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血管内     
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  intravascular
     It suggested that intravascular brachytherapy with 192 Ir affects the metabolism of extracellular matrix by inhibiting the synthesis of type I collagen and regulating the activities of MMP 1 and TIMP 1.
     提示192 Ir血管内放射治疗通过抑制I型胶原的合成和调节MMP 1及TIMP 1的活性而影响血管成形术后细胞外胶原的代谢
短句来源
     Study of the hemodynamic disorders of Budd-Chiari syndrome with intravascular Doppler ultrasound
     血管内多普勒超声对Budd-Chiari综合征血流动力学障碍的研究
短句来源
     Intravascular administration of pingyangmycin lipiodol emulsion for Klippel-Trenaunay syndrome:clinical analysis of 7 cases
     平阳霉素碘油乳剂血管内介入治疗Klippel-Trenaunay综合征7例临床分析
短句来源
     The cause of bleeding 40% (12/30) ascribe to disseminated intravascular coagulation ( DIC) and 33. 3% (10/30) ascribe to intraventricala hemorrhage.
     病因中以播散性血管内凝血(DIC)最高,占出血病例中的40%(12/30); 其次为脑室内出血(IVH),占33.3%(10/30);
短句来源
     Objective To investigate the plasma level of D-dimer(D-D), antithrombin-Ⅲ (AT), protein C (PC) and protein S (PS) in disseminated intravascular coagulation (DIC) patients with different etiology and to explore its clinical significance.
     目的检测不同病因引起弥漫性血管内凝血(DIC)患者血浆中D-二聚体(D-D)含量,及抗凝血酶Ⅲ(AT)、蛋白C(PC)、蛋白S(PS)活性,探讨其临床意义。
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  endovascular
     Clinical Applied Study of Endovascular Interventional Treatment for Intracranial Aneurysm
     颅内动脉瘤血管内治疗的临床应用研究
短句来源
     Clinical Applied Study of Endovascular Interventional Treatment for Brain Arteriovenous Malformation
     脑动静脉畸形血管内治疗临床应用研究
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     Experimental Study of ~(32)P Coated Endovascular Stent Inhibiting Neointimal Proliferation in Dogs
     ~(32)P包被血管内支架对犬髂内动脉新内膜增生抑制作用的研究
短句来源
     Endovascular Embolization of Carotid Cavernous Fistulae
     经血管内栓塞治疗颈动脉海绵窦瘘
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     Analysis of Complications in 120 Patients with Cerebral Arteriovenous Malformations Treated by Endovascular Embolization
     120例颅内动静脉畸形血管内治疗的并发症分析
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  intra-vascular
     Optimization of Intra-Vascular Stent Designs
     血管内支架结构的设计优化
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     16 vessels received intra-vascular ultrasound(IVUS) investigation to guide optimal stenting.
     有16例患者行血管内超声指导冠状动脉内介入。
短句来源
     The clinical result of pregnant woman complication:puerperal hemorrhage、heart failure、Lung edema、disseminated intra- vascular coagulation、placental abruption、eclampsia and so on, in total 18 cases,the occurrence rate was 62.1%.
     产妇并发症临床结局:产后出血、心衰、肺水肿、弥漫性血管内凝血、胎盘早剥、子痫等18例,均治愈,发生率62.1%。
短句来源
     Intra-vascular Stenting in the Treatment for Superior Vena Cava Syndrome
     血管内支架治疗上腔静脉综合征
短句来源
     Objective: To compare the effect of direct coronary with or without the guiding of intra-vascular ultrasound (IVUS) on clinical prognosis.
     目的 :比较有无血管内超声 (IVUS)引导的直接冠状动脉内支架术对临床预后的影响。
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  vascular diameter
     the Renold number calculated from Z went large with the vascular diameter,but not over 1000.Conclusion:In small pulmonary vessels of 2~4mm,the Renold number is less than 1000,which indicates the flowing condition in them is laminar flow.
     雷诺数随血管横径的增大而增大 ,但不超过 1 0 0 0。 结论 :2~ 4mm的正常肺小血管内雷诺数 <1 0 0 0 ,流动为层流
短句来源
     Aim To study vascular endothelial function in patients with metabolic syndrome and relationship between risk factors and endothelial function. Methods Brachial artery vascular diameter and blood flow volume were measured after reactive hyperemia and nitroglycerin sublingual nitroglycerin respectively in 35 patients with metabolic syndrome and 21 subjects as normal control by high-resolution ultrasonography.
     为了研究代谢综合征患者的血管内皮功能及与心血管危险因素的相关性 ,采用高分辨率超声测定 2 1例正常对照者、35例代谢综合征患者的肱动脉反应性充血及含服硝酸甘油后的血管内经和血流量的变化。
短句来源
     [Methods]Brachial vascular diameter and blood flow volume were measured after reactive hyperemia and administration of nitroglycerin sublingually respectively in 21 normal control subjects (NL) and 31 patients with type 2 diabetes mellitus (DM) by high-resolution ultra-sonography.
     [方法]采用高分辨率超声,测定21例正常人和31例2型糖尿病患者的肱动脉反应性充血后,以及含服硝酸甘油后的血管内经和血流量的变化。
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      intravascular
    Changes in the intravascular factors that determine increased blood viscosity in venous-blood insufficiency of the lower extremities were revealed by these methods.
          
    Coagulation abnormalities, ranging from a rapid fulminant state of disseminated intravascular coagulation (DIC) to a slight elevation in the level of fibrin(ogen) degradation products, are well recognized in patients with bacterial septicemia.
          
    Infections caused by central venous catheters (CVC) and primary bloodstream infections are the most important infections due to intravascular devices.
          
    To prevent these infections, it is important to examine whether CVC is indicated or can be exchanged for other intravascular devices (e.g., peripheral venous catheter) which are known to have a lower infection rate.
          
    With respect to intravascular infections, insertion into the subclavian vein is recommended and is superior to jugular vein insertions.
          
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      endovascular
    Because of the infraclinoidal position of the aneurysm, endovascular treatment was favored, but could not be performed because of a lethal rebleeding on day 19 of the primary event.
          
    After confirmation of an aneurysm as the bleeding source, the indication for aneurysm occlusion and type of procedure (surgical versus endovascular) is guided by several factors.
          
    Endovascular cooling improves neurological short-term outcome after prehospital cardiac arrest
          
    Recently, another therapeutical option for the treatment of type B dissection has been developed using endovascular stent-grafts.
          
    The patient was treated with an endovascular stent-graft, because of malperfusion of the right leg and chest pain.
          
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      intra-vascular
    In the same period, the patient developed tender red skin lesions and disseminated intra-vascular coagulation.
          
    Terminally, during the course of shock, a disseminated intra-vascular coagulation developed with haemorrhagic or colliquative necroses of brain, liver and pancreas.
          
    The measurements were made with the same scintillation-detector, using the freely diffusible indicator 133 Xenon for flow determinations and the intra-vascular indicator RISA (131I) for volume recordings.
          
    Arterial segments, isolated between ligatures, when examined by intra-vascular contrast techniques, showed penetration of vasa-vasora and formation of intra-arterial granulation tissue which produced myointimal thickening.
          
    Superior vana cava syndrome: A therapy by intra-vascular stenting
          
    更多          
      vascular diameter
    ergonovine tartrate infusions (0.05-20 μg/kg/min, 12 minutes duration) on coronary arteries was studied in 14 conscious dogs instrumented to continuously measure vascular diameter by an ultrasonic dimension gauge using 10-MHz piezoelectric crystals.
          
    Blood flow, arterial velocity, and vascular diameter were measured in patients with retinal vessel occlusion before and after treatment, especially after light coagulation.
          
    Retinal vascular diameter in young subjects with a vasospastic propensity
          
    Concentration response curves revealed no change in vascular diameter for 10-9 to 10-7 M carbachol.
          
    The existence of β-receptors and their possible contribution to the vascular tone of pial arteries was investigated using the microapplication technique combined with the measurement of vascular diameter.
          
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    In anesthetised cats and dogs,sodium antim- ony tartrate,12 mg/Kg intravenously,could mark- edly diminish the intensity of the following circ- ulatory reflexes:the pressor reflexes on occlusion of the carotid artery and on injection of nicotine into the splenic vessels,the pressor and depressor effects on electric stimulation of the central stu- mp of the vagus (vago-sympathetic in dogs).On further analysis,it was found that the antimony compound did not significantly effect either the corresponding actions...

    In anesthetised cats and dogs,sodium antim- ony tartrate,12 mg/Kg intravenously,could mark- edly diminish the intensity of the following circ- ulatory reflexes:the pressor reflexes on occlusion of the carotid artery and on injection of nicotine into the splenic vessels,the pressor and depressor effects on electric stimulation of the central stu- mp of the vagus (vago-sympathetic in dogs).On further analysis,it was found that the antimony compound did not significantly effect either the corresponding actions of the mediators including acetylcholine and adrenaline,or the transmission in the vagal and sympathetic ganglia and their peripheral endings.It was,therefore,most pro- bable that the antimony compound acted on cent- ral links in the reflex arcs of all these circulatory refllexes.In some of these,its depressant action on the liberation from the adrenals might also play an important role.

    于麻醉犬猫进行实验,发现酒石酸锑钠12mg/Kg 静脉注射能显著减弱下列数种循环反射:夹颈动脉与脾臓血管内注入烟碱所致的升压反射,电刺激迷走神神向中段所致的升压反射与降压反射。进一步分析证明,锑剂并不影响植物神经介质乙醯胆碱与肾上腺素的有关作用,也不影响迷走神经节与交感神经节以及它们节后纤维末梢的传导。因此,锑剂在以上循环反射的反射弧中,最大可能即作用于其中枢环节,即有关的皮质下中枢,此外对于肾上腺髓质的抑制作用亦有重要的意义。

    General hypothermia was produced in 27 rabbits under nembutal anesthesia by immersing in an ice water bath, during the course of which, the carotid blood pressure was registered, the depressor and pressor reflexes elicited by faradic stimulation of the central end of the depressor nerve and by temporary occlusion of one side of the carotid artery respectively were examined. Besides, both reflexes were also observed in five nembutalized rabbits with differential brain cooling and in another five with local refrigeration...

    General hypothermia was produced in 27 rabbits under nembutal anesthesia by immersing in an ice water bath, during the course of which, the carotid blood pressure was registered, the depressor and pressor reflexes elicited by faradic stimulation of the central end of the depressor nerve and by temporary occlusion of one side of the carotid artery respectively were examined. Besides, both reflexes were also observed in five nembutalized rabbits with differential brain cooling and in another five with local refrigeration of the sinus and the depressor nerves in order to elucidate the relative importance of the brain and the afferent nerve in the effect of hypothermia. Finally, the influence of adrenaline given intravenously upon the arterial pressure was compared in another 4 rabbits at various levels of general hypothermia. During the course of general hypothermia, the depressor reflex remained unchanged until the colonic temperature fell below 30℃, and then diminished progressively with the further fall of body temperature, finally disappearing at about 22-23℃. The pressor reflex, on the other hand, showed an initial exaggeration followed by gradual diminution. Rewarming of the animal restored both reflexes to the level before cooling. Correlation of the strength of the stimulus with the size of the induced depressor response in the course of general hypothermia revealed in about 1/3 of the cases the characteristic phasic changes of parabiotic inhibition. While the general course of the changes of vascular reflexes with differential brain cooling resembled that in general hypothermia, the former procedure was, however, more effective. The local refrigeration of the afferent nerves produced the least effect. The brain apparently played an important role in the effect of hypothermia on the vascular reflexes. The fact that the pressor response to the injection of adrenaline was still quite significant at the colonic temperature of 22-23℃ indicates that the cardio-vacsular effector was more resistant to the general hypothermia.

    (一)本实验是對家兔全身低溫過程中血管內感受性加壓和減壓反射的變化進行了研究,並闡明了这种變化的機制。 (二)在低溫初期,血管內感受性减壓反射無明顯變化;自31℃以下,反射隨體溫降低而呈直线的減弱。加壓反射則初期增强,隨後減弱。復溫後,兩種反射恢復正常。 (三)選擇性頭部低溫與全身低溫一樣地引起血管內感受性反射的減弱,這說明全身低溫時的上述反射變化主要取决於低溫對神經中樞的作用,而這種作用可能使中樞處於間生性抑制狀態。 (四)低溫對反射弧的傳入和傳出環節以及效應裝置亦有作用;但在一般低溫狀態下,這種作用對反射性效應的影響不大。 (五)低溫至28℃左右時,仍有相當明顯的內感受性反射,這一事實具有一定的臨床意義。本文承吳襄教授指正和馮鎮沅同志提出寶貴意見,陈玉霜同志在工作中给予經常的協助,謹此一併致谢。

    28 male sex-matured rabbits, weighing 2--3kg., were used for the study of theeffects of single and whole body γ-irradiation of 100r, 300r, 500r, 800r and 1000r onthe leucocyte levels of the peripheral and the central blood and the quantitative changesof the cells of the heterophil series in bone marrow. The following results were ob-tained: 1. No significant differences in the numbers of leucocytes of the peripheral and thecentral blood were found in animals before irradiation and in the non-irradiated ones....

    28 male sex-matured rabbits, weighing 2--3kg., were used for the study of theeffects of single and whole body γ-irradiation of 100r, 300r, 500r, 800r and 1000r onthe leucocyte levels of the peripheral and the central blood and the quantitative changesof the cells of the heterophil series in bone marrow. The following results were ob-tained: 1. No significant differences in the numbers of leucocytes of the peripheral and thecentral blood were found in animals before irradiation and in the non-irradiated ones. 2. Significant increase in the number of leucocytes in the peripheral blood (being51--82% greater) was observed in all groups 7 hours after irradiation, whereas thatof the central blood decreased or maintained at the pre-irradiation levels with the ex-ception of the 1000r group which showed increase but was still 48% lesser as comparedwith its corresponding peripheral blood. Hence, significant difference in the leucocytelevels of the peripheral and central blood were found 7 hours after irradiation in all ir-radiated groups. 3. The leucocyte levels of the peripheral and the central blood 24 hours after ir-radiation, in the lower dose groups (100r, 300r and 500r) falled below the pre-irradiationlevels and approached one another very closely, whereas in the higher dose groups (800rand 1000r) only the central one decreased and the peripheral blood was still in a stateof leucocytosis. Hence, in the higher dose group, significant difference in the leucocytelevels of the two kinds of blood 24 hours after irradiation still persisted as in the caseof that 7 hours after irradiation. 4. The difference in the number of leukocytes in the peripheral and the centralblood during the period of the initial leucocytosis is probably brought about by themigration of a great number of leucocytes from the large blood vessels into the small ones(such as arterioles, venules and capillaries) and through the walls of capillaries leucocy-tes moved towards the injuried tissues. Leucocytosis does not occur in the whole bloodcirculation and in most case, it only appears in the peripheral blood. The decrease inthe number of leucocytes in the central blood concomitantly with the leucocytosis of theperipheral one suggests the possibility that the redistribution of leucocytes in blood ves-sels of different diameters rather than the accelerative discharges of the heterophils fromthe marrow plays an important role in the initiation of leucocytosis.

    以28只性成熟的、体重为2—3公斤的雄性家兔为材料,研究了经100伦、300伦、500伦、800伦和1000伦的γ射线一次全身照射后24小时内,周边血,大血管血中白血球和骨髓中异嗜性白血球系细胞数量上的变化,获得了以下的结果: 1.对照组和照射前的动物周边血和大血管血中白血球水平没有统计学上显著性的差别。 2.照射后7小时,周边血的白血球水平都出现显著的升高,较照射前增加了51%—82%,而此时大血管中的白血球水平或减少或维持于照射前的水平,仅在1000伦的一组中略有升高,但与其相应的周边血白血球数比较仍低48%,因而照射后7小时,周边血和大血管血中白血球的水平出现统计学上显著性的差别。 3.照射后24小时,周边血和大血管血中的白血球水平都较照射后7小时的为低。剂量较低的三组100伦、300伦和500伦,此时二种血液中白血球水平已无差异,都下降到照射前的水平之下。剂量较高的二组800伦和1000伦,周边血液中白血球仍较照射前的为高,而大血管中的已低于照射前的水平,因而照射后24小时,此二剂量组的二种血液中白血球水平仍然有统计学上显著性的差别。 4.白血球升高期内,周边血和大血管血中白血球水平的差异,可能为大量...

    以28只性成熟的、体重为2—3公斤的雄性家兔为材料,研究了经100伦、300伦、500伦、800伦和1000伦的γ射线一次全身照射后24小时内,周边血,大血管血中白血球和骨髓中异嗜性白血球系细胞数量上的变化,获得了以下的结果: 1.对照组和照射前的动物周边血和大血管血中白血球水平没有统计学上显著性的差别。 2.照射后7小时,周边血的白血球水平都出现显著的升高,较照射前增加了51%—82%,而此时大血管中的白血球水平或减少或维持于照射前的水平,仅在1000伦的一组中略有升高,但与其相应的周边血白血球数比较仍低48%,因而照射后7小时,周边血和大血管血中白血球的水平出现统计学上显著性的差别。 3.照射后24小时,周边血和大血管血中的白血球水平都较照射后7小时的为低。剂量较低的三组100伦、300伦和500伦,此时二种血液中白血球水平已无差异,都下降到照射前的水平之下。剂量较高的二组800伦和1000伦,周边血液中白血球仍较照射前的为高,而大血管中的已低于照射前的水平,因而照射后24小时,此二剂量组的二种血液中白血球水平仍然有统计学上显著性的差别。 4.白血球升高期内,周边血和大血管血中白血球水平的差异,可能为大量白血球由大血管流入小血管(如小动脉、小静脉和微血管)或者由于这些血管管壁的内皮粘着性发生改变吸附着更多的白血球,并由后者输向受伤组织所引起的。照射后24小时内,白血球的升高并不包括全部血液白血球的升高,在绝大多数情况下仅在周边血液中有所升高,由此可知照射后24小时内白血球的升高主要由于白血球在不同口径血管内重新分配的结果而非完全由于骨髓加速释放所致。 5.照射后24小时内,白血球升高是一种由于放射毒素引起的发炎反应,伴有动物的体温升高和异嗜性白血球内糖原含量的显著增多。

     
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