Ischaemic stroke (IS) is a complex disease that involves genetic and environmental factors. The role of factor XI (FXI) in arterial thrombosis is unclear. We have investigated the risk of IS related to FXI levels in a case-control study.
Thrombosis and Hemostasis Unit, Department of Hematology, Universitat Autónoma de Barcelona, Hospital de Santa Creu i Sant Pau, Barcelona, Spain. msantamaria@hsp.santpau.es