Factors Affecting the Patient's Skin Dose During Percutaneous Coronary Intervention for Chronic Total Occlusion
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概要
- 論文の詳細を見る
Background The aim of this study was to measure the patient entrance skin dose (ESD) during percutaneous coronary intervention (PCI) for chronic total occlusion (CTO), and assess the factors that affect it. Methods and Results Radiosensitive indicators were used to measure ESDs during 23 procedures. Multiple regression analysis identified the strength of the linear relationship of the dependent variable (the natural logarithm of the maximum ESD) with the set of multiple independent variables (the natural logarithm of both the patient and angiographic data). The methods for estimating the maximum ESD and the estimated ESDs were compared with the actual ESDs. The average maximum ESD for all the patients was 2.7±1.5Gy (median: 2.6Gy). The natural logarithm of the maximum ESD correlated well with the natural logarithm of body mass index (BMI; p=0.0112), total fluoroscopic time (TFT; p=0.0002), and Frame Fixation Rate (p=0.0014). For the higher Frame Fixation Rate group, there were significant correlations between the BMI^2×TFT value and maximum ESD (r=0.972, p<0.0001), and the TFT and maximum ESD (r=0.968, p<0.0001). There were no significant correlations for the lower Frame Fixation Rate group. Conclusions In PCI for CTO, the BMI^2×TFT value or TFT is a good predictor of radiation skin injury risk, when the beam angulation is not changed frequently. It is important to change the beam angulation to control ESD during a prolonged procedure.
- 社団法人日本循環器学会の論文
- 2007-01-20
著者
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YOKOYAMA Naoyuki
Department of Cardiology, National Cardiovascular Center
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古井 滋
帝京大学医学部附属病院中央放射線部
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古井 滋
帝京大学医学部泌尿器科
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古井 滋
帝京大学 医学部放射線科学教室
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古井 滋
帝京大学放射線科
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Kozuma Ken
Department of Cardiology, Teikyo University Hospital
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Isshiki Takaaki
Department of Cardiology, Teikyo University Hospital
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KOZUMA Ken
Teikyo University School of Medicine
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鈴木 滋
帝京大学放射線科
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Suzuki Shigeru
Department of Radiology Teikyo University School of Medicine
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Furui Shigeru
Department of Radiology Teikyo University School of Medicine
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Isshiki Takaaki
The Department Of Medicine Teikyo University School Of Medicine
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Isshiki Takaaki
Department Of Cardiology Teikyo University School Of Medicine
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Yamamoto Yoshito
Department of Cardiology, Iwate Prefectural Central Hospital
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Kozuma Ken
CardioCore Japan
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Kozuma Ken
Department Of Cardiology Teikyo University Hospital
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Kozuma Kumiko
Tokai University School of Medicine
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Isshiki Takaaki
Department Of Internal Medicine Teikyo University
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Endo Goro
Department of Internal Medicine Teikyo University
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Endo Goro
Department Of Medicine Teikyo University School Of Medicine
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ISHIHARA TADAYUKI
National Higashisaitama Hospital
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Yokoyama Naoyuki
Department Of Cardiology Teikyo University School Of Medicine
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古井 滋
Department Of Radiology Teikyo University School Of Medicine
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Yokoyama Naoyuki
Department Of Cardiology National Cadiovascular Center
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Isshiki Takaaki
Department Of Cardiology
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Yamamoto Yoshito
Department Of Cardiology Tokorozawa Heart Clinic
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Yokoyama Naoyuki
Department Of Medicine Teikyo University School Of Medicine
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Kozuma Ken
Division Of Cardiology Teikyo University School Of Medicine
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Suzuki Shigeru
Department Of Cardiac Surgery The Jikei Univ. School Of Medicine. Aloka Co .ltd .
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Suzuki Shigeru
Department Of Applied Physics Faculty Of Science Science University Of Tokyo
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Isshiki Takaaki
Second Department Of Medicine Teikyo University School Medicine
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Endo Goro
Department Of Cardiology Kanto Medical Center Nttec
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FURUI Shigeru
Department of Radiology, Teikyo University School of Medicine
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Suzuki Shigeru
Department of Radiology, Teikyo University School of Medicine
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