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经主动脉无冠状窦内导管射频消融前间隔局灶性房性心动过速1例

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摘要 房性心动过速(atrial tachycardia, AT)简称房速,根据其病灶的大小、起源部位和消融方法,将其分为局灶性房性心动过速、不适当窦性心动过速、大折返性心动过速、心房颤动[1]。局灶性心动过速(局灶房速)的临床发病率低,约占所有室上性心动过速的5%;但在儿科的室上性心动过速患者中,局灶性房速所占比例为14%,现有的抗心律失常药物对局灶性房速的长期疗效并不理想。随着经导管射频消融的发展,使得房速的根治率达90%以上,但是由于房速的起源部位的不同,常规的经心内膜消融,往往效果不佳,复发率高,甚至失败。本研究中有1例成功经主动脉无冠状窦内射频导管消融前间隔局灶性房性心动过速患者。
出处 《医学信息(医学与计算机应用)》 2014年第3期473-474,共2页 Medical Information
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