在患有广泛静脉血栓症和复杂并发症的患者中,肝素诱导的血小板缺血
Mohammed A Kassis1, Mustafa H Adleh2, Adel Mahmah2
1Department of Medicine, Ras Al Khaimah (RAK) Medical & Health Sciences University, Ras Al Khaimah, ARE.
Cureus
|November 26, 2025
概括
肝素诱导的血小板缺血 (HIT) 可以伴随出血,掩盖典型的血栓形成. 仔细的重新评估和实验室解释对于在复杂情况下诊断HIT至关重要.
科学领域:
- 血液学 血液学 血液学
- 免疫学 免疫学 免疫学
- 腎臟病學 (nephrology) 是一種醫學專業.
背景情况:
- 肝素诱导的血小板缺血 (HIT) 2型通常会导致血栓形成,但很少出血.
- 流血并发症可以掩盖HIT,使诊断复杂化,特别是在患有慢性病等并发症的患者中.
研究的目的:
- 描述一种主要出血的HIT 2型病例.
- 突出出诊断挑战和管理策略在出血主导的HIT与非免疫和功能障碍.
主要方法:
- 一个69岁的女性患有慢性脏病,腿部胀和疑似HIT的病例报告.
- 使用序列4Ts评分,抗血小板因子4 (PF4) /肝素免疫检测,双重超声波和输血医学咨询.
- 治疗包括血栓切除术,用阿皮克萨班进行谨慎的抗凝治疗,并尽量减少输血.
主要成果:
- 该患者出现了深静脉血栓症 (DVT) 和显著的出血并发症,包括贫血和血液瘤.
- 尽管初始暴露于肝素,但HIT 2型的延迟诊断发生了,并因合免疫而复杂化.
- 阳性抗PF4测试证实了HIT;患者通过适当的抗凝药和支持性护理稳定.
结论:
- 血流主导的HIT,特别是当它因免疫和功能障碍而复杂时,会带来诊断挑战.
- 连续4T重新评估,审慎的实验室解释,早期输血药物参与和适当的抗凝剂选择对于最佳的患者结果至关重要.
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