《心脏介入治疗》ppt课件-文档资料.ppt
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1、漂浮导管插入过程中压力图形的变化,漂浮导管检测PWP原理示意图,正常冠状动脉造影图例,冠脉造影模式 图,PTCA,冠状动脉造影心肌梗死图例,冠状动脉造影狭窄 图例,18,19,右冠病变及左主干病变,20,21,22,三支多处病变,23,三支多处病变,24,5、血管远端保护装置 介入治疗时病变部位斑块或血栓碎片脱落可导致远端栓塞,近年来研制的血管远端保护装置如AngioGuard滤器、PercuSurge导丝抽吸导管以及EPI滤器的应用使远端栓塞发生率降低,使介入治疗的成功率提高。,血管远端保护装置(Distal protection devices) 1.Percusuge Guardwire
2、 2. Angioguard,26,Prevention of embolisation during percutaneous vein graft intervention using a Filter Wire distal protection device A 71 year old man with previous bypass grafts was admitted with an acute coronary syndrome.,27,The device consists of a 0.014 inch angioplasty guide wire incorporatin
3、g a porous filter membrane (pore size 80 mm) suspended from a wire loop. Radio-opaque markers (arrows) are employedto position the filter beyond the target lesion.,28,29,plateletemboli (white), lipid-rich plaque debris(yellow), and acute thrombus (red).,30,Successful use of the Guardwire Plus distal
4、 embolisation protection device in a native left anterior descending coronary artery A 66 year old man was transferred for coronary angiography 48 hours after presentation to a referring hospital with an acute coronary syndrome. Selective injection of the left coronary artery revealed a large mobile
5、 thrombus in the proximal left anterior descending artery (panel A, arrow).,31,32,。,33,34,35,Prevention of Distal Embolization During Coronary Angioplasty in Saphenous Vein Grafts and Native Vessels Using Porous Filter Protection (Circulation. 2001;104:2436-2441.),36,37,38,39,40,41,42,43,44,45,46,47
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