Luongo M. CO-79 | ACQUIRED FACTOR XIII DEFICIENCY: AN UNDERDIAGNOSED CAUSE OF DELAYED BLEEDING AFTER PERICARDIOCENTESIS: M. Luongo1, J. Di Paolo1, G. D’Amico2, P. Massaro1, M. Di Mascio1, R. Malizia1, U. Benedetto2, S. Verna1 | 1Immunohematology Service, Asl 02 Abruzzo, Chieti, Italy; 2 Department of Cardiac Surgery, Asl 02 Abruzzo, Chieti, Italy. Bleeding Thromb Vasc Biol [Internet]. 2026 Oct. 14 [cited 2026 Oct. 16];5(s2). Available from: https://www.btvb.org/btvb/article/view/689