asculitis was deemed responsible for the stroke in 10 patients (13%) and hypercoagulability in 7 (9%). Protein S deficiency was noted in 10/22 (45%) and anticardiolipin antibodies intested patients.

• 10名患者（13%25）发生卒中被认为由血管炎导致，7名患者被认为是血液凝固性过高(9%25)所致。接受检查的患者中10/22（45%25）发现蛋白S缺乏症，9/31(29%25)发现抗心肌磷脂抗体。