本发明涉及一种含钆大分子磁共振血管造影剂及其制备方法。
The invention relates to a gadolinium-containing macromolecule magnetic resonance intravascular contrast medium and a preparation method thereof.
超声造影剂能帮助显示肿瘤内微小低速的血流，提高超声对肿瘤血管显示的准确性。
Ultrasound contrast agent is helpful to the display of the tiny and slow blood flow in breast tumors, and can improve the accuracy of ultrasound.
目的探讨自制造影剂和超声显像新技术在诊断实验性转移性肝癌血管特征中的应用价值。
Objective To investigate the application of a self made echo contrast agent and power Doppler imaging of ultrasonography on the vascularity of hepatic metastasis in experimental rabbits.
目的：观察血管内磁敏性造影剂超顺磁性氧化铁微粒(SPIO2)显示急性心肌梗塞灶的可能性和优越性。
Objective: To evaluate the feasibility and advantage of MRI with the intravascular susceptibility contrast agent, superparamagnetic iron oxide (SPIO2), in demonstrating acute myocardial infarction.
结论使用超声造影剂可明显增强颅内血管信号强度，提高颅内动脉瘤的检出率。
Conclusions Ultrasound contrast agent Levovist improves signal of blood flow obviously. It increases the diagnostic accuracy for intracranial aneurysms and the level of confidence.
同时采用超声辐射力法以增加靶向性微泡造影剂在血管壁上的黏附效率，改善成像的性能。
Meanwhile, the ultrasonic radiation force method is used to get the higher adhering efficiency for the targeted micro-bubble contrast agent, which will improve the imaging quality.
CTA显示梗塞区血管痉挛、收缩、中断，显示出血区造影剂外漏、局部呈无血管区。
CTA scanning revealed blood vessels convulsion, constriction and obstruction in infarct area.
血管造影或者血管介入手术中应用大量的造影剂是急性肾功能不全或某些患者出现永久性肾功能不全的一个危险因素。
Having an angiogram or a procedure with a large load of contrast dye is a risk factor for developing acute renal insufficiency, or in some cases permanent renal insufficiency.
结果43例显示了非常清晰的三维颅内血管影像，仅2例因注射造影剂速度较慢而三维影像不满意。
Results 43 cases demonstrated very clear 3D intracranial vascular images. Only 2 cases with 3D image was insufficient, because the contrast injected rate was slight slowly.
心脏穿孔和壁间造影剂沉积是选择性心血管造影严重并发症之一。
Cardiac perforation with intramural deposition of contrast agent is a severe com-plication of selective angiocardiography.
结论经静脉超声造影剂能够显著增强下肢动脉彩色血流信号，有助于下肢血管病变的诊断。
Conclusions Intravenous ultrasound contrast agent could give rise color Doppler signals in lower limb arteries, and help to make lower limb artery disease diagnosis to a more accurate extent.
方法使用ZWF -J 6型微粒分析仪和尼康ysz - H型显微镜，检测和观察血管造影术中造影剂不溶性微粒的数量和形状。
Methods the number of insoluble particles in angiography was detected by the ZWF-J6 particle analysis instruments and the shape was observed by a YSZH microscope.
比较注射前后小动脉、小静脉及毛细血管内径的变化，测定红细胞与两种造影剂在微循环内的流速。
The diameter of the arterioles, venules and capillaries before and after injection were compared. The velocity of the red blood cells and the contrast agents were measured.
比较注射前后小动脉、小静脉及毛细血管内径的变化，测定红细胞与两种造影剂在微循环内的流速。
The diameter of the arterioles, venules and capillaries before and after injection were compared. The velocity of the red blood cells and the contrast agents were measured.
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