Abstract

目的探讨原发免疫性血小板减少症(ITP)患者血栓发生情况及相关危险因素。方法对2005年12月至2017年12月在中国医学科学院血液病医院血栓止血中心住院治疗的3 225例ITP患者进行回顾性分析。结果共46例患者(1.43%)发生血栓事件,中位发病年龄为54(26~83)岁,成人患者中>40岁人群血栓发生率明显高于40岁以下人群[3.37%(40/1 187)对0.58%(6/1 030),P=0.000]。男、女性患者血栓发生率差异无统计学意义[1.53%(20/1309)对1.36%(26/1 916),P=0.187]。动脉血栓的发生率高于静脉血栓[1.12%(36/3 225)对0.22%(7/3 225),P=0.000]。82.61%(38/46例)患者发生血栓时PLT<100×109/L。吸烟、高血压病、糖尿病及脾切除是ITP患者发生血栓的危险因素(P值分别为0.232、0.531);糖皮质激素、TPO治疗患者治疗在有无血栓事件的两组间比较差异无统计学意义(P值分别为0.064、0.075、0.531)。结论对于中国人群,ITP疾病本身可能也是一种可伴发血栓的免疫性疾病,即使血小板水平低下仍可发生血栓事件;且具有明显的年龄分布特点;吸烟史、高血压病、糖尿病史及脾切除是发生血栓的危险因素。

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