Corbetti F, Vigo M, Biondetti P R, Angelini F, Benedetti L
Radiol Med. 1987 Apr;73(4):298-303.
In 23 hemodialytic patients with clinically presumed complications of the vascular access the arteriovenous shunt was studied by high resolution ultrasonography (US) and by angiography. In 21/23 cases US identified the shape of the shunt correctly; in these patients US always showed the alterations of vascular size (stenosis, aneurysm) and complete occlusion, also detecting the intravascular extension of thrombosis. In 3 patients US identified partial venous thrombosis missed on angiography; furthermore, unlike angiography, US gave precise information on the vascular wall and perivascular tissue changes. These findings suggest that US may represent the first imaging procedure in the study of the vascular access in hemodialytic patients; angiography might be performed when US findings are uncertain or when a vascular map is needed for surgery.
在23例临床上推测有血管通路并发症的血液透析患者中，采用高分辨率超声检查（US）和血管造影术对动静脉分流进行了研究。在23例中的21例中，超声检查正确识别了分流的形态；在这些患者中，超声检查总是显示血管大小的改变（狭窄、动脉瘤）和完全闭塞，还能检测到血栓的血管内延伸。在3例患者中，超声检查发现了血管造影遗漏的部分静脉血栓形成；此外，与血管造影不同，超声检查能提供有关血管壁和血管周围组织变化的精确信息。这些发现表明，超声检查可能是血液透析患者血管通路研究中的首选成像方法；当超声检查结果不确定或手术需要血管图谱时，可进行血管造影。
