Accuracy of skin dose mapping in interventional cardiology: Comparison of 10 software products following a common protocol |
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| Institution: | 1. Belgian Nuclear Research Centre (SCK CEN), Boeretang 200, 2400 Mol, Belgium;2. Commissariat à l''Energie Atomique (CEA), CEA-Saclay, 91191 Gif-sur-Yvette, France;3. University of Belgrade, Vinca Institute of Nuclear Sciences and School of Electrical Engineering (VINCA), M .P. Alasa 12-14, 11351 Vinca, Serbia;4. University Hospital of Geneva (HUG), Rue Gabrielle Perret Gentil 4, 1205 Geneva, Switzerland;5. University Hospital of Lausanne (CHUV), Rue du Grand Pré 1, 1007 Lausanne, Switzerland;6. Veneto Institute of Oncology IOV – IRCCS (IOV), Via Gattamelata 64, 35128 Padua, Italy;7. Department of Radiology, Bicêtre University Hospital, 94270 Le Kremlin-Bicêtre, France;8. University Hospital Limerick (UHL), St. Nessan''s Road, Dooradoyle, V94135 Limerick, Ireland;9. Ru?er Bo?kovi? Institute (RBI), Bijenicka 54, 10000 Zagreb, Croatia;10. Centre d''Assurance de qualité des Applications Technologiques dans le domaine de la Santé (CAATS), 119-121 Grande Rue, 92310 Sèvres, France;11. Greek Atomic Energy Commission (EEAE), P. Grigoriou & Neapoleos, 15341 Athens, Greece;1. Medical Physics, Azienda Ospedaliera Brotzu Cagliari, Italy;2. Interventional Cardiology, Azienda Ospedaliera Brotzu Cagliari, Italy;1. Medical Physics Department, University Hospital “Maggiore della Carità”, Novara, Italy;2. Radiology Department, University Hospital “Maggiore della Carità”, Novara, Italy;1. Department of Radiology, Toranomon Hospital, 2-2-2 Toranomon, Minato-ku, Tokyo 105-8470, Japan;2. Department of Radiological Technology, Tohoku University Graduate School of Medicine, 2-1 Seiryo, Aoba-ku, Sendai, Miyagi 980-8575, Japan;3. Okinaka Memorial Institute for Medical Research, 2-2-2 Toranomon, Minato-ku, Tokyo 105-8470, Japan;4. Department of Radiological Health Science, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Japan, 1-1, Iseigaoka, Yahatanishi-ku, Kitakyushu, Fukuoka 807-8555, Japan;5. Department of Endovascular Neurosurgery, Toranomon Hospital, 2-2-2 Toranomon, Minato-ku, Tokyo 105-8470, Japan;1. Medical Physics Department, La Paz University Hospital, Paseo de la Castellana 261, 28046 Madrid, Spain;2. Vascular and Interventional Radiology Department, La Paz University Hospital, Paseo de la Castellana 261, 28046 Madrid, Spain;3. Radiology Department, Complutense University, Plaza de Ramón y Cajal, 28040 Madrid, Spain;1. Institute of Diagnostic and Interventional Radiology, Hannover Medical School, Germany;2. Center for Radiology and Nuclear Medicine, DIAKOVERE gmbh, Germany;3. Department of Neurosurgery, Duke University Hospital, Durham, NC, USA |
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| Abstract: | PurposeOnline and offline software products can estimate the maximum skin dose (MSD) delivered to the patient during interventional cardiology procedures. The capabilities and accuracy of several skin dose mapping (SDM) software products were assessed on X-ray systems from the main manufacturers following a common protocol.MethodsSkin dose was measured on four X-ray systems following a protocol composed of nine fundamental irradiation set-ups and three set-ups simulating short, clinical procedures. Dosimeters/multimeters with semiconductor-based detectors, radiochromic films and thermoluminescent dosimeters were used. Results were compared with up to eight of 10 SDM products, depending on their compatibility.ResultsThe MSD estimates generally agreed with the measurements within ± 40% for fundamental irradiation set-ups and simulated procedures. Only three SDM products provided estimates within ± 40% for all tested configurations on at least one compatible X-ray system. No SDM product provided estimates within ± 40% for all combinations of configurations and compatible systems. The accuracy of the MSD estimate for lateral irradiations was variable and could be poor (up to 66% underestimation). Most SDM products produced maps which qualitatively represented the dimensions, the shape and the relative position of the MSD region. Some products, however, missed the MSD region when situated at the intersection of multiple fields, which is of radiation protection concern.ConclusionsIt is very challenging to establish a common protocol for quality control (QC) and acceptance testing because not all information necessary for accurate MSD calculation is available or standardised in the radiation dose structured reports (RDSRs). |
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| Keywords: | Interventional cardiology Skin dose Skin dose mapping Quality control protocol |
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