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Direct physician reporting is associated with reductions in radiation exposure in pediatric cardiac catheterizations
Author(s) -
Nicholson George T.,
Gao Kevin,
In Kim Sung,
Kim Dennis W.,
Vincent Robert N.,
Balfour Virginia,
Petit Christopher J.
Publication year - 2015
Publication title -
catheterization and cardiovascular interventions
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.988
H-Index - 116
eISSN - 1522-726X
pISSN - 1522-1946
DOI - 10.1002/ccd.26098
Subject(s) - medicine , cath lab , cardiac catheterization , kerma , radiation exposure , dose area product , nuclear medicine , surgery , cardiology , conventional pci , dosimetry , myocardial infarction
Objective The objective is to quantify radiation dose in children undergoing cardiac catheterization and determine the impact of increased reporting transparency on total radiation exposure. Background: Cardiac catheterization (cath) can result in significant radiation exposure in children. There has been growing interest in quantifying and reducing radiation exposure in pediatric cath procedures. Our center underwent a slight change in practice recently that resulted in direct physician reporting of radiation dose following every case. Methods We reviewed cath procedures across three different eras in four cath categories: post‐heart transplant annual cath, unilateral pulmonary artery (PA) stent placement, pre‐Fontan cath, and pre‐Glenn cath. The eras were defined as: Era 1, 1/2009 – 1/2011; Era 2, 1/2011 – 9/2013; and Era 3, 9/2013 – 5/2014. In Era 3, the physician performing the cath was responsible for reporting the radiation data. Results Across the three eras, there were significant decreases in cumulative air KERMA (mGy) among all four cath categories. From Era 2 to Era 3, the greatest decreases in radiation were noted, particularly in dose area product (cGy·cm 2 ) in the transplant annual evaluation and pre‐Glenn cases. In Era 1, 2 cases (1.2%) had a frame rate reduction, while in Era 2, 22 cases (12.0%), and in Era 3, 83 cases (21.6%) had frame rate changes ( P  < 0.01). Conclusions Increased physician awareness of radiation exposure is associated with a significant reduction in radiation dose across a variety of cath procedures. This is seen not only by the overall reduction in radiation across case types, but also as the frame rate was more frequently changed during individual cases, indicating an important change in physician behavior and practice. © 2015 Wiley Periodicals, Inc.

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