Hepatology:急性肝衰竭导致出血并发症

2021-02-23 MedSci原创 MedSci原创

  尽管有出血倾向,临床上ALF患者显著的出血并不常见。出血并发症是严重系统性炎症的标志,而非凝血功能障碍,预示预后不良

  尽管有出血倾向,临床上ALF患者显著的出血并不常见。出血并发症是严重系统性炎症的标志,而非凝血功能障碍,预示预后不良。

   

  急性肝衰竭(ALF)患者,凝血酶原升高、血小板减少导致患者产生出血倾向。然而,ALF患者出血并发症的发生率、出血点、危险因素和临床意义尚未得到量化。


  本研究纳入1998-2016年在ALF研究小组注册表登记1770例ALF患者。入院后7天收集出血并发症及成分输血。评估出血并发症和21天死亡率间的关系。


  尽管入院时,INR平均为2.7,血小板计算平均为96x10(9) /L,仅仅在187例患者(11%)中观察到出血并发症,包括173例自发性出血和22例术后出血。84%自发性出血来源于上消化道,很少导致输注红细胞。20例患者发生颅内出血,其中一半是自发的,一半是在颅内压力(ICP)监测位置后发生的,分别占据死亡原因的近似20%和50%的比例。


  来自肝外器官系统衰竭而非肝细胞衰竭的接受红细胞输血的病人,病情更为严重。与此一致,出血并发症与血小板计数减少有关,而不是与INR增高有关。任何血液成分的输血与几乎增高2倍的死亡率有关或与在21天需要进行肝移植有关,但出血并发症在约5%的病例中是直接导致死亡的原因。


  尽管有出血倾向,临床上ALF患者显著的出血并不常见。出血并发症是严重系统性炎症的标志,而非凝血功能障碍,预示预后不良



原始出处


Stravitz RT, Ellerbe C, Durkalski V, et al. Bleeding Complications in Acute Liver Failure. Hepatology, 2017, Dec 1. doi: 10.1002/hep.29694

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    2021-10-04 丁鹏鹏
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    2021-02-25 gwc384