Catheter Ablation of Focal Atrial Tachycardia with Early Activation Close to the His-Bundle from the Non Coronary Aortic Cusp

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dc.contributorSistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP
dc.contributor.authorCHOKR, Muhieddine
dc.contributor.authorMOURA, Lucas G. de
dc.contributor.authorSOUSA, Italo Bruno dos Santos
dc.contributor.authorPISANI, Cristiano Faria
dc.contributor.authorHARDY, Carina Abigail
dc.contributor.authorMELO, Sissy Lara de
dc.contributor.authorPONTE FILHO, Arnobio Dias da
dc.contributor.authorCOSTA, Ieda Prata
dc.contributor.authorTAVORA, Ronaldo Vasconcelos
dc.contributor.authorSACILOTTO, Luciana
dc.contributor.authorWU, Tan Chen
dc.contributor.authorDARRIEUX, Francisco Carlos da Costa
dc.contributor.authorHACHUL, Denise Tessariol
dc.contributor.authorAIELLO, Vera
dc.contributor.authorSCANAVACCA, Mauricio
dc.date.accessioned2021-04-15T20:04:31Z
dc.date.available2021-04-15T20:04:31Z
dc.date.issued2021
dc.description.abstractBackground: Atrial tachycardia (AT) ablation with earliest activation site close to the His-Bundle is a challenge due to the risk of complete AV block by its proximity to His-Purkinje system (HPS). An alternative to minimize this risk is to position the catheter on the non-coronary cusp (NCC), which is anatomically contiguous to the para-Hisian region. Objectives: The aim of this study was to perform a literature review and evaluate the electrophysiological characteristics, safety, and success rate of catheter-based radiofrequency (RF) delivery in the NCC for the treatment of para-Hisian AT in a case series. Methods: This study performed a retrospective evaluation of ten patients (Age: 36 +/- 10 y-o) who had been referred for SVT ablation and presented a diagnosis of para-Hisian focal AT confirmed by classical electrophysiological maneuvers. For statistical analysis, a p-value of <0.05 was considered statistically significant. Results: The earliest atrial activation at the His position was 28 +/- 12ms from the P wave and at the NCC was 3 +/- 2ms earlier than His position, without evidence of His potential in all patients. RF was applied on the NCC (4-mm-tip catheter; 30W, 55 degrees C), and the tachycardia was interrupted in 5 +/- 3s with no increase in the PR interval or evidence of junctional rhythm. Electrophysiological tests did not reinduce tachycardia in 9/10 of patients. There were no complications in all procedures. During the 30 +/- 12 months follow-up, no patient presented tachycardia recurrence. Conclusion: The percutaneous treatment of para-Hisian AT through the NCC is an effective and safe strategy, which represents an interesting option for the treatment of this complex arrhythmia.eng
dc.description.indexMEDLINEeng
dc.identifier.citationARQUIVOS BRASILEIROS DE CARDIOLOGIA, v.116, n.1, p.119-125, 2021
dc.identifier.doi10.36660/abc.20180449
dc.identifier.issn0066-782X
dc.identifier.urihttps://observatorio.fm.usp.br/handle/OPI/40129
dc.language.isoeng
dc.publisherARQUIVOS BRASILEIROS CARDIOLOGIAeng
dc.relation.ispartofArquivos Brasileiros de Cardiologia
dc.rightsopenAccesseng
dc.rights.holderCopyright ARQUIVOS BRASILEIROS CARDIOLOGIAeng
dc.subjectArrhythmias, Cardiaceng
dc.subjectTachycardia, Atrialeng
dc.subjectCatheter, Ablation/methodseng
dc.subjectBundle of Hiseng
dc.subjectElectrophysiologic, Techniques/methodseng
dc.subjectElectrocardiography/methodseng
dc.subject.otherelectrophysiological characteristicseng
dc.subject.othernoncoronary sinuseng
dc.subject.wosCardiac & Cardiovascular Systemseng
dc.titleCatheter Ablation of Focal Atrial Tachycardia with Early Activation Close to the His-Bundle from the Non Coronary Aortic Cuspeng
dc.typearticleeng
dc.type.categoryoriginal articleeng
dc.type.versionpublishedVersioneng
dspace.entity.typePublication
hcfmusp.author.externalPONTE FILHO, Arnobio Dias da:Antonio Prudente Hosp, Fortaleza, Ceara, Brazil
hcfmusp.author.externalCOSTA, Ieda Prata:Antonio Prudente Hosp, Fortaleza, Ceara, Brazil
hcfmusp.author.externalTAVORA, Ronaldo Vasconcelos:Antonio Prudente Hosp, Fortaleza, Ceara, Brazil
hcfmusp.citation.scopus2
hcfmusp.contributor.author-fmusphcMUHIEDDINE OMAR CHOKR
hcfmusp.contributor.author-fmusphcLUCAS GOYANNA DE MOURA
hcfmusp.contributor.author-fmusphcITALO BRUNO DOS SANTOS SOUSA
hcfmusp.contributor.author-fmusphcCRISTIANO FARIA PISANI
hcfmusp.contributor.author-fmusphcCARINA ABIGAIL HARDY
hcfmusp.contributor.author-fmusphcSISSY LARA DE MELO
hcfmusp.contributor.author-fmusphcLUCIANA SACILOTTO FERNANDES
hcfmusp.contributor.author-fmusphcTAN CHEN WU
hcfmusp.contributor.author-fmusphcFRANCISCO CARLOS DA COSTA DARRIEUX
hcfmusp.contributor.author-fmusphcDENISE TESSARIOL HACHUL
hcfmusp.contributor.author-fmusphcVERA DEMARCHI AIELLO
hcfmusp.contributor.author-fmusphcMAURICIO IBRAHIM SCANAVACCA
hcfmusp.description.beginpage119
hcfmusp.description.endpage125
hcfmusp.description.issue1
hcfmusp.description.volume116
hcfmusp.origemWOS
hcfmusp.origem.pubmed33566975
hcfmusp.origem.scieloSCIELO:S0066-782X2021000100119
hcfmusp.origem.scopus2-s2.0-85100758430
hcfmusp.origem.wosWOS:000615367300022
hcfmusp.publisher.cityRIO DE JANEIROeng
hcfmusp.publisher.countryBRAZILeng
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hcfmusp.scopus.lastupdate2024-05-17
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