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논문 기본 정보

자료유형
학술저널
저자정보
전국진 (부산대학교)
저널정보
대한심장학회 Korean Circulation Journal Korean Circulation Journal Vol.45 No.6
발행연도
2015.1
수록면
451 - 456 (6page)

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Background and Objectives: Coronary angiography (CAG) is the gold standard for diagnosing coronary artery disease. However,exposure to ionizing radiation delivered during CAG has various negative biological effects on humans. In this study, there was anevaluation of whether fluorography resulted in decreased radiation exposure, as compared with cineangiography. Subjects and Methods: Fifty-five patients were prospectively enrolled and divided into two CAG groups, in accordance with theoperator’s professional discretion: a conventional cineangiography group versus a fluorography group. Fluorography refers to thephotography of fluoroscopic images that are retrospectively stored, e.g., using the “Store fluoro” function of the Siemens cardiacangiography system. The primary outcomes included the air kinetic energy released per unit mass {air kerma (AK) mGy} and the dose(kerma)–area product (DAP; μGy ∙ m2), both measured using built-in software in the Siemens system. The secondary outcomes includedthe total procedure time and amount of contrast agent used with each CAG method. Results: The total AK and DAP were significantly lower in the fluorography group (159.3±64.9 mGy and 1337.9±629.6 μGy ∙ m2,respectively) than in the cineangiography group (326.9±107.5 mGy and 2341.1±849.9 μGy ∙ m2, respectively; p=0.000 for both). The totalprocedure time (cineangiography vs. fluorography, 12.8±4.7 vs. 12.5±2.9 min; p=0.779) and contrast agent amount (136.1±28.3 vs. 126.3±25.7, p=0.214) were comparable between the two groups. Conclusion: Fluorography is a useful method to decrease the radiation exposure in selected patients requiring CAG

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