Reduction in radiation exposure during coronary angiography

Catheterization and Cardiovascular Diagnosis
M L CarpenterG J Dehmer

Abstract

In addition to lead shielding, increased distance between the operator and x-ray source will lower radiation exposure. To utilize this principle, we interposed a 24 in. piece of pressure tubing between the catheter used for coronary angiography and the manifold apparatus. Radiation exposure to the hand of the operator during coronary angiography was compared with and without the extension tubing. When corrected for the differences in exposure time, operator exposure was 5.38 mrem/min without the extension and 4.84 mrem/min with the extension. Although this is a small difference in exposure/min, a substantial reduction in exposure could accumulate over a 1 yr period. Insertion of this extension tube into the catheter system is a simple and safe way to further reduce operator exposure during coronary angiography.

References

Jan 1, 1985·The American Journal of Cardiology·S W Miller, F P Castronovo
Apr 1, 1971·Radiology·G J WoldS K Agarwal
Sep 1, 1981·Radiology·M Gustafsson, A Lunderquist

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Citations

Apr 1, 1991·Catheterization and Cardiovascular Diagnosis·P Wilmshurst
Sep 1, 1991·Catheterization and Cardiovascular Diagnosis·S C Grant, D H Bennett
Sep 1, 1993·Catheterization and Cardiovascular Diagnosis·T J LinnemeierR V Riddell

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