Survey on antiphospholipid syndrome diagnosis and antithrombotic treatment in patients with ischemic stroke, other brain ischemic injury, or arterial thromboembolism in other sites: communication from ISTH SSC Subcommittee on Lupus Anticoagulant/Antiphospholipid Antibodies

•Diagnosis and antithrombotic treatment of antiphospholipid syndrome–associated acute ischemic stroke are poorly defined.•An international survey to define current practice was performed.•Antiphospholipid antibody testing strategy and antithrombotic treatment lack uniformity.•The survey results could inform a more uniform multidisciplinary consensus approach.