Liqun Zhang

Decoding the causes of ischemic stroke despite ongoing oral anticoagulation and their clinical impact: the ASPERA-R study

BACKGROUND: Oral anticoagulants (OACs), including vitamin K antagonists and direct OACs, reduce stroke risk in atrial fibrillation (AF), yet breakthrough ischemic stroke still occurs in 1-2% of patients annually despite adequate therapy. The mechanisms underlying these events rem...