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Radiation Protection Dosimetry Advance Access originally published online on June 15, 2007
Radiation Protection Dosimetry 2008 128(1):72-76; doi:10.1093/rpd/ncm230
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© The Author 2007. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

The effect of fellows' training in invasive cardiology on radiological exposure of patients

Guglielmo Bernardi1,*, Renato Padovani2, Annalisa Trianni2, Giorgio Morocutti1, Leonardo Spedicato1, Davide Zanuttini1, Marika Werren3 and Louis K. Wagner4

1 SOC di Cardiologia, Azienda Ospedaliero-Universitaria S. Maria della Misericordia, Udine, Italy
2 SOC di Fisica Sanitaria, Azienda Ospedaliero-Universitaria S. Maria della Misericordia, Udine, Italy
3 SOC di Cardiologia, Ospedale Sant'Antonio Abate, Via Morgani 18, Tolmezzo (UD), Italy
4 Department of Diagnostic and Interventional Imaging, The University of Texas Medical School at Houston, 6431 Fannin St, Houston, Texas, USA

* Corresponding author: bernardi.guglielmo{at}aoud.sanita.fvg.it

Received January 19, 2007, amended March 22, 2007, accepted March 25, 2007

The aim of this work was to evaluate and quantify the impact of an invasive training of cardiology fellows on some exposure parameters. From 1 January 2000 to 31 December 2002, three staff members performed 2.582 diagnostic procedures (Group 1) that were compared with 819 performed by, or with the participation of five cardiology fellows (Group 2). Exposure parameters were as follows (Group 1/Group 2): fluoroscopy time 3.8 ± 4.5/5.5 ± 5.9 min (+38%), mean number of frames 589 ± 282/642 ± 260 (+9%), Kerma-area product (KAP) during fluoroscopy 10.6 ± 14/15.5 ± 16 Gycm2 (+45%), KAP during cine-angiography 20.8 ± 14/22.5 ± 12 (+8%), total KAP 31.5 ± 28/38.1 ± 28 (+21%). Differences were all significant (P ≤ 0.001 for all comparisons). For individual fellows, a trend towards reduction of exposure parameters was seen over time, but only KAPcine was significant (25.7 ± 14/22.2 ± 11 Gycm2, P ≤ 0.001). In conclusion, all parameters measured in this study increased significantly in diagnostic procedures performed with fellows when compared with staff members alone, fluoroscopy time and the related KAP in particular. Careful supervision limited these increases so that exposures remained within acceptable limits.


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 Radiat Prot DosimetryHome page
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[Abstract] [Full Text] [PDF]


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