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256层螺旋CT血管成像对心房颤动射频消融术前的临床评估价值 被引量:4

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摘要 【目的】探讨应用256层螺旋CT血管成像及重建技术对房颤患者射频消融术前的肺赫脉结构评估的临床价值。【方法】选择本院收治的40例行肺静脉CT血管成像(CTA)检查的AF患者临床资料(观察组).选择同期本院门诊40例行冠狀动脉CTA检查正常者为对照组.应用三维重建技术对图像进行后处理.了解肺静脉数目、肺静脉开口直径等。【结果】①肺静脉数量:观察组中34例患者左、右肺静脉均为2支,5例患者右肺静脉3支左肺静脉2支.1例患者右肺静脉3支左肺静脉3支;对照组中33例患者左、右肺静脉均为2支,7例存在变异患者均右肺等脉3支左肺静脉2支。②两组患者中上肺静脉的开口较相应下肺赫脉的开口大(P<0.05);右肺静脉的开口较相应左肺静脉的开口大(P<0,05).③观察组4条主肺静脉开口均较对比组增大.差异有统计学意义(P<0.05).【结论】256层螺旋CT血管成像对肺静脉的解剖观察在射频消融术前的评估可为术中环状标测电极的选择及消融能量的选择提供指导,对避免并发症的发生.减少手术时间等方面提供重要影像依据。
作者 何维凌
出处 《医学临床研究》 CAS 2019年第7期1350-1351,共2页 Journal of Clinical Research
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