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KMID : 0357520170400010027
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Journal of Radiological Science and Technology
2017 Volume.40 No. 1 p.27 ~ p.34
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Evaluation of Patient Radiation Doses Using DAP Meter in Interventional Radiology Procedures
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Kang Byung-Sam
Yoon Yong-Su
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Abstract
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The author investigated interventional radiology patient doses in several other countries, assessed accuracy of DAP meters embedded in intervention equipments in domestic country, conducted measurement of patient doses for 13 major interventional procedures with use of Dose Area Product(DAP) meters from 23 hospitals in Korea, and referred to 8,415 cases of domestic data related to interventional procedures by radiation exposure after evaluation the actual effectives of dose reduction variables through phantom test. Finally, dose reference level for major interventional procedures was suggested. In this study, guidelines for patient doses were 237.7 Gy·cm2 in TACE, 17.3 Gy·cm2 in AVF, 114.1 Gy·cm2 in LE PTA & STENT, 188.5 Gy·cm2 in TFCA, 383.5 Gy·cm2 in Aneurysm Coil, 64.6 Gy·cm2 in PTBD, 64.6 Gy·cm2 in Biliary Stent, 22.4 Gy·cm2 in PCN, 4.3 Gy·cm2 in Hickman, 2.8 Gy·cm2 in Chemo-port, 4.4 Gy·cm2 in Perm-Cather, 17.1 Gy·cm2 in PCD, and 357.9 Gy·cm2 in Vis, EMB. Dose referenece level acquired in this study is considered to be able to use as minimal guidelines for reducing patient dose in the interventional radiology procedures. For the changes and advances of materials
and development of equipments and procedures in the interventional radiology procedures, further studies and monitorings are needed on dose reference level Korean DAP dose conversion factor for the domestic procedures.
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KEYWORD
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Interventional Radiology , Dose Area Product(DAP) , Radiation Dose , Diagnostic Reference dose Level , Patient Dose
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