Projected Future Cancer Risks in Children Treated With Fluoroscopy-Guided Cardiac Catheterization Procedures
2018
Background Children treated with cardiac catheterization procedures have now a long life expectancy and consequently potential long-term radiation-induced risks. We projected lifetime attributable risks (LARs) of cancer incidence from the most frequent procedures in pediatrics: atrial septal defect closure, patent ductus arteriosus occlusion, or pulmonary valvuloplasty. Methods and Results Organ equivalent doses were estimated for 1251 procedures performed in children aged ≤15 years at 2 reference catheterization centers in France from 2009 to 2013. Sex-specific LARs were projected in lifelong nonsmokers using extended Committee on Biological Effects of Ionizing Radiation VII risk models and considering various sources of risk projection uncertainties and dose variability (Radiation Risk Assessment Tool software). Median LARs ranged between 0.3 and 1.4 (atrial septal defect closure), 0.6 and 5.0 (patent ductus arteriosus occlusion), and 1.0 and 12.0 (pulmonary valvuloplasty) per 1000 procedures, depending...
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