1. Radiation dose in coronary angiography and intervention: initial results from the establishment of a multi-centre diagnostic reference level in Queensland public hospitals.
- Author
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Crowhurst, James A., Whitby, Mark, Thiele, David, Halligan, Toni, Westerink, Adam, Crown, Suzanne, and Milne, Jillian
- Subjects
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RADIATION doses , *DIAGNOSTIC imaging , *PUBLIC hospitals , *CORONARY angiography , *MEDICAL technology - Abstract
Introduction Radiation dose to patients undergoing invasive coronary angiography ( ICA) is relatively high. Guidelines suggest that a local benchmark or diagnostic reference level ( DRL) be established for these procedures. This study sought to create a DRL for ICA procedures in Queensland public hospitals. Methods Data were collected for all Cardiac Catheter Laboratories in Queensland public hospitals. Data were collected for diagnostic coronary angiography ( CA) and single-vessel percutaneous intervention ( PCI) procedures. Dose area product ( PKA), skin surface entrance dose ( KAR), fluoroscopy time ( FT), and patient height and weight were collected for 3 months. The DRL was set from the 75th percentile of the PKA. Results 2590 patients were included in the CA group where the median FT was 3.5 min (inter-quartile range = 2.3-6.1). Median KAR = 581 mGy (374-876). Median PKA = 3908 uGym2 (2489-5865) DRL = 5865 uGym2. 947 patients were included in the PCI group where median FT was 11.2 min (7.7-17.4). Median KAR = 1501 mGy (928-2224). Median PKA = 8736 uGym2 (5449-12,900) DRL = 12,900 uGym2. Conclusion This study established a benchmark for radiation dose for diagnostic and interventional coronary angiography in Queensland public facilities. [ABSTRACT FROM AUTHOR] more...
- Published
- 2014
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