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多普勒组织成像技术定位显性预激综合征旁道的临床观察 被引量:1

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摘要 目的利用多普勒组织成像技术(DTI)对患有显性预激综合征的心律失常患者的旁道进行定位,评价该项技术的可行性和准确率。方法选取45例显性预激综合征患者为显性预激综合征组,32例正常人为正常对照组,利用DTI的加速度方式检查心肌收缩顺序,将DTI所观察到的预激综合征患者的心室壁提前收缩部位与心内电生理检查中标测的"靶点"进行比较。结果正常对照组心室激动顺序依次为间隔心底段、游离壁及心尖部;预激综合征组左侧显性旁道29例,准确定位25例,准确率86.2%;右侧显性旁道16例,准确定位13例,准确率81.3%。总定位准确率为84.4%,两侧定位准确率差异无统计学意义(P>0.05)。结论 DTI的加速度方式可正确评价心室正常或异常的除极过程,能够对预激综合征患者的旁道进行准确定位,且该方法具有可重复、简便、安全无创等特点,临床上值得进一步研究和推广。
作者 赵玮 孟存良
出处 《河北医药》 CAS 2012年第2期211-213,共3页 Hebei Medical Journal
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参考文献10

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二级参考文献9

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