J.Jpn. Surg. Soc.. 82(2): 181-192, 1981

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Original article

RI ANGIOGRAPHY FOR VASCULAR DISEASES

Radionuclide angiography is one of the noninvasive diagnostic modality in vascular diseases which will enable to visualize the luminal morphological aspects of peripheral arteries. Although this method is safe and simple, it has not been widely used in the diagnosis and management of these diseases because of the poor resolution compare to the conventional contrast angiography.
A comparative study for the screening and postoperative follow up was undertaken between RI and conventional angiography to evaluate accuracy and usefullness of the method. RI angiography were performed 193 times on 134 patients during three years period from March, 1976 to March, 1979.
The results were summerized as follows.
1) Aneurysm was a very good indication for RI angiography. Diagnosis was correctly made in 92.5%.
2) Occlusive and stenotic lesion at aorta and ilio-femoral arteries were correctly demonstrated in 93.5%, however, infrapopliteal segment of arteries could not be accessed.
3) In A-V malformation, early filling as well as pooling in venous system were visualized.
4) This method provided adequate approach in the evaluation of graft patency in arterial reconstruction, especially extraanatomical bypass.
5) Differentiation between stenosis, tortousity and short segmental occlusion in common iliac portion was difficult, the diagnostic accuracy was only 73.7%.

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