查询词典 venous aneurysm

There is presently no effective treatment available.in recent years,people highlight on reinfusing the affected vein,chorioretinal venous anastomosis allows obstructed venous blood to exit the retinal circulation via the choroid,thus bypassing the site of occlusion,so to recover retinal perfusion lessening complications.

近年来，越来越多的学者致力于恢复患眼视网膜静脉回流的研究，如通过脉络膜视网膜静脉吻合以尽快解除静脉阻塞，恢复视网膜灌注，从而提高视力，减少并发症的发生。

Part II: Experimental study of artificial extravascularvenous valve To design an artificial extravascular venous valve and to validate its function of preventing venous reflux.

二静脉外间接人造瓣膜的急性期实验研究材料和方法：设计一种放置在静脉壁外的人造瓣膜，验证该人造瓣膜的抗返流作用。

To investigate the change of the portal venous pressure, conjugated glycocholic acid and pancreatic glucagon concentration in rats peripheral and portal venous blood in the course of experimental liver cirrhosis induced with carbon tetrachloride and to investigate the mentioned changes after portal-azygous devascularization.

袁晖应用四氯化碳诱发建立大鼠肝硬变模型，以观察大鼠肝硬变形成过程中和行门奇静脉断流术后门静脉压力、门脉及外周静脉血中甘氨胆酸和胰高糖素的变化。

Results The 47 cases etiologies of various hepatic perfusion disorders were classified: arterioportal fistulae in 9 cases, inflammatory hyperemic changes in 8 cases, portal venous inflow and hepatic venous outflow obstruction in 13 cases, steal phenomenon by tumors in 4 cases, aberr...

结果47例肝脏灌注异常，有以下几种情况：肝动脉门静脉瘘9例，炎症性充血8例，门静脉、肝静脉阻塞13例，肿瘤盗血现象4例，肝脏迷走血供2例和其它原因1例。结论多层螺旋CT三期增强扫描是评价肝脏异常灌注的有效方法。

Central venous pressure, mean arterial pressure, the ratio of lactic acid to pyruvic acid in venous blood, systemic inflammative response syndrome, volume of blood and fluid administrated intra- and post- operatively, complications and the therapeutic outcomes were determined in each group.

分别测定各组病人术后中心静脉压、平均动脉压、静脉血乳酸与丙酮酸比值、术中和术后输血、输液量、全身性炎症反应综合症发生率、并发症发生率和治疗结果。

Several factors increase the risk of a first hemorrhage: a small malformation, exclusively deep venous drainage (both of which are easily detected by brain imaging and cerebral angiography), and high intranidal pressure, which is reflected by high pressures in the feeding arteries or restriction of venous outflow.

增加的首次出血风险的几个因素：小的血管畸形，完全是深静脉引流（这两者都很轻易通过脑成像与脑血管造影检测）；高颅压，是由于供血动脉压力增高或静脉引流不足造成。

Intraosseous venography in patients with avascular necrosis of the femoral head demonstrated widespread abnormalities in the venous drainage system, indicating that venous circulation is a factor in and contributes to progression of this disorder.

骨内静脉造影患者的缺血性坏死的股骨头普遍表现出异常的静脉异位引流系统，这表明静脉循环中的一个因素，并有助于推进这一障碍。

A central venous catheter was inserted for hemodynamic monitoring and blood transfusion. Cardiac tamponade occurred secondary to perforation of the superior vena cava by the central venous catheter. The patient's hemodynamic status became stable after pericardiocentesis. One week later she was discharged with no sequelae during the three month follow-up.

患者术后装置中央静脉导管以利於血行动力的评估及输血，病患进行中央静脉导管术时因上腔静脉穿刺破裂导致心包膜填塞及休克，经紧急照会心脏科医师后立即给予心包膜穿刺术，术后患者血压渐趋稳定情况好转於一星期后出院，经过三个月的追踪亦无后遗症。

Uterine obstruction of venous return can produce prearrest hypotension or shock and in the critically ill patient may precipitate arrest.1,2In cardiac arrest the compromise in venous return and cardiac output by the gravid uterus limits the effectiveness of chest compressions.

在怀孕20周以后，妊娠子宫挤压下腔静脉和主动脉，使静脉回流和心输出量受阻。子宫静脉回流受阻会导致停跳前高血压或休克，对病情危重的患者促进心跳停止[1，2]，同时，妊娠子宫还限制肺的舒张。

In comparison with normal broilers,the preascitic and ascitic broilers had lowerPO2,O2 saturation,and pH levels,lower venous O2 content,but had higher CO2 content inboth arterial and venous blood,higher arterial O2 content and higher tissue O2 extractionindex.

本研究测定了这三种肉鸡的平均肺动脉压、平均右心室压、心电图II导联S和RS波幅、动静脉血血气、红细胞压积、右心肥大指数，并分析了这些指标之间的相关性。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。