Radiation dose benchmarks in pediatric cardiac catheterization: A prospective multi‐center C3PO‐QI study
- 15 February 2017
- journal article
- research article
- Published by Wiley in Catheterization and Cardiovascular Interventions
- Vol. 90 (2), 269-280
- https://doi.org/10.1002/ccd.26911
Abstract
Objectives This study sought to update benchmark values to use a quality measure prospectively. Background Congenital Cardiac Catheterization Outcomes Project – Quality Improvement (C3PO‐QI), a multi‐center registry, defined initial radiation dose benchmarks retrospectively across common interventional procedures. These data facilitated a dose metric endorsed by the American College of Cardiology in 2014. Methods Data was collected prospectively by 9 C3PO‐QI institutions with complete case capture between 1/1/2014 and 6/30/2015. Radiation was measured in total air kerma (mGy), dose area product (DAP) (µGy*M2), DAP per body weight, and fluoroscopy time (min), and reported by age group as median, 75th and 95th%ile for the following six interventional procedures: (1) atrial septal defect closure; (2) aortic valvuloplasty; (3) treatment of coarctation of the aorta; (4) patent ductus arteriosus closure; (5) pulmonary valvuloplasty; and (6) transcatheter pulmonary valve implantation. Results The study was comprised of 1,680 unique cases meeting inclusion criteria. Radiation doses were lowest for pulmonary valvuloplasty (age 15 yrs, median mGy: 1835, DAP: 17990). DAP/kg standardized outcome measures across weights within an age group and procedure type significantly more than DAP alone. Radiation doses decreased for all procedures compared to those reported previously by both median and median weight‐based percentile curves. These differences in radiation exposure were observed without changes in median fluoroscopy time. Conclusions This study updates previously established benchmarks to reflect QI efforts over time. These thresholds can be applied for quality measurement and comparison.Keywords
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