Annabel Blasi1, Joan Beltran, Arturo Pereira. 1. Department of Anesthesia, Institut de Investigacions Biomèdiques, August Pi i Sunyer (IDIBAPS), Hospital Clínic de Barcelona, Barcelona, Spain Department of Hemotherapy-Hemostasis, Institut de Investigacions Biomèdiques, August Pi i Sunyer (IDIBAPS), Hospital Clínic de Barcelona, Barcelona, Spain, ablasi@clinic.ub.es.