Previous stroke/TIA and infarction volume were independently associated with the 90 d clinical outcome of acute PAI.
IV-tPA improved 24 h NIHSS, however, was weakly associated with the 90 d clinical outcome of acute PAI.
Clinical outcome of PAI was specific with infarct locations.
Dual antiplatelet therapy may more effective than mono antiplatelet or anticoagulation therapy in acute PAI.