Mapping potentials adjacent to the cavo‐tricuspid isthmus ablation line during incremental pacing: A feasible and highly accurate maneuver to confirm complete CTI conduction block
Background The diagnostic accuracy of incremental atrial pacing (IP) to determine complete cavo‐tricuspid isthmus (CTI) block during typical atrial flutter (AFL) ablation is limited by both an extensive/nonlinear ablation and/or the presence of intra‐atrial conduction delay elsewhere in the right at...
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| Veröffentlicht in: | Journal of cardiovascular electrophysiology 2020-07, Vol.31 (7), p.1649-1657 |
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| container_title | Journal of cardiovascular electrophysiology |
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| creator | Jiménez‐López, Jesus Vallès, Ermengol Martí‐Almor, Julio González‐Matos, Carlos Bas, Deva Benito, Begoña Alcalde, Oscar Cabrera, Sandra Altaba, Carmen Bazan, Victor |
| description | Background
The diagnostic accuracy of incremental atrial pacing (IP) to determine complete cavo‐tricuspid isthmus (CTI) block during typical atrial flutter (AFL) ablation is limited by both an extensive/nonlinear ablation and/or the presence of intra‐atrial conduction delay elsewhere in the right atrium. We examined the diagnostic performance of an IP variant based on the assessment of the atrial potentials adjacent to the ablation line which aims at overcoming both limitations.
Methods
From a prospective population of 108 consecutive patients, 15 were excluded due to observation of inconclusive CTI ablation potentials precluding for a straight comparison between the IP maneuver and its variant. In the remaining 93, IP was performed from the low lateral right atrium and the coronary sinus ostium, with the ablation catheter positioned both at the CTI line and adjacent ( |
| doi_str_mv | 10.1111/jce.14542 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_2402422403</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2419276671</sourcerecordid><originalsourceid>FETCH-LOGICAL-c3532-a7a60ed2048c2b9c1573822136dfa0b3e55b5f82bd464f26339e83b1ad0055963</originalsourceid><addsrcrecordid>eNp1kc1u1DAQxy0EoqVw4AWQJS5wSOuPOMlyq1YFioq4lHPk2JOuFycO_ijaG4_Ay_BCPAmz3cIBCR889vjn_4zmT8hzzk45rrOtgVNeq1o8IMdc1azqeNM-xDOrVSW7Vh6RJyltGeOyYeoxOZKiZoy18pj8_KiXxc03dAkZ5uy0T1TbrTZ4oTnQvAFq9G349f1Hjs6UtDhLXcqbqSA4eJ1dmKl3M1Bb4l7IzSbChN-1p4s2mHpDz-kIOrnBA9WzpRt3s_E7qo0pUWegk56h3ELcFzRhHl2cME6LB3xcX1_uk7aYu1KDD-bLU_JoxE7h2X08IZ_fXlyv31dXn95drs-vKiOVFJVudcPAClZ3Rgwrw1UrOyFwCnbUbJCg1KDGTgy2bupRNFKuoJMD15YxpVaNPCGvDrpLDF8LpNxPLhnwHhsOJfU4RlEL3CWiL_9Bt6HEGbtDiq9E2zQtR-r1gTIxpBRh7JfoJh13PWf93ssevezvvET2xb1iGSawf8k_5iFwdgC-OQ-7_yv1H9YXB8nfdqOrlg</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2419276671</pqid></control><display><type>article</type><title>Mapping potentials adjacent to the cavo‐tricuspid isthmus ablation line during incremental pacing: A feasible and highly accurate maneuver to confirm complete CTI conduction block</title><source>Wiley Online Library Journals Frontfile Complete</source><creator>Jiménez‐López, Jesus ; Vallès, Ermengol ; Martí‐Almor, Julio ; González‐Matos, Carlos ; Bas, Deva ; Benito, Begoña ; Alcalde, Oscar ; Cabrera, Sandra ; Altaba, Carmen ; Bazan, Victor</creator><creatorcontrib>Jiménez‐López, Jesus ; Vallès, Ermengol ; Martí‐Almor, Julio ; González‐Matos, Carlos ; Bas, Deva ; Benito, Begoña ; Alcalde, Oscar ; Cabrera, Sandra ; Altaba, Carmen ; Bazan, Victor</creatorcontrib><description>Background
The diagnostic accuracy of incremental atrial pacing (IP) to determine complete cavo‐tricuspid isthmus (CTI) block during typical atrial flutter (AFL) ablation is limited by both an extensive/nonlinear ablation and/or the presence of intra‐atrial conduction delay elsewhere in the right atrium. We examined the diagnostic performance of an IP variant based on the assessment of the atrial potentials adjacent to the ablation line which aims at overcoming both limitations.
Methods
From a prospective population of 108 consecutive patients, 15 were excluded due to observation of inconclusive CTI ablation potentials precluding for a straight comparison between the IP maneuver and its variant. In the remaining 93, IP was performed from the low lateral right atrium and the coronary sinus ostium, with the ablation catheter positioned both at the CTI line and adjacent (<5 mm) to its septal and lateral aspect. The IP variant consisted of measuring the interval between the two atrial electrograms situated on the same side of the ablation line, opposite to the pacing site, a ≤10 ms increase indicating complete CTI block.
Results
The IP maneuver and its variant were consistent with complete CTI block in 82/93 (88%) and 87/93 (93%) patients, respectively. Four patients had AFL recurrence during follow‐up: 2/4 and 4/4 had been adequately classified as incomplete block by the IP maneuver and its variant, respectively. Twenty‐three patients (24%) had significant intra‐atrial conduction delay elsewhere in the right atrium. The IP maneuver and its variant were suggestive of an incomplete CTI block in 11/23 and 4/23 in this setting (P = .028), with the later best predicting subsequent AFL relapses (2/12 vs 2/4, P = .01).
Conclusions
The IP variant, which was designed to overcome the limitations of the conventional IP maneuver, accurately distinguishes complete from incomplete CTI block and helps to predict AFL recurrences after ablation.</description><identifier>ISSN: 1045-3873</identifier><identifier>EISSN: 1540-8167</identifier><identifier>DOI: 10.1111/jce.14542</identifier><identifier>PMID: 32400073</identifier><language>eng</language><publisher>United States: Wiley Subscription Services, Inc</publisher><subject>Ablation ; Atrium ; cavo‐tricuspid isthmus ; complete block ; incremental pacing ; typical atrial flutter</subject><ispartof>Journal of cardiovascular electrophysiology, 2020-07, Vol.31 (7), p.1649-1657</ispartof><rights>2020 Wiley Periodicals LLC</rights><rights>2020 Wiley Periodicals LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3532-a7a60ed2048c2b9c1573822136dfa0b3e55b5f82bd464f26339e83b1ad0055963</citedby><cites>FETCH-LOGICAL-c3532-a7a60ed2048c2b9c1573822136dfa0b3e55b5f82bd464f26339e83b1ad0055963</cites><orcidid>0000-0002-4461-996X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fjce.14542$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fjce.14542$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32400073$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Jiménez‐López, Jesus</creatorcontrib><creatorcontrib>Vallès, Ermengol</creatorcontrib><creatorcontrib>Martí‐Almor, Julio</creatorcontrib><creatorcontrib>González‐Matos, Carlos</creatorcontrib><creatorcontrib>Bas, Deva</creatorcontrib><creatorcontrib>Benito, Begoña</creatorcontrib><creatorcontrib>Alcalde, Oscar</creatorcontrib><creatorcontrib>Cabrera, Sandra</creatorcontrib><creatorcontrib>Altaba, Carmen</creatorcontrib><creatorcontrib>Bazan, Victor</creatorcontrib><title>Mapping potentials adjacent to the cavo‐tricuspid isthmus ablation line during incremental pacing: A feasible and highly accurate maneuver to confirm complete CTI conduction block</title><title>Journal of cardiovascular electrophysiology</title><addtitle>J Cardiovasc Electrophysiol</addtitle><description>Background
The diagnostic accuracy of incremental atrial pacing (IP) to determine complete cavo‐tricuspid isthmus (CTI) block during typical atrial flutter (AFL) ablation is limited by both an extensive/nonlinear ablation and/or the presence of intra‐atrial conduction delay elsewhere in the right atrium. We examined the diagnostic performance of an IP variant based on the assessment of the atrial potentials adjacent to the ablation line which aims at overcoming both limitations.
Methods
From a prospective population of 108 consecutive patients, 15 were excluded due to observation of inconclusive CTI ablation potentials precluding for a straight comparison between the IP maneuver and its variant. In the remaining 93, IP was performed from the low lateral right atrium and the coronary sinus ostium, with the ablation catheter positioned both at the CTI line and adjacent (<5 mm) to its septal and lateral aspect. The IP variant consisted of measuring the interval between the two atrial electrograms situated on the same side of the ablation line, opposite to the pacing site, a ≤10 ms increase indicating complete CTI block.
Results
The IP maneuver and its variant were consistent with complete CTI block in 82/93 (88%) and 87/93 (93%) patients, respectively. Four patients had AFL recurrence during follow‐up: 2/4 and 4/4 had been adequately classified as incomplete block by the IP maneuver and its variant, respectively. Twenty‐three patients (24%) had significant intra‐atrial conduction delay elsewhere in the right atrium. The IP maneuver and its variant were suggestive of an incomplete CTI block in 11/23 and 4/23 in this setting (P = .028), with the later best predicting subsequent AFL relapses (2/12 vs 2/4, P = .01).
Conclusions
The IP variant, which was designed to overcome the limitations of the conventional IP maneuver, accurately distinguishes complete from incomplete CTI block and helps to predict AFL recurrences after ablation.</description><subject>Ablation</subject><subject>Atrium</subject><subject>cavo‐tricuspid isthmus</subject><subject>complete block</subject><subject>incremental pacing</subject><subject>typical atrial flutter</subject><issn>1045-3873</issn><issn>1540-8167</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp1kc1u1DAQxy0EoqVw4AWQJS5wSOuPOMlyq1YFioq4lHPk2JOuFycO_ijaG4_Ay_BCPAmz3cIBCR889vjn_4zmT8hzzk45rrOtgVNeq1o8IMdc1azqeNM-xDOrVSW7Vh6RJyltGeOyYeoxOZKiZoy18pj8_KiXxc03dAkZ5uy0T1TbrTZ4oTnQvAFq9G349f1Hjs6UtDhLXcqbqSA4eJ1dmKl3M1Bb4l7IzSbChN-1p4s2mHpDz-kIOrnBA9WzpRt3s_E7qo0pUWegk56h3ELcFzRhHl2cME6LB3xcX1_uk7aYu1KDD-bLU_JoxE7h2X08IZ_fXlyv31dXn95drs-vKiOVFJVudcPAClZ3Rgwrw1UrOyFwCnbUbJCg1KDGTgy2bupRNFKuoJMD15YxpVaNPCGvDrpLDF8LpNxPLhnwHhsOJfU4RlEL3CWiL_9Bt6HEGbtDiq9E2zQtR-r1gTIxpBRh7JfoJh13PWf93ssevezvvET2xb1iGSawf8k_5iFwdgC-OQ-7_yv1H9YXB8nfdqOrlg</recordid><startdate>202007</startdate><enddate>202007</enddate><creator>Jiménez‐López, Jesus</creator><creator>Vallès, Ermengol</creator><creator>Martí‐Almor, Julio</creator><creator>González‐Matos, Carlos</creator><creator>Bas, Deva</creator><creator>Benito, Begoña</creator><creator>Alcalde, Oscar</creator><creator>Cabrera, Sandra</creator><creator>Altaba, Carmen</creator><creator>Bazan, Victor</creator><general>Wiley Subscription Services, Inc</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QP</scope><scope>K9.</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-4461-996X</orcidid></search><sort><creationdate>202007</creationdate><title>Mapping potentials adjacent to the cavo‐tricuspid isthmus ablation line during incremental pacing: A feasible and highly accurate maneuver to confirm complete CTI conduction block</title><author>Jiménez‐López, Jesus ; Vallès, Ermengol ; Martí‐Almor, Julio ; González‐Matos, Carlos ; Bas, Deva ; Benito, Begoña ; Alcalde, Oscar ; Cabrera, Sandra ; Altaba, Carmen ; Bazan, Victor</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3532-a7a60ed2048c2b9c1573822136dfa0b3e55b5f82bd464f26339e83b1ad0055963</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Ablation</topic><topic>Atrium</topic><topic>cavo‐tricuspid isthmus</topic><topic>complete block</topic><topic>incremental pacing</topic><topic>typical atrial flutter</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jiménez‐López, Jesus</creatorcontrib><creatorcontrib>Vallès, Ermengol</creatorcontrib><creatorcontrib>Martí‐Almor, Julio</creatorcontrib><creatorcontrib>González‐Matos, Carlos</creatorcontrib><creatorcontrib>Bas, Deva</creatorcontrib><creatorcontrib>Benito, Begoña</creatorcontrib><creatorcontrib>Alcalde, Oscar</creatorcontrib><creatorcontrib>Cabrera, Sandra</creatorcontrib><creatorcontrib>Altaba, Carmen</creatorcontrib><creatorcontrib>Bazan, Victor</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of cardiovascular electrophysiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jiménez‐López, Jesus</au><au>Vallès, Ermengol</au><au>Martí‐Almor, Julio</au><au>González‐Matos, Carlos</au><au>Bas, Deva</au><au>Benito, Begoña</au><au>Alcalde, Oscar</au><au>Cabrera, Sandra</au><au>Altaba, Carmen</au><au>Bazan, Victor</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mapping potentials adjacent to the cavo‐tricuspid isthmus ablation line during incremental pacing: A feasible and highly accurate maneuver to confirm complete CTI conduction block</atitle><jtitle>Journal of cardiovascular electrophysiology</jtitle><addtitle>J Cardiovasc Electrophysiol</addtitle><date>2020-07</date><risdate>2020</risdate><volume>31</volume><issue>7</issue><spage>1649</spage><epage>1657</epage><pages>1649-1657</pages><issn>1045-3873</issn><eissn>1540-8167</eissn><abstract>Background
The diagnostic accuracy of incremental atrial pacing (IP) to determine complete cavo‐tricuspid isthmus (CTI) block during typical atrial flutter (AFL) ablation is limited by both an extensive/nonlinear ablation and/or the presence of intra‐atrial conduction delay elsewhere in the right atrium. We examined the diagnostic performance of an IP variant based on the assessment of the atrial potentials adjacent to the ablation line which aims at overcoming both limitations.
Methods
From a prospective population of 108 consecutive patients, 15 were excluded due to observation of inconclusive CTI ablation potentials precluding for a straight comparison between the IP maneuver and its variant. In the remaining 93, IP was performed from the low lateral right atrium and the coronary sinus ostium, with the ablation catheter positioned both at the CTI line and adjacent (<5 mm) to its septal and lateral aspect. The IP variant consisted of measuring the interval between the two atrial electrograms situated on the same side of the ablation line, opposite to the pacing site, a ≤10 ms increase indicating complete CTI block.
Results
The IP maneuver and its variant were consistent with complete CTI block in 82/93 (88%) and 87/93 (93%) patients, respectively. Four patients had AFL recurrence during follow‐up: 2/4 and 4/4 had been adequately classified as incomplete block by the IP maneuver and its variant, respectively. Twenty‐three patients (24%) had significant intra‐atrial conduction delay elsewhere in the right atrium. The IP maneuver and its variant were suggestive of an incomplete CTI block in 11/23 and 4/23 in this setting (P = .028), with the later best predicting subsequent AFL relapses (2/12 vs 2/4, P = .01).
Conclusions
The IP variant, which was designed to overcome the limitations of the conventional IP maneuver, accurately distinguishes complete from incomplete CTI block and helps to predict AFL recurrences after ablation.</abstract><cop>United States</cop><pub>Wiley Subscription Services, Inc</pub><pmid>32400073</pmid><doi>10.1111/jce.14542</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-4461-996X</orcidid></addata></record> |
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| ispartof | Journal of cardiovascular electrophysiology, 2020-07, Vol.31 (7), p.1649-1657 |
| issn | 1045-3873 1540-8167 |
| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Ablation Atrium cavo‐tricuspid isthmus complete block incremental pacing typical atrial flutter |
| title | Mapping potentials adjacent to the cavo‐tricuspid isthmus ablation line during incremental pacing: A feasible and highly accurate maneuver to confirm complete CTI conduction block |
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