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KMID : 0357520100330030213
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Journal of Radiological Science and Technology
2010 Volume.33 No. 3 p.213 ~ p.221
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Radiation Dose and Estimate of Lifetime Attributable Risk of Cancer from Coronary Angiography and Percutaneous Coronary Intervention
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Kang Young-Han
Kim Boo-Soon
Park Jong-Sam
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Abstract
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The Purpose of this study was to determine the effective dose to an average patient from Coronary Angiography (CA) and Percutaneous Coronary Intervention (PCI). And to estimate the lifetime attributable risk (LAR) of cancer associated with radiation exposure from CA and PCI. The dose-area product (DAP) values to the patient were recorded from 60 CA and 58 PCI. A Monte Carlo based program PCXMC was used to calculate the effective dose from DAP values for each patient. Lifetime attributable risks were estimated with models developed in the National Academies’ Biological Effects of Ionizing Radiation VII report. The mean DAP values was for CA and for PCI. Mean effective dose were 1.28 mSv in CA, 3.94 mSv in PCI. Results of Calculate organ dose, lung doses was 2.17 mSv in CA and 6.71 mSv in PCI. Female breast doses was 5.45 mSv in CA and 16.82 mSv in PCI. LAR estimates for CA varied from 1 in 1,508 for man to 1 in 1,357 for women. In PCI procedure varied from 1 in 553 for man to 1 in 482 for women. DAP can be used as the dose indicator to calculate the organ dose and effective dose of patient based on Monte Carlo simulation. These dose estimates derived from our simulation models suggest that CA and PCI are associated with a nonnegligible LAR of cancer. This risk varies markedly and is considerably greater for women, PCI than for man, CA.
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KEYWORD
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Coronary angiography, Effective dose, Organ dose, Lifetime attributable risk
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