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Does additional linear ablation after circumferential pulmonary vein isolation improve clinical outcome in patients with paroxysmal atrial fibrillation? Prospective randomised study.

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dc.contributor.author박희남-
dc.contributor.author심재민-
dc.contributor.author이문형-
dc.contributor.author정보영-
dc.contributor.author황혜진-
dc.contributor.author김종윤-
dc.contributor.author문희선-
dc.date.accessioned2014-12-19T16:52:03Z-
dc.date.available2014-12-19T16:52:03Z-
dc.date.issued2012-
dc.identifier.issn1355-6037-
dc.identifier.urihttps://ir.ymlib.yonsei.ac.kr/handle/22282913/90344-
dc.description.abstractOBJECTIVE: Circumferential pulmonary vein isolation (CPVI) has been considered the cornerstone of radiofrequency catheter ablation (RFCA) for atrial fibrillation (AF). However, it is unclear whether linear ablation in addition to CPVI improves clinical outcome. DESIGN: Prospective randomised study to compare the efficacy of CPVI and CPVI with additional linear ablation in patients with paroxysmal AF (PAF). SETTING: University hospital. PATIENTS: This study enrolled 156 patients (male 76.3%, 55.8±11.5 years old (mean±SD)) who underwent RFCA for PAF. INTERVENTIONS: CPVI (n=52), CPVI+roof line (CPVI+RL; n=52) and CPVI+RL+posterior inferior line (CPVI+PostBox; n=52). MAIN OUTCOME MEASURES: Procedure time, ablation time and clinical outcome. RESULTS: (1) The CPVI group showed shorter total procedure time (180.4±39.5 min vs 189.6±29.0 min and 201.7±51.7 min, respectively (mean±SD); p=0.035) and ablation time (4085.5±1384.1 s vs 5253.5±1010.9 s and 5495.0±1316.0 s, respectively; p<0.001) than the CPVI+RL and CPVI+PostBox groups. (2) During 15.6±5.0 months of follow-up, the recurrence rates 3 months after RFCA were 11.5% in CPVI, 21.2% in CPVI+RL and 19.2% in CPVI+PostBox (p=0.440). (3) The achievement rate of CPVI was 100.0%, and bidirectional block rate was 80.8% in CPVI+RL and 59.6% in CPVI+PostBox. The clinical recurrence rates with or without achieving bidirectional block were not significantly different from each other (p=0.386). CONCLUSION: In patients with PAF, linear ablation in addition to CPVI did not improve clinical outcome, regardless of bidirectional block achievement, while it prolonged the total procedure and ablation time.-
dc.description.statementOfResponsibilityopen-
dc.relation.isPartOfHEART-
dc.rightsCC BY-NC-ND 2.0 KR-
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/2.0/kr/-
dc.subject.MESHAtrial Fibrillation/surgery*-
dc.subject.MESHCardiac Surgical Procedures/methods-
dc.subject.MESHCatheter Ablation/methods*-
dc.subject.MESHFemale-
dc.subject.MESHHumans-
dc.subject.MESHMale-
dc.subject.MESHMiddle Aged-
dc.subject.MESHProspective Studies-
dc.subject.MESHPulmonary Veins/surgery*-
dc.subject.MESHTreatment Outcome-
dc.titleDoes additional linear ablation after circumferential pulmonary vein isolation improve clinical outcome in patients with paroxysmal atrial fibrillation? Prospective randomised study.-
dc.typeArticle-
dc.contributor.collegeCollege of Medicine (의과대학)-
dc.contributor.departmentDept. of Internal Medicine (내과학)-
dc.contributor.googleauthorHee-Sun Mun-
dc.contributor.googleauthorBoyoung Joung-
dc.contributor.googleauthorJaemin Shim-
dc.contributor.googleauthorHye Jin Hwang-
dc.contributor.googleauthorJong Youn Kim-
dc.contributor.googleauthorMoon-Hyoung Lee-
dc.contributor.googleauthorHui-Nam Pak-
dc.identifier.doi22285969-
dc.admin.authorfalse-
dc.admin.mappingfalse-
dc.contributor.localIdA01776-
dc.contributor.localIdA02206-
dc.contributor.localIdA02766-
dc.contributor.localIdA03609-
dc.contributor.localIdA04496-
dc.contributor.localIdA00926-
dc.contributor.localIdA01396-
dc.relation.journalcodeJ00976-
dc.identifier.eissn1468-201X-
dc.identifier.pmid22285969-
dc.subject.keywordAtrial Fibrillation/surgery*-
dc.subject.keywordCardiac Surgical Procedures/methods-
dc.subject.keywordCatheter Ablation/methods*-
dc.subject.keywordFemale-
dc.subject.keywordHumans-
dc.subject.keywordMale-
dc.subject.keywordMiddle Aged-
dc.subject.keywordProspective Studies-
dc.subject.keywordPulmonary Veins/surgery*-
dc.subject.keywordTreatment Outcome-
dc.contributor.alternativeNamePak, Hui Nam-
dc.contributor.alternativeNameShim, Jae Min-
dc.contributor.alternativeNameLee, Moon Hyoung-
dc.contributor.alternativeNameJoung, Bo Young-
dc.contributor.alternativeNameHwang, Hye Jin-
dc.contributor.alternativeNameKim, Jong Youn-
dc.contributor.alternativeNameMun, Hee Sun-
dc.contributor.affiliatedAuthorPak, Hui Nam-
dc.contributor.affiliatedAuthorShim, Jae Min-
dc.contributor.affiliatedAuthorLee, Moon Hyoung-
dc.contributor.affiliatedAuthorJoung, Bo Young-
dc.contributor.affiliatedAuthorHwang, Hye Jin-
dc.contributor.affiliatedAuthorKim, Jong Youn-
dc.contributor.affiliatedAuthorMun, Hee Sun-
dc.citation.volume98-
dc.citation.number6-
dc.citation.startPage480-
dc.citation.endPage484-
dc.identifier.bibliographicCitationHEART, Vol.98(6) : 480-484, 2012-
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers

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