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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 27:742-743, April 2006
© 2006 American Society of Neuroradiology

Technical Note
INTERVENTIONAL

Radiation Exposure to the Primary Operator During Endovascular Surgical Neuroradiology Procedures

K.F. Layton^a, D.F. Kallmes^a, H.J. Cloft^a, B.A. Schueler^a and G.M. Sturchio^b

^a Departments of Radiology, Mayo Clinic, Rochester, Minn
^b Radiation Safety, Mayo Clinic, Rochester, Minn

Address correspondence to Kennith F. Layton, MD, Mayo Clinic Rochester, 200 First St S.W., Rochester, MN 55905

SUMMARY: Endovascular surgical neuroradiologists can receive a substantial amount of occupational radiation exposure. We evaluated the amount of radiation exposure that results from the practice of performing hand injections during digital subtraction angiography (DSA). The primary operator can significantly decrease the radiation dose by leaving the room for DSA procedures. However, the total radiation dose for the primary operator is relatively low and is certainly within allowable regulatory limits when extrapolated to a yearly dose.

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