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  • Title: [High-resolution echography and angiography in the study of vascular accesses for hemodialysis].
    Author: Corbetti F, Vigo M, Biondetti PR, Angelini F, Benedetti L.
    Journal: Radiol Med; 1987 Apr; 73(4):298-303. PubMed ID: 3554408.
    Abstract:
    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.
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