Comparison of Radiation Doses for Catheter Ablation Procedures for Atrial Fibrillation with Percutaneous Coronary Intervention Cases

McNeill, K., McErlean, C., Poyser, M., Scott, J., Phillips, K., & Wilson-Stewart, Kelly (2010) Comparison of Radiation Doses for Catheter Ablation Procedures for Atrial Fibrillation with Percutaneous Coronary Intervention Cases. In Cardiac Society of Australia and New Zealand, Annual Scientific Meeting, Adelaide, Australia.

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Catheter ablation procedures for atrial fibrillation (AF) may frequently require long fluoroscopic times. We sought to undertake a review of radiation safety practice in our Cardiac Electrophysiology Laboratory and implement changes to minimize fluoroscopic doses. We also sought to compare the results with radiation doses for percutaneous coronary intervention (PCI) cases performed in our hospital.


Fluoroscopic times and doses for AF ablation procedures performed by a single operator on a Philips Integris H3000 image-intensifier were analysed for 11-month period. Results were compared with all PCI procedures performed over a similar period by multiple operators on a Philips Integris Allura FD system. Comprehensive review of radiation practice in the Electrophysiology laboratory identified the potential to reduce pulse frame rates and doses, and to narrow the field of interest without impacting the performance of the procedure. These changes were implemented and results analysed after a further 11 months.


In the pre-intervention period 50 AF catheter ablations had a mean fluoroscopic time of 86.4 min and mean fluoroscopic dose 68.4 Gy/cm2. Post-intervention 75 procedures had a mean fluorosocopic time of 68.9 min (p < 0.0001) and mean dose of 14.3 Gy/cm2 (p < 0.0001) 128 PCI procedures had a mean combined fluoroscopic and image acquisition time of 10.0 min and mean total dose 38.8 Gy/cm2.


Catheter ablation procedures for AF may require lengthy use of fluoroscopy but simple modifications to radiation practice can result in marked reductions in radiation dose that compare favourably with PCI case doses

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ID Code: 90405
Item Type: Conference Item (Other)
Refereed: Yes
Keywords: Cardiac, Electrophysiology, Percutaneous Coronary Intervention
DOI: 10.1016/j.hlc.2010.06.905
Divisions: Current > Schools > School of Clinical Sciences
Current > QUT Faculties and Divisions > Faculty of Health
Copyright Owner: Copyright © 2010 Elsevier Ltd
Copyright Statement: Published by Elsevier Ltd. on behalf of The Australasian Society of Cardiac and Thoracic Surgeons and The Cardiac Society of Australia and New Zealand
Deposited On: 17 Nov 2015 04:40
Last Modified: 17 Nov 2015 04:40

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