Author： M011011011011011011urakami R. M011011011011011011achida M. T011011011011011011ajima H. H011011011011011011ayashi H. U011011011011011011chiyama N. K011011011011011011umazaki T.
Publisher： Blackwell Publishing
ISSN： 0284-1851
Source： Acta Radiologica, Vol.43, Iss.3, 2002-06, pp. : 340-343
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Abstract
Abstract Purpose:To clarify the effect of the contrast medium iopamidol on endothelial function and response of vasoactive peptide, as measured by changes in the levels of plasma endothelin, nitric oxide and atrial natriuretic peptide. Material and Methods:Thirteen patients received iopamidol 300 mg I/ml intra-arterially during routine abdominal angiography. The mean volume of contrast medium administered was 208.1±32.5 ml. Endothelin, nitric oxide and atrial natriuretic peptide were measured before and after angiography. Results:Endothelin levels increased significantly (from 1.45±0.12 pg/ml to 1.90±0.10 pg/ml) after exposure to contrast medium. Nitric oxide levels decreased significantly (from 34.56±2.23 μmol/ to 25.43±1.83 μmol/l). Atrial natriuretic peptide levels increased significantly (from 11.43±1.68 pg/ml to 21.28±2.89 pg/ml). Conclusion:Exposure to contrast medium in humans is associated with an increase in plasma endothelin levels and a decrease in nitric oxide levels, and atrial natriuretic peptide levels also increase following CM injection.
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