心房颤动持续时间对左心房内径的影响.pdfVIP

生国匡荭垫!!生!旦箜§鲞璺!翅垦蝤坠丛笪!i堡，』塑!!翌垫!Q，塑：垒：№：! ．论著． 心房颤动持续时间对左心房内径的影响 刘源唐其柱陈昌贵 【摘要】 目的探讨心房颤动(房颤)持续时间与左心房大小的关系及其临床意义。方法选择78例 阵发性房额、48例持续性房颤、22例永久性房颤患者，利用人院后首次超声心动图检测其左心房收缩末内 径及左心室射血分数。结果阵发性房颤组患者左心房内径24—41(36．34-5．8)mm，增大2例(2．6％)；持 续性房颤组患者左心房内径29～49(43．74-6．8)toni，增大26例(54．2％)；永久性房颤组左心房内径32—50 (49．8±5．6)lnni，增大18例(81．8％)。从阵发性房颤组、持续性房颤组到永久性房颤组左心房内径逐渐增 大；持续性房颤组与阵发性房颤相比，及永久性与阵发性房颤相比，差异均有统计学意义(P0．05)。阵发性 房颤组、持续性房颧组及永久性房颤组左心室射血分数分别为(58±10)％、(54±25)％、(50±15)％，随房颤持续 时间而逐渐下降。持续性房颤组、永久性房颤组分别与阵发性房颤组相比，差异均具有统计学意义(P 0．05)。结论房颤是左心房扩大的原因之一，房颤持续时间越长，左心房扩大越显著。 【关键词】心房颤动；左心房内径 【中图分类号】R541．7【文献标识码】A mdTeet0fatrialfibrillationduration∞砩atrialdIaI咖删Yuan，黼俩砒，删Chang-胃ql,i． DepartmentofCardiology，RenminHospital，Wuhan 430060，China Uajversity，Wuhan author：TANG Corresponding qi-zhu。Email：haoliuyuan@126．corn To tIleeffectofthree ofatrial left andin- 【Abstract】0bjec6vecompare types fibrillationon atrialsize to the betweenatrialfibrillationandleftatrium．Methods78 of atri． vestigaterelationship Totallypatientsparoxysmal alfibrillation．48of atrialfibriUationand22 with atrialfibrillationwere肌a． patientspersistent patientspermanent atrialend diameterandLeftventricularfractionweremeasured． 1yzedbyechocardiography．Leftsystolic ejection RemitsOfthethree of wagfound leftatrialdimension inandtheleftatrialdimension groupspatients．thelargest in of atrialfibrillationwagthe paroxysmal Iowest(JP0．05)．MeanwhiletheLeftventricular group eieetio．fraction WaSthe inthe of atrial AtrialfibrillationiSoneofthe highestgrouppermanentfibrillation(P0．05)．Condusions left cause8of at