The objective is to explore the roles of color Doppler vena contracta in the evaluation of mitral regurgitation grading.

目的是探讨彩色多普勒静脉收缩术在评估二尖瓣反流分级中的作用。

The right atrium and vena cava were remarkably dilated.

右心房高度扩大，腔静脉亦显著扩张。

The right atrium receives deoxygenated blood from vena cava.

右心房接受从大静脉来的缺氧血液。

The rest of the patients are well to puncture the vena cava.

其余患者穿刺均顺利到达上腔静脉。

This is the classic finding of a persistent left superior vena cava.

这是典型的永存左位上腔静脉。

The two main veins that connect to the heart are called the vena cava.

两个与心脏相连的主静脉叫做大静脉或腔静脉。

The association of horseshoe kidney with left inferior vena cava is rare.

马蹄型肾合并左下腔静脉是相当罕见的病例。

Suprahepatic inferior vena cava was anastomosed end-to-end with running suture.

肝上下腔静脉用端端吻合连续缝合的方法。

Methods Balloon dilation of inferior vena cava and endovascular stent were applied.

方法下腔静脉球囊扩张和血管内支架放置术。

Objective: To explore the treatment of Superior Vena Caval Syndrome caused by tumor.

目的：对肿瘤所致上腔静脉综合征的治疗进行探讨。

Objective To discuss hepatic hemodynamics during inferior vena cava (IVC) was occluded.

目的探讨缩窄下腔静脉(IVC)对肝脏血流动力学的影响。

Objective to probe into the value of CDFI in diagnosis of acute deep lower vena thrombosis.

目的探讨彩色多普勒超声在急性下肢深静脉血栓诊断中的应用价值。

Purpose:To study the diagnosis and treatment of renal cell carcinoma with vena cava involvement.

目的：提高肾细胞癌伴静脉癌栓的诊治效果。

Conclusion The vena cava filter implantation is a effective method to prevent pulmonary embolism.

结论腔静脉滤器置入是预防肺动脉栓塞的有效方法。

Modified whole liver blood blocking was an effective way for the repair of post-hepatic vena injury.

改良式全肝血流阻断对修复肝后静脉损伤是一种有效方法。

Objective To explore the effective treatment of hepatic segmental interior vena cava(IVC) obstruction.

目的探讨肝段下腔静脉阻塞症的有效治疗方法。

Method : We accept indwelling needle at vena saphena magna near medial malleolus and cephanus vena at wrist.

方法：选择下肢内踝大隐静脉和上肢腕部头静脉，使用静脉留置针。

Objective: To explore the roles of color Doppler vena contracta in the evaluation of mitral regurgitation grading.

目的：探讨彩色多普勒过返流口宽度在估测二尖瓣返流程度中的作用。

Objective To study ways of exposure and repair for severe hepatic injury complicated with post-hepatic vena rupture.

目的探讨并发肝后静脉损伤的严重肝损伤时损伤静脉的显露和修复。

Objective To evaluate the clinical application of permanent vena cava filter in patients with deep venous thrombosis.

目的探讨下肢深静脉血栓形成患者植入永久性腔静脉滤器的临床应用。

This is the final level at which to recognize an inferior vena cava interruption with azygos or hemizygos continuation.

此切面是辨别上腔静脉连续性中断，而奇静脉或半奇静脉连续性正常。

Objective To evaluate the surgical approach of left superior vena cava distal abnormalities in infant and young children.

目的评价左上腔静脉回流异常的外科治疗价值。

No wonder we still love to experience the thrill of a well-launched parabolic projectile - vena cartoon of an angry bird.

怪不得我们现在还是激动于抛物线投掷的乐趣，即使只是一只卡通的愤怒小鸟。

The filters were placed via femoral vein to the inferior vena cava in 15 patients and to the superior vena cava in 1 patient.

滤网经股静脉或右颈内静脉置入腔静脉，其中下腔静脉滤网15 例， 上腔静脉滤网1 例。

For most patients with PE, we recommend against the routine use of a vena caval filter in addition to anticoagulants (Grade 1a).

PE大部分患者，我们不推荐在抗凝基础上常规放置腔静脉滤器(1 A)。

Objective to study the rule of respiratory changes of flow parameters of superior vena cava when right atrium pressure increased.

目的探讨右心房压力升高时上腔静脉血流参数随呼吸运动变化的规律。

Objective To evaluate the clinical application of permanent vena cava filter (P-VCF) in patients with deep venous thrombosis (DVT).

目的探讨下肢深静脉血栓形成患者植入永久性腔静脉滤器的临床应用。

Conclution The bird's nest inferior vena cava filter implantation is a safe and effective method to prevent pulmonary thromboembolism.

结论鸟巢式下腔静脉滤器用于预防肺动脉血栓栓塞是一种安全有效的方法。

Objective: to explore nursing measures of superior vena cava syndrome (SVCS) due to lung cancer treated by endovascular stent implantation.

前言：目的：探讨血管内支架置入治疗肺癌伴上腔静脉阻塞综合征的护理措施。