Real-Time Quantification and Display of Skin Radiation During Coronary Angiography and Intervention
作者： Ad den Boer , Pim J. de Feijter , Patrick W. Serruys , Jos R.T.C. Roelandt
关键词: Entrance skin dose 、 Nuclear medicine 、 High doses 、 Radiation 、 Adult patients 、 Radiography 、 Skin Injury 、 Coronary angiography 、 Ionization chamber 、 Medicine
摘要: Background Radiographically guided investigations may be associated with excessive radiation exposure, which cause skin injuries. The purpose of this study was to develop and test a system that measures in real time the dose applied each 1-cm2 area skin, taking into account movement x-ray source changes beam characteristics. goal such is help prevent high doses might injury. Methods Results entrance point, size, at patient were calculated by use geometrical settings gantry, investigation table, an ionization chamber. data are displayed graphically. Three hundred twenty-two sequential cardiac adult patients analyzed. mean peak per 0.475 Gy 8.2 cm2. cumulative KERMA-area product 52.2 Gy/cm2 (25.4 99.2 Gy/cm2), size 49.2 ...
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