邀请评论: 在幼儿中实现绕道术后血静:以何种代价?
1Division of Cardiovascular Anesthesiology, The Children's Hospital of Philadelphia, Philadelphia, PA, USA.
概括
儿童心脏手术患者经常经历绕道后的出血. 像前列红素复合物缩剂 (PCCs) 这样的救援疗法在标签之外使用,但需要更多的研究来确认它们的安全性和有效性.
科学领域:
- 儿科心脏手术 儿科心脏手术
- 血液学 血液学 血液学
- 关键护理医学 关键护理医学
背景情况:
- 接受心肺旁路术的幼儿经常患有凝血病,导致术后显著的血液损失.
- 绕道术后增加的出血和血液产品输血与儿科患者的不良结果有关.
- 目前的救援疗法,包括前热复合物缩剂 (PCC) 和重组激活因子VII,用于不耐药出血.
研究的目的:
- 审查关于PCCs在接受心脏手术的新生儿和幼儿的安全性和有效性的当前文献.
- 突出现有研究的局限性,这些研究往往是回顾性的,单一的中心,缺乏标准化的协议.
- 强调需要精心设计的多中心随机对照试验,以确定PCC的最佳剂量和风险益处概况.
主要方法:
- 审查现有关于PCC在儿科心脏外科手术中的使用的回顾性和观察性研究.
- 对与PCC相关的血栓事件,特别是第八因子抑制剂绕过活性 (FEIBA) 的担忧的分析.
- 鉴定缺乏有效性测量和剂量定位的验证体内试验.
主要成果:
- 在儿科心脏外科手术中对PCCs的现有研究受到小样本大小,回顾性设计和可变的给药协议的限制.
- 人们对PCC,特别是FEIBA的血栓形成风险存在重大担忧,这些人群已经面临术后血栓栓塞的风险.
- 目前,还没有有效的方法来测量FEIBA在活体中对剂量调整的疗效.
结论:
- 由于目前证据的局限性,PCCs在儿科心脏手术中的有效性和安全性仍然不确定.
- 多中心随机对照试验对于确定PCC在这个人群中的最佳使用和风险-益处至关重要.
- 在获得可靠的数据之前,在决定服用血凝剂时,应仔细权衡出血风险与潜在的血栓性并发症的风险.
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