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KMID : 0357520230460020123
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Journal of Radiological Science and Technology
2023 Volume.46 No. 2 p.123 ~ p.129
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A Study of Diagnostic Reference Levels for Coronary Angiography and Percutaneous Coronary Intervention in Gyeongsang Area
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Lim Si-Wang
Kim Jung-Su
Cho Pyong-Kon
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Abstract
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Interventional cardiology procedures can involve relatively high radiation doses compared to conventional radiography. During CAG, CAG + PCI and PCI the same area is exposed to radiation for a long period. In this study, radiation exposure data of 421 examinations in Gyeongsang area were collected, and the DRLs and ADs in actual medical practice for three types of interventional cardiology procedures in Korea were established. In CAG 286 case, 75th percentile DRLs and ADs of the total DAP were 55.89 Gy·cm2 and 37.47 Gy·cm2 , respectively. In CAG + PCI 92 case, those values were 222.84 Gy·cm2 and 117.51 Gy·cm2 respectively. In PCI 43 case, those values were 198.73 Gy·cm2 and 120.13 Gy·cm2 respectively. In this study, for the first time, the diagnostic reference level of interventional cardiology procedures in Gyeongsang area were established. Using the diagnostic reference level of interventional cardiology procedures derived from this study, it will help to identify and improve the level of exposure dose in the region and country.
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KEYWORD
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CAG: Coronary Angiography, PCI: Percutaneous Coronary Intervention, DRLs: Diagnostic Reference Levels, ADs: Achievable Dose, DAP: Dose Area Product
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