodrow Benson, Jr., MD, PhD, Division of Cardiology, Children's Memorial Hospital, 2300 Children's Plaza, Chicago, Illinois 60614.</affiliation><affiliation>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</affiliation><affiliation>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</affiliation></author></analytic><monogr><title level="j">The American Journal of Cardiology</title><title level="j" type="abbrev">AJC</title><idno type="pISSN">0002-9149</idno><idno type="PII">S0002-9149(00)X0918-6</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1991"></date><biblScope unit="volume">69</biblScope><biblScope unit="issue">12</biblScope><biblScope unit="page" from="1028">1028</biblScope><biblScope unit="page" to="1032">1032</biblScope></imprint></monogr><idno type="istex">D5685BE304E858EFEB148A8037C3AECDCE2EC695</idno><idno type="DOI">10.1016/0002-9149(92)90858-V</idno><idno type="PII">0002-9149(92)90858-V</idno><idno type="ArticleID">9290858V</idno></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>1992</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>To better define the natural history of supraventricular tachycardia (SVT) in young patients, age distribution of SVT mechanisms was examined in 137 infants, children and adolescents. Patients with a history of cardiac surgery or neuromuscular diseases were excluded. An electrophysiologic study was performed in each patient: transesophageal (110 patients) or transvenous (14 patients) or both (13 patients). Mechanisms were classified as SVT using accessory atrioventricular (AV) connection (SVT using accessory connection, including orthodromic and antidromic reciprocating tachycardia), primary atrial tachycardia (including chaotic, automatic and reentrant atrial tachycardia), and tachycardia due to reentry within the AV node. SVT using accessory connection occurred in 100 of 137 patients (73%) and was the most prevalent mechanism. Primary atrial tachycardia and reentry within the AV node were present in 19 of 137 (14%) and 18 of 137 (13%) patients, respectively. Using a multinomial logit model, relative probabilities for tachycardia mechanisms for 5 age groups — prenatal, <1, 1 to 5, 6 to 10 and >10 years — were determined. Primary atrial tachycardia (11 to 16%) and SVT using accessory connection (58 to 84%) appeared throughout infancy, childhood and adolescence. On the other hand, tachycardia due to reentry within the AV node (0 to 31%) rarely appeared before age 2 years. Mechanisms of SVT appear to have age-dependent distributions. SVT using accessory connection is the most common mechanism in young patients. We speculate that the propensity to tachycardia due to reentry within the AV node occurs during postnatal development.</p></abstract><textClass><keywords scheme="keyword"><list><head>Article category</head><item><term>Arrhythmias and conduction disturbances</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="1991-12-11">Registration</change><change when="1991-12-09">Modified</change><change when="1991">Published</change></revisionDesc></teiHeader></istex:fulltextTEI></fulltext><metadata><istex:metadataXml wicri:clean="Elsevier, elements deleted: tail"><istex:xmlDeclaration>version="1.0" encoding="UTF-8"</istex:xmlDeclaration><istex:docType PUBLIC="-//ES//DTD journal article DTD version 4.5.2//EN//XML" URI="art452.dtd" name="istex:docType"></istex:docType><istex:document><converted-article version="4.5.2" docsubtype="fla" xml:lang="en"><item-info><jid>AJC</jid><aid>9290858V</aid><ce:pii>0002-9149(92)90858-V</ce:pii><ce:doi>10.1016/0002-9149(92)90858-V</ce:doi><ce:copyright type="unknown" year="1992"></ce:copyright><ce:doctopics><ce:doctopic><ce:text>Arrhythmias and conduction disturbances</ce:text></ce:doctopic></ce:doctopics></item-info><head><ce:title>Supraventricular tachycardia mechanisms and their age distribution in pediatric patients</ce:title><ce:author-group><ce:author><ce:given-name>Jae Kon</ce:given-name><ce:surname>Ko</ce:surname><ce:degrees>MD</ce:degrees><ce:cross-ref refid="AFF1"><ce:sup loc="post">a</ce:sup></ce:cross-ref><ce:cross-ref refid="AFF2"><ce:sup loc="post">b</ce:sup></ce:cross-ref><ce:cross-ref refid="FN1"><ce:sup loc="post">∗</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>Barbara J.</ce:given-name><ce:surname>Deal</ce:surname><ce:degrees>MD</ce:degrees><ce:cross-ref refid="AFF1"><ce:sup loc="post">a</ce:sup></ce:cross-ref><ce:cross-ref refid="AFF2"><ce:sup loc="post">b</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>Janette F.</ce:given-name><ce:surname>Strasburger</ce:surname><ce:degrees>MD</ce:degrees><ce:cross-ref refid="AFF1"><ce:sup loc="post">a</ce:sup></ce:cross-ref><ce:cross-ref refid="AFF2"><ce:sup loc="post">b</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>D.Woodrow</ce:given-name><ce:surname>Benson</ce:surname><ce:suffix>Jr.</ce:suffix><ce:degrees>MD, PhD</ce:degrees><ce:cross-ref refid="COR1"><ce:sup loc="post">∗</ce:sup></ce:cross-ref><ce:cross-ref refid="AFF1"><ce:sup loc="post">a</ce:sup></ce:cross-ref><ce:cross-ref refid="AFF2"><ce:sup loc="post">b</ce:sup></ce:cross-ref></ce:author><ce:affiliation id="AFF1"><ce:label>a</ce:label><ce:textfn>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</ce:textfn></ce:affiliation><ce:affiliation id="AFF2"><ce:label>b</ce:label><ce:textfn>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</ce:textfn></ce:affiliation><ce:correspondence id="COR1"><ce:label>∗</ce:label><ce:text>Address for reprints: D. Woodrow Benson, Jr., MD, PhD, Division of Cardiology, Children's Memorial Hospital, 2300 Children's Plaza, Chicago, Illinois 60614.</ce:text></ce:correspondence><ce:footnote id="FN1"><ce:label>∗</ce:label><ce:note-para>Present address: Pediatric Cardiology, Sejong General Hospital, Puchon-shi Kyunggi-Do, Korea.</ce:note-para></ce:footnote></ce:author-group><ce:date-received day="16" month="8" year="1991"></ce:date-received><ce:date-revised day="9" month="12" year="1991"></ce:date-revised><ce:date-accepted day="11" month="12" year="1991"></ce:date-accepted><ce:miscellaneous>with the technical assistance of Mark Donovan, MS</ce:miscellaneous><ce:abstract class="author"><ce:section-title>Abstract</ce:section-title><ce:abstract-sec><ce:simple-para view="all" id="simple-para.0010">To better define the natural history of supraventricular tachycardia (SVT) in young patients, age distribution of SVT mechanisms was examined in 137 infants, children and adolescents. Patients with a history of cardiac surgery or neuromuscular diseases were excluded. An electrophysiologic study was performed in each patient: transesophageal (110 patients) or transvenous (14 patients) or both (13 patients). Mechanisms were classified as SVT using accessory atrioventricular (AV) connection (SVT using accessory connection, including orthodromic and antidromic reciprocating tachycardia), primary atrial tachycardia (including chaotic, automatic and reentrant atrial tachycardia), and tachycardia due to reentry within the AV node. SVT using accessory connection occurred in 100 of 137 patients (73%) and was the most prevalent mechanism. Primary atrial tachycardia and reentry within the AV node were present in 19 of 137 (14%) and 18 of 137 (13%) patients, respectively. Using a multinomial logit model, relative probabilities for tachycardia mechanisms for 5 age groups — prenatal, <1, 1 to 5, 6 to 10 and >10 years — were determined. Primary atrial tachycardia (11 to 16%) and SVT using accessory connection (58 to 84%) appeared throughout infancy, childhood and adolescence. On the other hand, tachycardia due to reentry within the AV node (0 to 31%) rarely appeared before age 2 years. Mechanisms of SVT appear to have age-dependent distributions. SVT using accessory connection is the most common mechanism in young patients. We speculate that the propensity to tachycardia due to reentry within the AV node occurs during postnatal development.</ce:simple-para></ce:abstract-sec></ce:abstract></head></converted-article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Supraventricular tachycardia mechanisms and their age distribution in pediatric patients</title></titleInfo><titleInfo type="alternative" lang="en" contentType="CDATA"><title>Supraventricular tachycardia mechanisms and their age distribution in pediatric patients</title></titleInfo><name type="personal"><namePart type="given">Jae Kon</namePart><namePart type="family">Ko</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</affiliation><affiliation>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</affiliation><affiliation>∗Present address: Pediatric Cardiology, Sejong General Hospital, Puchon-shi Kyunggi-Do, Korea.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Barbara J.</namePart><namePart type="family">Deal</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</affiliation><affiliation>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Janette F.</namePart><namePart type="family">Strasburger</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</affiliation><affiliation>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">D.Woodrow</namePart><namePart type="family">Benson, Jr.</namePart><namePart type="termsOfAddress">MD, PhD</namePart><affiliation>Address for reprints: D. Woodrow Benson, Jr., MD, PhD, Division of Cardiology, Children's Memorial Hospital, 2300 Children's Plaza, Chicago, Illinois 60614.</affiliation><affiliation>From the Department of Pediatrics, Northwestern University Children's Memorial Hospital, Chicago, Illinois, U.S.A.</affiliation><affiliation>From the Feinberg Cardiovascular Research Institute, Chicago, Illinois, U.S.A.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="Full-length article"></genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">1991</dateIssued><dateValid encoding="w3cdtf">1991-12-11</dateValid><dateModified encoding="w3cdtf">1991-12-09</dateModified><copyrightDate encoding="w3cdtf">1992</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 lang="en">To better define the natural history of supraventricular tachycardia (SVT) in young patients, age distribution of SVT mechanisms was examined in 137 infants, children and adolescents. Patients with a history of cardiac surgery or neuromuscular diseases were excluded. An electrophysiologic study was performed in each patient: transesophageal (110 patients) or transvenous (14 patients) or both (13 patients). Mechanisms were classified as SVT using accessory atrioventricular (AV) connection (SVT using accessory connection, including orthodromic and antidromic reciprocating tachycardia), primary atrial tachycardia (including chaotic, automatic and reentrant atrial tachycardia), and tachycardia due to reentry within the AV node. SVT using accessory connection occurred in 100 of 137 patients (73%) and was the most prevalent mechanism. Primary atrial tachycardia and reentry within the AV node were present in 19 of 137 (14%) and 18 of 137 (13%) patients, respectively. Using a multinomial logit model, relative probabilities for tachycardia mechanisms for 5 age groups — prenatal, <1, 1 to 5, 6 to 10 and >10 years — were determined. Primary atrial tachycardia (11 to 16%) and SVT using accessory connection (58 to 84%) appeared throughout infancy, childhood and adolescence. On the other hand, tachycardia due to reentry within the AV node (0 to 31%) rarely appeared before age 2 years. Mechanisms of SVT appear to have age-dependent distributions. SVT using accessory connection is the most common mechanism in young patients. We speculate that the propensity to tachycardia due to reentry within the AV node occurs during postnatal development.</abstract><note>with the technical assistance of Mark Donovan, MS</note><subject><genre>Article category</genre><topic>Arrhythmias and conduction disturbances</topic></subject><relatedItem type="host"><titleInfo><title>The American Journal of Cardiology</title></titleInfo><titleInfo type="abbreviated"><title>AJC</title></titleInfo><genre type="Journal">journal</genre><originInfo><dateIssued encoding="w3cdtf">19920415</dateIssued></originInfo><identifier type="ISSN">0002-9149</identifier><identifier type="PII">S0002-9149(00)X0918-6</identifier><part><date>19920415</date><detail type="volume"><number>69</number><caption>vol.</caption></detail><detail type="issue"><number>12</number><caption>no.</caption></detail><extent unit="issue pages"><start>A105</start><end>A108</end></extent><extent unit="issue pages"><start>A4</start><end>A43</end></extent><extent unit="issue pages"><start>977</start><end>1112</end></extent><extent unit="pages"><start>1028</start><end>1032</end></extent></part></relatedItem><identifier type="istex">D5685BE304E858EFEB148A8037C3AECDCE2EC695</identifier><identifier type="DOI">10.1016/0002-9149(92)90858-V</identifier><identifier type="PII">0002-9149(92)90858-V</identifier><identifier type="ArticleID">9290858V</identifier><recordInfo><recordContentSource>ELSEVIER</recordContentSource></recordInfo></mods></metadata><enrichments><istex:refBibTEI uri="https://api.istex.fr/document/D5685BE304E858EFEB148A8037C3AECDCE2EC695/enrichments/refBib"><teiHeader></teiHeader><text><front></front><body></body><back><listBibl><biblStruct><analytic><title level="a" type="main">The mechanisms of supraventricular tachycardia in children</title><author><persName><surname>Gillette</surname></persName></author><author><persName><surname>Pc</surname></persName></author></analytic><monogr><title level="j">Circulation</title><imprint><biblScope 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