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下肢动脉急性缺血VIP免费

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下肢急性缺血下肢急性缺血外外外外外外第一页,共十三页。门诊哪些患者需要行血管方面检查:门诊哪些患者需要行血管方面检查:•••••第二页,共十三页。急性下肢缺血定义:急性下肢缺血定义:•外外外2外外外外外外外外外外外外外外外外•外外外外外外外外外外外外外外外外•外外外外外外外外外外10-15%外外外外外外外外第三页,共十三页。常见原因:常见原因:•外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外第四页,共十三页。临床表现:临床表现:•1外外外外外外外外外外外外外•2外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外•3外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外•4外外外外外外外外外外外外外外外外外外外外外外外外外外外外外•5外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外外4-6外外外外外外外外外第五页,共十三页。辅助检查:辅助检查:•外外外外外外外外外外外外外外外外外外外•1外外外外外外外外外外外外外外外•2外外外外外外外外外外外外外外外外外外外外外外外DSA外外外外外外外外外外外外外外外外•3外CTA外CT外外外外外外外•4外外外外外外外外D-外外外外外外外外外外外外外第六页,共十三页。急性肢体缺血分级急性肢体缺血分级•外外外外外外外外外外外外外外外外外外外级别描述临床检查多普勒信号感觉丧失运动受限动脉静脉Ⅰ级肢体活动存在,无立即威胁无无有有Ⅱa级威胁边缘,积极治疗可以保肢无或稍丧失,如足趾感觉丧失无长无有Ⅱb级严重威胁,急诊血管重建可保肢多于足趾感觉丧失,合并有静息痛轻中度受限多数无有Ⅲ级不可逆性坏死麻木,感觉消失麻痹,运动丧失无无第七页,共十三页。处理原那么:处理原那么:•••••第八页,共十三页。治疗方案的选择:治疗方案的选择:•外外外外外•1外外外外外外外外外外外外外外外•2外外外外CTA外外外外外外外外外外外外外•3外外外外外外外外外外外外外外外第九页,共十三页。术后处理:术后处理:•••第十页,共十三页。小结:小结:•外外外外外外外外外外外外外外外外外外外外外外外外外外•外外外外外外外外外外外外3外外外D-外外外外外外外外外D-外外外外外外INR外3外外外15%外外外外外外外外外外外外1-2外外外外外外外外外外INR外2-3外第十一页,共十三页。外外外第十二页,共十三页。内容总结下肢急性缺血。2、感觉异常和运动障碍:自觉肢体麻木,有针刺样感觉,下肢运动麻痹,活动无力。3、皮肤苍白:动脉栓塞后,由于堆积缺血,皮肤乳头下静脉丛血液排空,皮肤呈腊样苍白。假设皮下浅血管仍有少量血液存在,亦可出现青紫色斑块及条纹,病久发生坏死呈紫色。4、皮温下降:皮肤温度明显降低,越远降低越明显,且界限清楚。1、血管彩超:方便、实际且无创。4、辅助化验结果:D-二聚体、血栓弹力图检测等。谢谢第十三页,共十三页。

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