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在因子VII缺乏症 (FVIID) 中,手术出血的风险取决于FVII:C水平和出血分数. 轻度FVIID患者的出血分数较高,没有预防,面临手术出血风险增加.

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科学领域:

  • 血液学 血液学 血液学
  • 手术管理的手术管理.
  • 血液流动障碍 血液流动障碍

背景情况:

  • 遗传性第七因子缺乏症 (FVIID) 呈现出可变的出血表型.
  • 在FVII:C水平和出血严重程度之间存在较弱的相关性,这使得管理变得复杂.
  • 在FVIID中进行手术决策需要明确预测出血结果.

研究的目的:

  • 描述FVIID患者的手术管理和出血结果.
  • 确定FVIID手术管理的关键决策变量.
  • 在FVIID中确定手术出血的预测因素.

主要方法:

  • 在215名FVIID患者中进行了380次手术的多中心,回顾性研究.
  • 根据FVII:C水平 (轻度,中度,严重) 和根据出血风险 (LR,HR) 的手术对患者的分类.
  • 由ISTH-BAT定义的出血得分 (BS);执行决策树模拟.

主要成果:

  • 大多数患者有轻度的FVIID (76%);69%的手术是低风险的 (LR).
  • 预防 (TA和/或rFVIIa) 在43.9%的LR和61%的HR手术中使用.
  • 整体出血率为3.1% (HR 6.8%,LR 1.5%),大多数事件发生在轻度FVIID患者中,BS≥3没有预防或仅用TA治疗.

结论:

  • FVII:C水平和手术类型指导预防性静血治疗.
  • 轻度FVIID患者具有较高的BS,并且没有静血治疗,有增加的出血风险.
  • 流血分数和手术风险预测了FVIID中的手术出血.