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KMID : 1151820160100030181
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Journal of the Korean Society of Radiology
2016 Volume.10 No. 3 p.181 ~ p.186
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Comparison of Operator Radiation Exposure Dose undergoing Cardiac Angiography and Cardiac Intervention
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Kim Jung-Su
Kwon Soon-Mu
Jung Hae-Kyoung
Lee Bong-Ki
Ryu Dong-Ryeol
Kwon Ho-Seok
Cho Byung-Ryul
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Abstract
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Cardiac angiography(CA) or cardiac intervention(CI) is one of the major examination methods applied to the detection of cardiovascular diseases using X-rays. These CA and CI procedures require radiation exposure to patients and physicians. We evaluated the radiation dose to cardiac operator during the each case of CA and CI procedures. The number of patients is 113 patients in CA and 34 patients in CI. Mean fluoroscopy time, mean cine time, and mean total cumulative dose area product(DAP) in patients during CA and CI was 165.9 sec vs. 1200.0 sec, 30.31 sec vs 107.5 sec, and 37130.3 mGy.㎠ vs 213312.6 mGy.㎠, respectively. Mean dose of thyroid, over chest apron and under chest apron in operator during CA and CI was 15.84 uSv vs 89.81 uSv, 20.16 uSv vs 123.20 uSv, and 0.30 uSv vs 2.40 uSv, respectively. Mean effective dose of operator during CI was about 6 times greater than during CA. Also there was significant inter-relationship between fluoroscopy or cine time and effective dose in operator during CA and CI(p=0.001 and p=0.001, respectively).
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KEYWORD
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cardiac angiography radiation dose, cardiac intervention radiation dose, operator radiation dose, effective dose
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