摘要
肝素诱导的血小板减少症（heparin-induced thromboeytopenia，HIT）是指使用肝素或低分子肝素后引起的血小板减少，伴或不伴有血栓形成。典型的表现为血小板计数降至150×10^9／L（国内标准应为100×10^9／L）以下或者比用药前最高数值减少50％以上，后者更有意义。约有20％～50％患者出现血栓的并发症。HIT的发生率各文献报道不一致，主要与使用肝素的剂量、剂型、疗程、给药途径以及血小板减少的数量定义不一致有关。从发生率讲，通常认为，
出处
《中华内科杂志》
CAS
CSCD
北大核心
2009年第4期346-348,共3页
Chinese Journal of Internal Medicine
参考文献18
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