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交感神经激活对急性心肌梗死患者PTCA术后冠脉循环的影响 被引量:1

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摘要 目的 评价交感神经激活对经皮冠状动脉介入治疗后冠脉循环变化的影响。方法 选取符合入选标准的 40例患者 ,分为酚妥拉明干预组及生理盐水对照组 ,采用定量冠脉造影分析支架置入节段、其远端和球囊及导丝未操作作为对照血管的远端于PTCA术后即刻、15min及药物干预后 5min血管直径的变化 ;采用TIMI计帧法评价支架置入血管支和对照组血管支对应时刻的血流速度变化。结果 同术后即刻对比 ,所有患者术后 15min支架置入血管及对照血管的远端节段出现了明显的血管收缩 ,血管直径分别下降了 ( 2 0 43± 8 49) %,( 16 15± 6 91) %,冠脉血管收缩的同时伴有TIMI计帧数的增加 ,术后 15min支架置入血管和对照血管的TIMI计帧数分别由术后即刻 ( 2 0 82± 10 19)帧 /s ,( 19 5 6± 6 3 0 )帧 /s增加至 ( 4 0 79± 19 5 0 )帧 /s ,( 3 2 84± 5 98)帧 /s。
出处 《广东医学》 CAS CSCD 2003年第7期723-724,共2页 Guangdong Medical Journal
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