Reduction of atrial defibrillation threshold with an interatrial septal electrode
The standard lead configuration for internal atrial defibrillation consists of a shock between electrodes in the right atrial appendage (RAA) and coronary sinus (CS). We tested the hypothesis that the atrial defibrillation threshold (ADFT) of this RAA-->CS configuration would be lowered with use...
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| Veröffentlicht in: | Circulation (New York, N.Y.) N.Y.), 2000-11, Vol.102 (21), p.2659-2664 |
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| container_title | Circulation (New York, N.Y.) |
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| creator | XIANGSHENG ZHENG BENSER, Michael E WALCOTT, Gregory P GIROUARD, Steven D ROLLINS, Dennis L SMITH, William M IDEKER, Raymond E |
| description | The standard lead configuration for internal atrial defibrillation consists of a shock between electrodes in the right atrial appendage (RAA) and coronary sinus (CS). We tested the hypothesis that the atrial defibrillation threshold (ADFT) of this RAA-->CS configuration would be lowered with use of an additional electrode at the atrial septum (SP).
Sustained atrial fibrillation was induced in 8 closed-chest sheep with burst pacing and continuous pericardial infusion of acetyl-ss-methylcholine. Defibrillation electrodes were situated in the RAA, CS, pulmonary artery (PA), low right atrium (LRA), and across the SP. ADFTs of RAA-->CS and 4 other lead configurations were determined in random order by use of a multiple-reversal protocol. Biphasic waveforms of 3/1-ms duration were used for all single and sequential shocks. The ADFT delivered energies for the single-shock configurations were 1.27+/-0.67 J for RAA-->CS and 0. 86+/-0.59 J for RAA+CS-->SP; the ADFTs for the sequential-shock configurations were 0.39+/-0.18 J for RAA-->SP/CS-->SP, 1.16+/-0.72 J for CS-->SP/RAA-->SP, and 0.68+/-0.46 J for RAA-->CS/LRA-->PA. Except for CS-->SP/RAA-->SP versus RAA-->CS and RAA-->CS/LRA-->PA versus RAA+CS-->SP, the ADFT delivered energies of all of the configurations were significantly different from each other (P:CS configuration is markedly reduced with an additional electrode at the atrial SP. |
| doi_str_mv | 10.1161/01.CIR.102.21.2659 |
| format | Article |
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Sustained atrial fibrillation was induced in 8 closed-chest sheep with burst pacing and continuous pericardial infusion of acetyl-ss-methylcholine. Defibrillation electrodes were situated in the RAA, CS, pulmonary artery (PA), low right atrium (LRA), and across the SP. ADFTs of RAA-->CS and 4 other lead configurations were determined in random order by use of a multiple-reversal protocol. Biphasic waveforms of 3/1-ms duration were used for all single and sequential shocks. The ADFT delivered energies for the single-shock configurations were 1.27+/-0.67 J for RAA-->CS and 0. 86+/-0.59 J for RAA+CS-->SP; the ADFTs for the sequential-shock configurations were 0.39+/-0.18 J for RAA-->SP/CS-->SP, 1.16+/-0.72 J for CS-->SP/RAA-->SP, and 0.68+/-0.46 J for RAA-->CS/LRA-->PA. Except for CS-->SP/RAA-->SP versus RAA-->CS and RAA-->CS/LRA-->PA versus RAA+CS-->SP, the ADFT delivered energies of all of the configurations were significantly different from each other (P:<0. 05).
The ADFT of the standard RAA-->CS configuration is markedly reduced with an additional electrode at the atrial SP.</description><identifier>ISSN: 0009-7322</identifier><identifier>EISSN: 1524-4539</identifier><identifier>DOI: 10.1161/01.CIR.102.21.2659</identifier><identifier>PMID: 11085971</identifier><identifier>CODEN: CIRCAZ</identifier><language>eng</language><publisher>Hagerstown, MD: Lippincott Williams & Wilkins</publisher><subject>Animals ; Atrial Fibrillation - surgery ; Atrial Fibrillation - therapy ; Biological and medical sciences ; Cardiac Pacing, Artificial ; Diseases of the cardiovascular system ; Electric Countershock - instrumentation ; Electric Countershock - methods ; Electrocardiography ; Electrodes, Implanted ; Electrophysiologic Techniques, Cardiac ; Energy Transfer ; Heart - drug effects ; Heart - physiopathology ; Heart Rate - drug effects ; Heart Septum - physiology ; Heart Septum - surgery ; Medical sciences ; Methacholine Chloride - pharmacology ; Muscarinic Agonists - pharmacology ; Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) ; Reproducibility of Results ; Sensory Thresholds ; Sheep ; Signal Processing, Computer-Assisted</subject><ispartof>Circulation (New York, N.Y.), 2000-11, Vol.102 (21), p.2659-2664</ispartof><rights>2001 INIST-CNRS</rights><rights>Copyright American Heart Association, Inc. Nov 21, 2000</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c441t-3b574dee6b38fcebde12ae09a55045a007870b4e2c33b6b5d4774a6f8b798bc93</citedby><cites>FETCH-LOGICAL-c441t-3b574dee6b38fcebde12ae09a55045a007870b4e2c33b6b5d4774a6f8b798bc93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,3688,27925,27926</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=810557$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11085971$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>XIANGSHENG ZHENG</creatorcontrib><creatorcontrib>BENSER, Michael E</creatorcontrib><creatorcontrib>WALCOTT, Gregory P</creatorcontrib><creatorcontrib>GIROUARD, Steven D</creatorcontrib><creatorcontrib>ROLLINS, Dennis L</creatorcontrib><creatorcontrib>SMITH, William M</creatorcontrib><creatorcontrib>IDEKER, Raymond E</creatorcontrib><title>Reduction of atrial defibrillation threshold with an interatrial septal electrode</title><title>Circulation (New York, N.Y.)</title><addtitle>Circulation</addtitle><description>The standard lead configuration for internal atrial defibrillation consists of a shock between electrodes in the right atrial appendage (RAA) and coronary sinus (CS). We tested the hypothesis that the atrial defibrillation threshold (ADFT) of this RAA-->CS configuration would be lowered with use of an additional electrode at the atrial septum (SP).
Sustained atrial fibrillation was induced in 8 closed-chest sheep with burst pacing and continuous pericardial infusion of acetyl-ss-methylcholine. Defibrillation electrodes were situated in the RAA, CS, pulmonary artery (PA), low right atrium (LRA), and across the SP. ADFTs of RAA-->CS and 4 other lead configurations were determined in random order by use of a multiple-reversal protocol. Biphasic waveforms of 3/1-ms duration were used for all single and sequential shocks. The ADFT delivered energies for the single-shock configurations were 1.27+/-0.67 J for RAA-->CS and 0. 86+/-0.59 J for RAA+CS-->SP; the ADFTs for the sequential-shock configurations were 0.39+/-0.18 J for RAA-->SP/CS-->SP, 1.16+/-0.72 J for CS-->SP/RAA-->SP, and 0.68+/-0.46 J for RAA-->CS/LRA-->PA. Except for CS-->SP/RAA-->SP versus RAA-->CS and RAA-->CS/LRA-->PA versus RAA+CS-->SP, the ADFT delivered energies of all of the configurations were significantly different from each other (P:<0. 05).
The ADFT of the standard RAA-->CS configuration is markedly reduced with an additional electrode at the atrial SP.</description><subject>Animals</subject><subject>Atrial Fibrillation - surgery</subject><subject>Atrial Fibrillation - therapy</subject><subject>Biological and medical sciences</subject><subject>Cardiac Pacing, Artificial</subject><subject>Diseases of the cardiovascular system</subject><subject>Electric Countershock - instrumentation</subject><subject>Electric Countershock - methods</subject><subject>Electrocardiography</subject><subject>Electrodes, Implanted</subject><subject>Electrophysiologic Techniques, Cardiac</subject><subject>Energy Transfer</subject><subject>Heart - drug effects</subject><subject>Heart - physiopathology</subject><subject>Heart Rate - drug effects</subject><subject>Heart Septum - physiology</subject><subject>Heart Septum - surgery</subject><subject>Medical sciences</subject><subject>Methacholine Chloride - pharmacology</subject><subject>Muscarinic Agonists - pharmacology</subject><subject>Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)</subject><subject>Reproducibility of Results</subject><subject>Sensory Thresholds</subject><subject>Sheep</subject><subject>Signal Processing, Computer-Assisted</subject><issn>0009-7322</issn><issn>1524-4539</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpdkE9r3DAUxEVJ6W6SfoEcgkmgN7t6-mPZx7IkzcJCSWjOQpKfWS1eeyvJlHz7KI1poafH8H4zDEPIFdAKoIavFKrN9qkCyioGFatl-4GsQTJRCsnbM7KmlLal4oytyHmMhyxrruQnsgKgjWwVrMnjE3azS34ai6kvTAreDEWHvbfBD4P580j7gHE_DV3x26d9YcbCjwnDAkc8pXxwQJfC1OEl-dibIeLn5V6Q5_u7n5uHcvfj-3bzbVc6ISCV3EolOsTa8qZ3aDsEZpC2RkoqpKFUNYpagcxxbmsrO6GUMHXfWNU21rX8gnx5zz2F6deMMemjjw5z6RGnOWrFBAcKKoM3_4GHaQ5j7qYZMCVYq1iG2DvkwhRjwF6fgj-a8KKB6re1NQWd186SZZt-Wzubrpfk2R6x-2dZ5s3A7QKY6MzQBzM6H_9yDVApFX8FC_2Hjw</recordid><startdate>20001121</startdate><enddate>20001121</enddate><creator>XIANGSHENG ZHENG</creator><creator>BENSER, Michael E</creator><creator>WALCOTT, Gregory P</creator><creator>GIROUARD, Steven D</creator><creator>ROLLINS, Dennis L</creator><creator>SMITH, William M</creator><creator>IDEKER, Raymond E</creator><general>Lippincott Williams & Wilkins</general><general>American Heart Association, Inc</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>K9.</scope><scope>NAPCQ</scope><scope>U9A</scope><scope>7X8</scope></search><sort><creationdate>20001121</creationdate><title>Reduction of atrial defibrillation threshold with an interatrial septal electrode</title><author>XIANGSHENG ZHENG ; BENSER, Michael E ; WALCOTT, Gregory P ; GIROUARD, Steven D ; ROLLINS, Dennis L ; SMITH, William M ; IDEKER, Raymond E</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c441t-3b574dee6b38fcebde12ae09a55045a007870b4e2c33b6b5d4774a6f8b798bc93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Animals</topic><topic>Atrial Fibrillation - surgery</topic><topic>Atrial Fibrillation - therapy</topic><topic>Biological and medical sciences</topic><topic>Cardiac Pacing, Artificial</topic><topic>Diseases of the cardiovascular system</topic><topic>Electric Countershock - instrumentation</topic><topic>Electric Countershock - methods</topic><topic>Electrocardiography</topic><topic>Electrodes, Implanted</topic><topic>Electrophysiologic Techniques, Cardiac</topic><topic>Energy Transfer</topic><topic>Heart - drug effects</topic><topic>Heart - physiopathology</topic><topic>Heart Rate - drug effects</topic><topic>Heart Septum - physiology</topic><topic>Heart Septum - surgery</topic><topic>Medical sciences</topic><topic>Methacholine Chloride - pharmacology</topic><topic>Muscarinic Agonists - pharmacology</topic><topic>Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)</topic><topic>Reproducibility of Results</topic><topic>Sensory Thresholds</topic><topic>Sheep</topic><topic>Signal Processing, Computer-Assisted</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>XIANGSHENG ZHENG</creatorcontrib><creatorcontrib>BENSER, Michael E</creatorcontrib><creatorcontrib>WALCOTT, Gregory P</creatorcontrib><creatorcontrib>GIROUARD, Steven D</creatorcontrib><creatorcontrib>ROLLINS, Dennis L</creatorcontrib><creatorcontrib>SMITH, William M</creatorcontrib><creatorcontrib>IDEKER, Raymond E</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Premium</collection><collection>MEDLINE - Academic</collection><jtitle>Circulation (New York, N.Y.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>XIANGSHENG ZHENG</au><au>BENSER, Michael E</au><au>WALCOTT, Gregory P</au><au>GIROUARD, Steven D</au><au>ROLLINS, Dennis L</au><au>SMITH, William M</au><au>IDEKER, Raymond E</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reduction of atrial defibrillation threshold with an interatrial septal electrode</atitle><jtitle>Circulation (New York, N.Y.)</jtitle><addtitle>Circulation</addtitle><date>2000-11-21</date><risdate>2000</risdate><volume>102</volume><issue>21</issue><spage>2659</spage><epage>2664</epage><pages>2659-2664</pages><issn>0009-7322</issn><eissn>1524-4539</eissn><coden>CIRCAZ</coden><abstract>The standard lead configuration for internal atrial defibrillation consists of a shock between electrodes in the right atrial appendage (RAA) and coronary sinus (CS). We tested the hypothesis that the atrial defibrillation threshold (ADFT) of this RAA-->CS configuration would be lowered with use of an additional electrode at the atrial septum (SP).
Sustained atrial fibrillation was induced in 8 closed-chest sheep with burst pacing and continuous pericardial infusion of acetyl-ss-methylcholine. Defibrillation electrodes were situated in the RAA, CS, pulmonary artery (PA), low right atrium (LRA), and across the SP. ADFTs of RAA-->CS and 4 other lead configurations were determined in random order by use of a multiple-reversal protocol. Biphasic waveforms of 3/1-ms duration were used for all single and sequential shocks. The ADFT delivered energies for the single-shock configurations were 1.27+/-0.67 J for RAA-->CS and 0. 86+/-0.59 J for RAA+CS-->SP; the ADFTs for the sequential-shock configurations were 0.39+/-0.18 J for RAA-->SP/CS-->SP, 1.16+/-0.72 J for CS-->SP/RAA-->SP, and 0.68+/-0.46 J for RAA-->CS/LRA-->PA. Except for CS-->SP/RAA-->SP versus RAA-->CS and RAA-->CS/LRA-->PA versus RAA+CS-->SP, the ADFT delivered energies of all of the configurations were significantly different from each other (P:<0. 05).
The ADFT of the standard RAA-->CS configuration is markedly reduced with an additional electrode at the atrial SP.</abstract><cop>Hagerstown, MD</cop><pub>Lippincott Williams & Wilkins</pub><pmid>11085971</pmid><doi>10.1161/01.CIR.102.21.2659</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; American Heart Association Journals; Journals@Ovid Complete; EZB-FREE-00999 freely available EZB journals |
| subjects | Animals Atrial Fibrillation - surgery Atrial Fibrillation - therapy Biological and medical sciences Cardiac Pacing, Artificial Diseases of the cardiovascular system Electric Countershock - instrumentation Electric Countershock - methods Electrocardiography Electrodes, Implanted Electrophysiologic Techniques, Cardiac Energy Transfer Heart - drug effects Heart - physiopathology Heart Rate - drug effects Heart Septum - physiology Heart Septum - surgery Medical sciences Methacholine Chloride - pharmacology Muscarinic Agonists - pharmacology Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) Reproducibility of Results Sensory Thresholds Sheep Signal Processing, Computer-Assisted |
| title | Reduction of atrial defibrillation threshold with an interatrial septal electrode |
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