血管狭窄

The degradating and redistributing of ECM were migration of VSMC and vascular remodeling through inhibiting the production of PDGF-BB and the activation of MMPs so to prevent the vascular stenosis.⑤Orthotopic hybridism in situ: The expression of MMP-3 increased after operation, the tendency and intensity were parallel to the expression of NF-κB. Tongxinluo could decrease the expression of MMP-3 and NF-κB. The study showed that the producting and activating of MMP-3 were modulated by NF-κB. The inhibition to the producting and activating of MMp-3 of Tongxinluo was mediated by inhibiting the activating of NF-κB. Conclusion ①The rabbit vascular stenosis model could be established successfully by plain balloon damage, the operation process was easy, economical and practical.

①单纯球囊损伤可成功建立典型家兔血管狭窄模型，操作方法简单，经济实用；②以VSMC增殖、迁移为主的内膜增厚以及以ECM降解、合成与再分布所致的血管重构是导致受损血管狭窄的根本原因；③通心络能明显抑制VSMC的增殖、迁移和ECM降解、合成，阻止血管内膜增生和血管重构，防止受损血管狭窄；该作用可能与其减少和阻止PDGF-BB的产生和活性，以及抑制MMPs的表达和恢复MMPs/TIMPs平衡有关；④通心络能显著抑制球囊损伤后血管内膜增生和血管重构，可能与其保护血管内皮，改善内皮功能，增加血清NO含量有关；⑤通心络抑制内膜增生和血管重构，减轻受损血管狭窄，还可能是通过抑制NF-κB的活化途径而起作用的。

Stenoses, and ealuation of carotid disease in patients with arrhythmias, alular heart disease, or cardiomyopathy.

由于CTA依靠造影剂灌注识别狭窄的血管腔病变，很少由于血流紊流和动脉扭曲而过高估计血管狭窄。

Results 520 arteries were examined in all, and DSA detected 130 normal, 390 abnormal (75.0%, 120 artherosclerosis, 201 stenosis, 69 occlusion). In the diagnosis of MRA to angiostegnosis , the sensitivity was 95.4%, the specificity was 96.2%, the false positive was 1.3%, and the false negative was 17.7%.

结果 检查缺血性脑血管患者的血管520条，DSA发现130条正常，390条异常（75.0％），其中动脉粥样硬化120处，狭窄201处，闭塞69处；MRA诊断血管狭窄的敏感性为95.4％，特异性为96.2％，假阳性为1.3％，假阴性为15.5％。

objective to evaluate dsa and percutaneous transluminal renal arterioplasty for the treatment of renovascular hypertension.methods 82 suspected patients with renovascular hypertension were given dsa examination.28 patients were treated by means of ptra while another 5 cases with unilateral kidney atrophy treated surgically.results 49 patients were normal,33 patients were abnormal,28 patients were treated by means of ptra.blood pressure had got to normal in 10 patients while in 13 patients bp dropped noticeably after ptra.the overall benefit rate was 82.1%.conclusion dsa and ptra are clinically effective for the treatment of renovascular hypertension.ptra is technically successful.

目的 评价经皮腔内肾动脉成形术治疗肾血管性高血压的价值。方法 82例全部行dsa检查，肾血管狭窄者行ptra术或外科手术，观察其治疗效果。结果 82例患者行肾动脉造影后血管正常者49例，异常者33例，其中单侧肾萎缩5例行外科手术（肾动脉搭桥1例），肾动脉狭窄28例行经皮腔内肾动脉成形术（血管内支架5例），术后10例血压降至正常或基本正常，13例血压得到改善，5例无效，总有效率达82.1%。结论 dsa检查和ptra术在诊断和治疗肾血管性高血压方面有明显的临床价值。高血压，肾血管性；数字减影血管造影术；经皮腔内肾动脉成形术

Describing index: Before the interventional therapy,the number of femoral head 's blood vessel wasslender and the number of ramus anastomoticus was rare.The blood vessel was stegnotic and even was interrupted .The stained range was localized and dark . After the interventional therapy,the embolic blood vessel became easy and smooth . The blood vessel was thick and excurrent .The stained range was wide and light-coloured.

描述性指标：介入治疗前，股骨头供血血管稀少，吻合支少，血管狭窄、中断，对比剂染色范围小，颜色深；介入治疗后闭塞中断和/或严重狭窄的血管再通，髋部血管数量增多，血管径增粗，血管延伸，对比剂染色范围变大，颜色浅。2。

This study is aimed to evaluate the distribution of these risk factors among the stroke patients with or without large artery artherosclerosis intracerebral/extracerebral.

回顾性统计2006年3月至2008年6月在华山医院神经内科诊治的脑梗死患者的一般信息、卒中危险因素、头颈部血管影像学资料，并对上述患者根据头颈部血管影像学资料（B超、CTA、MRA及DSA）对其是否合并有责任大血管狭窄进行分组；应用单因素χ2检验分析各个危险因素在不同分组间的差异，并对危险因素与不同血管病变分组之间的相关性进行多元logistic回归分析。

Conclusions— In patients with intracranial stenosis, higher blood pressure is associated with increased risk of ischemic stroke and stroke in the territory of the stenotic essel.

结论――在有颅内血管狭窄的病人中，较高的血压是和缺血性中风狭窄血管相关的区域性中风的危险性增加有相关关系。

The parameters of perfusion signal intensity-time curve, including upslope、peak signal intensity, and time to peak signal intensity were analyzed for each segment in different groups.

依据冠状动脉造影结果将不同狭窄程度血管所供心肌节段分为四组，即明显狭窄组(血管狭窄≥75％)、中度狭窄组(血管狭窄在50％～74％)、轻度狭窄组(血管狭窄＜50％)及正常组，分析每一节段心肌灌注信号曲线参数(最大斜率、强化峰值及达峰值的通过时间)并比较组间差异。

The effect of 〓 transfer to local artery using gelatin-coated nitinol stents on VSMC proliferation and neointima hyperplasia The canine iliac artery stenosis model (n=10) had been successfully made by retroperitoneal approach and confirmed by angiography.

采用经腹膜外入路建立犬髂动脉狭窄模型，应用常规介入操作技术，通过7F长血管鞘，将携带〓基因的蛋白涂层镍钛合金支架置入血管狭窄部位；用同样方法置入携带LacZ基因蛋白涂层镍肽合金支架作为对照。

This software can show the vessel stenosis, calcification and the relation with surrounding sclerotin clearly. It shows the stenosis section exactly and calculates the degree of stenosis automatically. Conclusion The 16-row CT angiography is no-trauma and can be the first choice in diagnosis of carotid artery stenosis.

结果 17例患者CTA显示颈总动脉、颈外动脉、颈内动脉显示率为100%；颈内动脉狭窄18支，其中轻度狭窄10支，中度狭窄4支，重度狭窄3支，闭塞1支；其软件能清晰显示血管狭窄、钙化和周围骨质的关系，准确显示狭窄段，计算狭窄程度。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。