To help operators acknowledge patient dose during interventional procedures, EURADOS WG-12 focused on measuring patient skin dose using XR-RV3 gafchromic films, thermoluminescent detector (TLD) pellets or 2D TL foils and on investigating possible correlation to the on-line dose indicators such as fluoroscopy time, Kerma-area product (KAP) and cumulative air Kerma at reference point (CK). The study aims at defining non-centre-specific European alert thresholds for skin dose in three interventional procedures: chemoembolization of the liver (CE), neuroembolization (NE) and percutaneous coronary interventions (PCI). Skin dose values of >3 Gy (ICRP threshold for skin injuries) were indeed measured in these procedures confirming the need for dose indicators that correlate with maximum skin dose (MSD). However, although MSD showed fairly good correlation with KAP and CK, several limitations were identified challenging the set-up of non-centre-specific European alert thresholds. This paper presents preliminary results of this wide European measurement campaign and focuses on the main challenges in the definition of European alert thresholds.

Belgian Nuclear Research Centre Boeretang 200 Mol BE 2400 Belgium

Centre Hospitalier Universitaire de Liège Avenue de l'Hôpital Liège 4000 Belgium

Greek Atomic Energy Commission PO Box 60092 Ag Paraskevi Athens 15310 Greece

Institute of Nuclear Physics ul Radzikowskiego 152 Kraków PL 31 342 Poland

Istituto Oncologico Veneto Via Gattamelata 64 Padova 35124 Italy

Istituto Superiore di Sanità Viale Regina Elena 299 Rome 00161 Italy

Laboratoire de Dosimétrie des Rayonnements Ionisants Institut de Radioprotection et de Sûreté Nucléaire BP17 PRP HOM SDE LDRI BP 17 Fontenay aux Roses Cedex 92262 France

National Radiation Protection Institute Bartoškova 28 Prague 4 140 00 Czech Republic

Nofer Institute of Occupational Medicine 8 Sw Teresy Str Łódź 91 348 Poland

Radiation and Nuclear Safety Authority PO Box 14 Helsinki 00881 Finland

Ruđer Bošković Institute Bijenička c 54 Zagreb 10000 Croatia

Udine University Hospital Ple S Maria della Misericordia 15 Udine 33100 Italy

VINCA Institute of Nuclear Sciences PO Box 522 Belgrade 11001 Serbia

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