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以酶联免疫吸附法对８５例脑梗塞患者（＜５０岁３７例，≥５０岁４８例），２１例非缺血性脑血管病患者及１４名正常人的血清抗心肌磷脂抗体（ａＣＬ）进行测定，结果＜５０岁和≥５０岁脑梗塞患者的ａＣＬ阳性率均明显高于对照组（均Ｐ＜０．０５）；而＜５０岁脑梗塞患者的ａＣＬ阳性率明显高于≥５０岁患者（Ｐ＜０．０５）。提示临床上无任何自身免疫疾病的中青年脑梗塞患者与ａＣＬ相关更为密切。
Serum anti-cardiolipin antibodies (aCL) in 85 patients with cerebral infarction (37 in <50 years, 48 in ≥50 years), 21 in patients with non-ischemic cerebrovascular disease and 14 in normal controls were analyzed by enzyme-linked immunosorbent assay The results showed that the positive rate of aCL in patients with cerebral infarction <50 years old and ≥50 years old was significantly higher than that of the control group (all P <0.05), but the positive rate of aCL in patients with cerebral infarction <50 years old was significantly higher than that of> 50 years old Patients (P <0.05). Prompted clinically without any autoimmune disease in young and middle-aged patients with cerebral infarction and aCL more closely.