CLINICAL EVALUATION OF PERIPHERAL INTRAVENOUS DIGITAL SUBTRACTION ANGIOGRAPHY (II. Present Status and Future of Digital Radiography)

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  • FUJII KYOICHI
    Department of Diagnostic Radiology and Nuclear Medicine, National Medical Center Hospital
  • YAMADA HIROKI
    Department of Diagnostic Radiology and Nuclear Medicine, National Medical Center Hospital
  • KOGA ISSEI
    Department of Diagnostic Radiology and Nuclear Medicine, National Medical Center Hospital
  • NONAKA TAKAO
    Department of Diagnostic Radiology and Nuclear Medicine, National Medical Center Hospital
  • KOBAYASHI KAZUMI
    Department of Diagnostic Radiology and Nuclear Medicine, National Medical Center Hospital
  • HIRANO KEIZO
    Department of Diagnostic Radiology and Nuclear Medicine, National Medical Center Hospital

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Other Title
  • 4.末梢静脈, 静注法DSAの臨床評価(II.ディジタルラジオグラフィーの現状と将来)

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Abstract

Intravenous digital subtraction angiography of 434 cases has been evaluated in the National Medical Center Hospital. All these cases were injected from peripheral vein with insertion of 5 cm length cannula of 19G. After the injection of contrast material, 5% glucose solution is continuously infused. The evaluation has been performed with the image impression quality which is superior or inferior compared with a selective angiogram. Excellent means superior quality to selective angiography, good means compatible to angiography of catheter technique, fair means inferior to the angiography and in these case the diagnosis is easily made, but poor means that image is obscure and failed to make a correct diagnosis. The volume of contrast material is also checked with image quality. Twenty ml and 40 ml groups were divided. Among the 434 cases, 30 cases were excellent and 50 cases were poor. As much as the volume of the contrast material is concerned, 6 cases were observed to be excellent and 65 good in the 20 ml group of 234 patients ; and 23 cases were proven to be excellent and 120 good in the 40 ml group of 207 patients. In the proximal part of extremities, there were very few differences in image quality between the 20 ml and 40 ml groups. However, in the distal part, the 40 ml group showed superior quality, and 40 ml of the contrast material injection is recommended to demonstrate the peripheral vessels. The peripheral venous injection DSA is a very useful procedure of angiogram for the outpatients and pediatrics and cases thought to be serious. This IVDSA system is one of the less invasive and advantageous image modalities.

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