多层螺旋CT成像下心房颤动患者左房后壁不同部位 厚度的研究-内科学专业论文.docxVIP

万方数据 万方数据 目 录 中文摘要······································································································1 英文摘要······································································································3 英文缩写······································································································6 研究论文 多层螺旋 CT 成像下心房颤动患者左房后壁不同部位 厚度的研究 前言······································································································7 材料与方法··························································································8 结果······································································································10 附表······································································································12 附图······································································································13 讨论······································································································16 结论······································································································18 参考文献······························································································19 综述 多层螺旋 CT 在心房颤动射频消融术中的应用及进展 21 致谢··············································································································33 个人简历······································································································34 中 中 文 摘 要 PAGE 10万方数据 PAGE 10 万方数据 多层螺旋 CT 成像下心房颤动患者左房后壁不同部位 厚度的研究 摘 要 目的：随着心脏电生理学的进步，导管射频消融术已经成为治疗心房 颤动的重要手段之一，而环肺静脉电隔离术是其中的主要术式。在心房颤 动环肺静脉电隔离术前庭区消融过程中，若不能产生左房的透壁性损伤可 能会导致房颤的复发，但左房后壁偏薄且靠近食管，消融能量过强，可能 会造成心包压塞、心房食道瘘等严重的并发症。因而了解环肺静脉消融前 庭区左房后壁的厚度对改善手术疗效及减少并发症是有意义的。本研究利 用多层螺旋 CT 对心房颤动患者环肺静脉电隔离术相关的左房后壁的 4 个 部位的厚度进行研究，并探讨房颤患者不同年龄、性别、房颤类型及左房 大小与左房后壁平均厚度的相关性。 方法：研究对象分为房颤组和非房颤组。房颤组收集了 2015 年 2 月 到 2016 年 2 月在河北医科大学第二医院心内科拟行心房颤动导管射频消 融术的患者 90 例，共筛选出有效病例 56 例，其中男性 34 例，女性 22 例，平均年龄 58.68±10.55 岁。所有患者均在术前 1 周内于我院行心脏 256