The recirculation rate from Camber and Acclivity covers 92 percent while Acclivity (8~12 h) with lower rate of 71.4 percent.

• “下弧型”、“上斜型”抬高早期溶栓再通率高；两型占92.；0%25; “上弧型”再通率低(8-12 h)；占71