《心脏介入治疗》ppt课件.ppt
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1、漂浮导管,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,19,20,右冠病变及左主干病变,21,22,23,三支多处病变,24,三支多处病变,25,5、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 Guard
2、wire2.Angioguard,27,Prevention of embolisation during percutaneous vein graft intervention using a Filter Wire distalprotection device A 71year old man with previous bypass graftswas admitted with an acute coronarysyndrome.,28,The device consists of a 0.014 inch angioplasty guide wire incorporatinga
3、 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.,29,30,plateletemboli(white),lipid-rich plaque debris(yellow),and acute thrombus(red).,31,Successful use of the Guardwire Plus distal embolisatio
4、n protection device in a native left anterior descending coronary arteryA 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 thrombus in t
5、he proximal left anterior descending artery(panel A,arrow).,32,33,。,34,35,36,Prevention of Distal Embolization During CoronaryAngioplasty in Saphenous Vein Grafts and Native VesselsUsing Porous Filter Protection(Circulation.2001;104:2436-2441.),37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,5
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