环肺静脉消融术中肺静脉电位延迟时间与补点位置间的关系

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1、KKME---专业医学搜索引擎http://www.kkme.net/环肺静脉消融术中肺静脉电位延迟时间与补点位置间的关系　　作者：真亚，张国辉，刘少稳，陈松文，陈岗作者单位：江苏大学附属人民医院心内科，江苏镇江212002;上海交通大学附属第一人民医院心内科，上海200080　　【摘要】目的：探讨心房颤动环肺静脉消融术中肺静脉电隔离补充消融位置与肺静脉电位延迟程度之间的关系。方法：57例在三维标测系统指导下导管射频消融治疗的房颤患者，行环同侧肺静脉的线性消融和残余传导补充消融以达肺静脉电隔离。收集两侧

2、环线左右各6个补充消融部位窦性心律下肺静脉电位延迟时间，比较其差别。结果：肺静脉电位延迟时间在右侧补充消融6个部位间无明显差异;左侧补充消融6个部位：左上肺静脉前交叉与后上、前上、前壁之间(P=0.000,0.034,0.004)，后上与前上之间(P=0.032),左下肺静脉前壁与左上肺静脉后上、前壁之间差异有统计学意义(P=0.007，0.026)。延迟时间大于150ms补充消融位置大多在左侧前交叉至左下肺静脉前下壁。结论:测量肺静脉电位延迟程度，可用来快速寻找左侧环肺静脉线残余传导裂隙指导补充消融。

3、　　【关键词】环肺静脉消融;心房颤动;肺静脉电位　　Relationshipbetweenthelocationofgapablationwith　thedelaytimeofpulmonaryveinpotentialinprocedureof　　circumferentialpulmonaryveinisolationKKME---专业医学搜索引擎http://www.kkme.net/　　ZHENYa,ZHANGGuohui,LIUShaowen,CHENSongwen,CHENGang　　

4、(DepartmentofCardiology,theAffiliatedPeople′sHospitalofJiangsuUniversity,ZhenjiangJiangsu212002;DepartmentofCardiology,theAffiliatedFirstPeople′sHospital,ShanghaiJiaotongUniversity,Shanghai200080,China)　　[Abstract]Objective:Toevaluatetherelationshipbetwe

5、enthelocationofgapablationwiththedelaytimeofpulmonaryveinpotentialinprocedureofcircumferentialpulmonaryveinablationincaseswithatrialfibrillation.Methods：Allof57caseswithatrialfibrillationwhounderwentcircumferentialpulmonaryveinablationandgapablationbythr

6、eedimensionalelectroanatomicmappingsystemachievedtheendpointofpulmonaryveinisolation.Tocollectaboutthesixgapswithpulmonaryveinpotentialdelaytimeonbothsidesofablationsiteinsinusrhythmandcomparetheirdifferences.Results:Thepulmonaryveinpotentialdelaywithin

7、6areasofgapsintherightsidehadnosignificantdifference.Sixareasofgapsintheleftside:comparingtheanteriorcrossoverwiththesuperiorposteriorwall，thesuperioranteriorwall，theanteriorwall(P=0.000,0.034,0.004),comparingthesuperiorposteriorwallwiththesuperioran

8、teriorwallinleftsuperiorpulmonaryvein(P=0.032),andcomparingtheanteriorwallofleftinferiorpulmonaryveinwiththesuperiorposteriorwallandtheanteriorwallofleftKKME---专业医学搜索引擎http://www.kkme.net/superiorpulmonaryvein,differences