Effective Radiation Dose in Computed Tomographic Angiography of the Chest and Diagnostic Cardiac Catheterization in Pediatric Patients
作者： Timotheus G. Watson , Eugene Mah , U. Joseph Schoepf , Lydia King , Walter Huda
DOI: 10.1007/S00246-012-0486-2
关键词:
摘要: Computed tomographic angiography (CTA) and cardiac catheterization are useful adjuncts to echocardiography for delineating cardiovascular anatomy in pediatric patients. These studies require ionizing radiation, it is paramount understand the amount of radiation patients receive when these tests performed. Modern dosimetry methods facilitate conversion doses varying units into an effective dose. To compare dose between nongated CTA chest diagnostic This a retrospective cohort study who underwent either or July 2009 April 2010. Fifty were included each group as consecutive samples at single tertiary care center. An (mSv) was formulated using factors group. The median (ED) 0.74 mSv compared with 10.8 (p < 0.0001). ED children <1 year age 0.76 13.4 Nongated exposes 15 times less than catheterization. Unless hemodynamic data necessary, should be considered lieu known presumed disease need additional imaging beyond
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