PO40 | Management of paediatric patients affected by mild factor VII deficiency undergoing surgery: B. Borsellino1,2, B. Pollio1, I. Ricca1, R. Albiani1, T. Martini1 | 1Haemophilia Centre, Immune-Haematology and Transfusion Medicine, University Hospital “Città della Salute e della Scienza”, Turin; 2Department of Biomedicine and Prevention, PhD in Immunology, Molecular Medicine and Applied Biotechnology, University of Roma Tor Vergata, Roma, Italy. Bleeding Thromb Vascul Biol. 2025;4(s1). doi:10.4081/btvb.2025.303