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血管内超声消融术

        ◆ 血管内的超声消融原理

         1、空穴作用    超声导管形成的空穴作用产生横向震动波,在声波传导中可产生强大负声源,使很小的张力不足以维持均一恒定性,液体破裂形成性微泡,小微泡压迫释放气体形成局部高压性震荡,导致血栓和硬化斑块破碎消融,体外试验和体内试验都发现空穴现象产生的强力使各种聚合体解聚,从而血管腔扩大。
        2、机械破碎作用   超声导管、探头的震动使与探头直接的斑块和血栓发生破损起到超声消融作用,空穴效用只对斑块和血栓有效,但对正常血管组织产生小幅度震动,所以对正常血管内膜不产生病理性损害。
        3、间接助消融作用   超声波的空穴作用除直接消融作用外可激活t-PA促进溶栓药物与纤维蛋白分子结合,增强了溶栓效果。

加拿大28开奖官网        ◆ zhouweixueguanzusaixingjibingleibie

        zhouweixueguanwaikezuiweichangjiandejibing,zhuyaofendongmaihejingmai,dongmaichangjiandeweixiazhidongmaiyinghuabisaizhengjitangniaobingzu,jixingdedongmaishuansai。erjingmaizuichangjiandeweixiazhishenjingmaixueshuanxingcheng。

        xiazhidongmaiyinghuabisaizhengshichangjiandequanshenxueguanzusaixingjibing,zaoqibiaoxianweihuanzhifaleng、mamugan,yijizoulushixiaotuisuanzhang、fali、jianxiexingboxing,suihouchuxianzhitipifucangbai、wendujiangdi、jirouweisuo,shenzhiyejianjingxixingtengtong,yanzhongyingxiangshuimiandeng;wanqihuanzhidedongmaiwanquanbisai,zhitifashenghuaisi,kexingchengjingjiubuyudekuiyang,zuizhongdaozhijiezhidehouguo,yanzhongshenzhiweijishengming。


  间歇性跛行                                                                                      足趾坏死

        shenjingmaixueshuanxingchengshizhixueyezaishenjingmaiqiangneibuzhengchangdiningjie,zusaijingmaiguanqiang,daozhijingmaihuiliuzhangai,zaochengbutongchengdumanxingshenjingmaigongnengbuquan。quanshenzhuganjingmaijunkefabing,changjiandeshixiazhijixiaqiangjingmaixueshuanxingcheng,youqishiqiayigujingmaixueshuanxingcheng。

        容易诱发深静脉血栓原因:
        创伤、骨折、年龄、制动、恶性肿瘤、妊娠及产后、口服避孕药物等,,以外伤手术为主,其次为感染、动脉硬化和高血压病、妊娠分娩、药物、肿瘤、家族遗传因素。

加拿大28开奖官网        jixingqizhuyaobiaoxianweixiazhizhongzhang、tengtong、daichangxingqianbiaojingmaiquzhang。bingbianleijizhenggeshenjingmai、qianjingmaijiqiqianzhi,yanzhongkeyinqiguqingzhong,kefashengzhitihuaisi。

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加拿大28开奖官网 肢体肿胀                                                               局部表现

加拿大28开奖官网        zaoqixiazhijingmaixueshuanrongyituolikeyinqifeishuansai,shilinchuangshangyizhongchangjiandezhisiyuanyin。houqiruozhiliaobudangbufenkechuxianshenjingmaixueshuanhouyizheng。


加拿大28开奖官网  肺梗死                                                                    后遗症

        ◆ zhouweizusaixingjibingdezhiliao

加拿大28开奖官网        yiwangdezhiliaoyiyaowuzhiliaoweizhu,dandabufenzhiliaoxiaoguowangwangqianjia,youshixuyaowaikeshoushudeganyucainengqudebijiaohaodexiaoguo,biru: xueguandaqiao、neimobotuo、xueguanqushuan、xueguanqiangneixueguanchengxing(pta)yijiqiangneizhijiaxueguanchengxing、qiangneichaoshengxiaorongjigusuiganxibaoyizhishudengdezhiliao。

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加拿大28开奖官网        jinnianlaikaizhandexueguanqiangneizhiliaoshizhiliaoxiaoguoyoulejinyibutigao,erxueguanneichaoshengxiaorongjishudeyingyong,youmingxiantigaolexueguanqiangneizhiliaodexiaoguo。

        ◆ 血管内超声消融术特点
        1、创伤小,痛苦少,并发症少;
        2、大多数患者术后即可下床活动;
加拿大28开奖官网         3、特别适宜那些年龄大、身体差、不能耐受手术的高龄患者。

        muqian,xueguanneichaoshengxiaorongshuzhuyaoyingyongyuxiazhidongmaiyinghuabisai、xiazhishenjingmaixueshuanxingcheng、zhouweidongmaishuansai、tangniaobingzu、maiguanyanhuanzhedezhiliao,chenggongdiwanjiulehuanzhedezhitiheshengming。

加拿大28开奖官网        ◆ xiazhidongmaibisaidechaoshengxiaorongzhiliao

        tongguoduixueguanneidebankuaijixueshuanxiaorong,zaiwanquanbisaidexueguanneijianliyitiaotongdao,zhongxinjianlixueliu,duidongmaixingbingbianzhijiegaishanlezhitiquexue;lingwaixueguanzaitonghou,weijinyibujinxingqiunangkuozhanghexueguanneizhijiazhiliaodiandingjichu。 


术前                                                                术后

        ◆ tangniaobingxingdongmaiyinghuabisaizheng

        特点: 阻塞多发生在股浅动脉,腘动脉以下动脉。远端留出道差
                    呈动脉内多段闭塞,管腔普遍狭窄
                    搭桥和内膜剥脱疗效较差
                    超声消融可以再通多段闭塞,再通成功率高,手术合并症少。
                    超声消融可以再通腘动脉以下动脉闭塞,初步解决了以往外科搭桥和介入手段无法解决的难题。

 
术前                                                  术后   

        chaoshengxiaorongkeyianquanyouxiaodizaitongtangniaobingdongmaiyinghuayinqidexiazhidongmaibisai,zhongjianxiazhidongmaixueliu,dongmaizaitonglvgao,hebingzhengshao。yiqianwufadaqiaozhiliaohejieruzhiliaodetangniaobingxiazhidongmaibisaizhengdedaoyouxiaozhiliao。

加拿大28开奖官网        ◆ xiazhishenjingmaixueshuanxingchengdejingmaiqushuanjiehechaoshengxiaorongzhiliao

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术中取出的大量血栓

        zi2005nianqi,jianada28kaijiangguanwangkeyingyongxueguanneichaoshengxiaorongjishuzhiliaozhouweixueguanzusaixingjibing500duoli,zhiyulvda70%yishang,youxiaolvda95%yishang。tebieshidongmaizusaixingjibingmingxiantigaolebingrendebaozhilv。youxiebingrenruyuanshiyichuxianlezhitihuaisi,yingyongxueguanneichaoshengxiaorongjishunengjiangdijiezhipingmian,gaishananzhuangjiazhihoudexiazhigongneng。

        xueguanneichaoshengxiaorongjishuchengweizhouweixueguanzusaixingjibinghuanzheshouxuandezuianquan,youxiao,jianbian,weichuangdezhiliaofangfa。

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