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Lancet:早产婴儿操作性疼痛 镇痛慎用吗啡

2019-01-06 王淳 环球医学

2018年12月,英国学者发表在《Lancet》的一项随机、安慰剂对照试验,考察了吗啡在早产婴儿操作性疼痛中的镇痛有效性和安全性(Poppi)。

2018年12月,英国学者发表在《Lancet》的一项随机、安慰剂对照试验,考察了吗啡在早产婴儿操作性疼痛中的镇痛有效性和安全性(Poppi)。

背景:婴儿疼痛有即时性和长期的影响,但由于缺乏循证镇痛药而存在治疗不足。虽然吗啡常用于镇静状态的机械通气婴儿,但其镇痛有效性未知。研究者旨在确定口服吗啡在非机械通气早产婴儿急性操作性疼痛中是否提供有效和安全的镇痛作用。

方法:在这项单中心、设盲试验中,使用具有最小化算法的基于网络的设备,将来自英国牛津约翰?雷德克里夫医院的31名婴儿随机分配到临床需要足跟采血和早产儿视网膜病变筛查检查前1小时,给予100μg/kg口服硫酸吗啡或安慰剂的组中,二者保持时间同步。婴儿的入组标准为,低于孕32周早产或出生体重低于1501g,且开始研究时胎龄为34~42周。首要复合结局测量指标为早产儿视网膜病变筛查后早产婴儿疼痛特征改良量表(PIPP-R),以及足跟采血后伤害诱发的脑活动的程度。次要结局测量指标为生理稳定性和安全性。试验在European Clinical Trials Database注册(编号2014-003237-25)。

结果:2016年10月30日~2017年11月17日,15名婴儿随机分配到吗啡组,16人分配到安慰剂组。安慰剂组的1名婴儿在监测开始前退出研究。本试验越过了预先定义的停止边界,由于提示具有显着的吗啡呼吸道不良反应但无镇痛有效性而停止试验入组。组间首要复合结局测量指标无显着差异。吗啡组和安慰剂组早产儿视网膜病变筛查后的PIPP-R评分分别为平均11.1(SD,3.2)和10.5(3.4)分(平均差,0.5;95% CI,-2.0~3.0;p=0.66)。吗啡组和安慰剂组足跟采血后伤害诱发的脑活动分别为中位0.99(IQR,0.40~1.56)和0.75(0.33~1.22)(中位差异,0.25;95% CI,-0.16~0.80;p=0.25)。

结论:非机械通气的早产婴儿口服吗啡给药(100μg/kg)潜在有害,而无镇痛有效性。研究者不建议进行早产儿视网膜病变筛查前口服吗啡;此外,强烈建议其慎用于非机械通气早产婴儿的其他急性疼痛操作。

原始出处:

Hartley C, Moultrie F, Hoskin A, et al. Analgesic efficacy and safety of morphine in the Procedural Pain in Premature Infants (Poppi) study: randomised placebo-controlled trial. Lancet. 2018 Dec 15;392(10164):2595-2605. doi: 10.1016/S0140-6736(18)31813-0. Epub 2018 Nov 30.

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    2019-05-19 howi
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    2019-01-16 jyzxjiangqin

    早产婴儿操作性疼痛。

    0

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    2019-01-08 showtest
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    2019-01-08 zhaojie88

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