LANCET:早期凝血治疗对产后出血妇女的死亡率,子宫切除术和其它疾病的影响

2017-05-26 MedSci MedSci原创

产后出血是全世界孕产妇死亡的主要原因。早期给予凝血酸可以减少创伤患者出血引起的死亡。本研究的目的是评估早期服用氨甲环酸对产后出血妇女死亡,子宫切除术和其它相关结局的影响。

产后出血通常定义为在分娩24小时内失血量超过500毫升,它是全世界孕产妇死亡的主要原因,每年造成约10万例死亡。而且此类事件大多发生在低收入和中等收入国家。近日,国际杂志LANCET上在线发表一项关于早期凝血酸治疗对产后出血妇女的死亡率,子宫切除术和其它疾病的影响。

产后出血是全世界孕产妇死亡的主要原因。早期给予凝血酸可以减少创伤患者出血引起的死亡。本研究的目的是评估早期服用氨甲环酸对产后出血妇女死亡,子宫切除术和其它相关结局的影响。

在这项随机,双盲,安慰剂对照试验中,研究人员招募了来自21个国家的193家医院的临床诊断为产后出血经过阴道分娩或剖宫产的16岁以上的妇女。除了常规护理,随机分配她们接受1g静脉注射氨甲环酸或对应的的安慰剂。如果30分钟后继续出血,或在第一次给药的24小时内又开始出血,可以给予第二剂1g的氨甲环酸或安慰剂。患者通过从包含八个编号的包装箱的盒子中选择一个编号来进行分配。参与者,护理人员和评估结果的人员进行盲法分配。本试验已在ISRCTN769121902008128日)注册; ClinicalTrials.gov,编号NCT00872469 ; PACTR201007000192283

20103月至20164月,共有20 060名妇女入选并随机分配接受氨甲环酸(n = 10 051)或安慰剂(n = 10 009),其中10 036例和9985例分别纳入分析。接受氨甲环酸的妇女由于出血导致死亡数显著低于安慰剂组(155 [1.5%] of 10036 patients vs 191 [1.9%] of 9985),风险比[RR] 0.8195 CI 0.65-1.00; p = 0.045),特别是在在分娩3个小时内给予氨甲环酸治疗组和安慰剂组相比(RR 0.69,95CI 0.52-0.91; p = 0.008)。所有其它死亡原因并无显著差异。子宫切除术与安慰剂组相比,静脉注射(358 [3.6]]患者和安慰剂组中的351[3·5]RR 1.0295 CI 0.88-1.07p = 0.84)。安慰剂组,静脉注射氨基酸组(534[5.3]死亡或子宫切除术)与 546[5.5] 组相比,所有原因或子宫切除术的主要终点未降低,RR 0.9795CI 0.87-1.09; p = 0.65)。凝血酸与安慰剂组不良事件(包括血栓栓塞事件)无显著性差异。

研究表明,氨甲环酸可以减少产后出血妇女的出血死亡,且无不良反应。用作产后出血治疗时,出血发作后应尽快给予氨甲环酸。

原始出处:

Haleema Shakur, Ian Roberts, Bukola Fawole, et.al. Effect of early tranexamic acid administration on mortality, hysterectomy, and other morbidities in women with post-partum haemorrhage (WOMAN): an international, randomised, double-blind, placebo-controlled trial.

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    2018-04-13 howi
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    2017-05-28 gous

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