64排螺旋CT对心房颤动患者导管消融治疗后肺静脉狭窄的评价64 multislice computed tomography evaluate the vein stenosis in patients with atrial fibrillation after radiofrequency ablation
林明宽,刘浩,梁柳丹,张创良,唐梅艳,周婷,赵秋燕,韦海珠,周祥群
摘要(Abstract):
目的利用CT三维成像评价心房颤动(房颤)患者行环肺静脉电隔离(CPVI)术后肺静脉狭窄的发生情况。方法对28例行CPVI术(6.5±3.9)个月的房颤患者进行随访,研究导管消融术后肺静脉的形态结构学特点与术前做对比分析;应用64排螺旋CT测量CPVI术前后肺静脉口的径线、截面积、左心房容积。结果 CPVI术后肺静脉的最大径、最小径轻度狭窄率分别为61.6%、56.3%。中度狭窄率分别为3.6%、5.4%;所有患者随访时未出现静息或活动后肺静脉狭窄的常见症状。结论 CPVI术后可引起部分患者无症状性轻度及中度肺静脉狭窄。
关键词(KeyWords): CT;房颤;肺静脉狭窄;环肺静脉电隔离
基金项目(Foundation): 广西自然科学基金(桂科青0542056);; 广西医疗卫生重点科研课题(桂卫重200923)
作者(Author): 林明宽,刘浩,梁柳丹,张创良,唐梅艳,周婷,赵秋燕,韦海珠,周祥群
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