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为探讨茶色素对脑梗塞患者凝血功能的影响，给４０例脑梗塞患者口服茶色素，治疗前、后１５～３０ｄ分别作血小板聚集（ＰＡｇＴ）、凝血酶原时间（ＰＴ）、凝血酶时间（ＴＴ）及部分凝血活酶时间（ＡＰＴＴ）检查，并与３０名正常人作对照。结果治疗前患者的ＰＡｇＴ明显高于正常人，ＰＴ较正常人短，用茶色素治疗１５及３０ｄ后，患者的ＰＡｇＴ较治疗前明显降低，ＰＴ较治疗前明显延长。茶色素具有抑制血小板聚集，延长凝血酶原时间的作用，对脑梗塞的疗效肯定
In order to explore the effect of tea pigment on blood coagulation in patients with cerebral infarction, 40 patients with cerebral infarction were treated with oral administration of tea pigment. PAgT, PT and thrombin time (before and after treatment) TT) and partial thromboplastin time (APTT) examination, and 30 normal controls. Results PAgT in patients before treatment was significantly higher than that in normal subjects. PT was shorter than that in normal subjects. After 15 and 30 days of treatment with tea pigment, PAgT in patients was significantly lower than that before treatment, and PT was significantly longer than before treatment. Tea pigments inhibit platelet aggregation, prolong the role of prothrombin time, the efficacy of cerebral infarction certainly