Am J Respir Crit Care Med:低出生体重新生儿接受新生儿咖啡因治疗能否改善儿童晚期呼吸功能?

2017-12-06 吴星 环球医学

2017年11月,发表在《Am J Respir Crit Care Med》的一项由澳大利亚科学家进行的研究考察了出生时体重在1251g以下的儿童的新生儿咖啡因治疗能否改善11岁时的呼吸功能。

2017年11月,发表在《Am J Respir Crit Care Med》的一项由澳大利亚科学家进行的研究考察了出生时体重在1251g以下的儿童的新生儿咖啡因治疗能否改善11岁时的呼吸功能。

背景:新生儿时期,咖啡因缩短辅助通气的持续时间并降低支气管肺发育不良的发病率,但不清楚其对儿童晚期呼吸功能的影响。

目的:确定与接受安慰剂治疗的儿童相比,接受新生儿咖啡因治疗的出生体重<1251g的儿童11岁时的呼吸功能是否改善。

方法:纳入CAP(咖啡因治疗早产儿呼吸暂停)随机对照试验并在墨尔本皇家妇女医院根据美国胸科学会的标准测量呼气流速的11岁儿童。将数值转换为预测年龄、身高、种族和性别的z评分。父母完成与他们的孩子的呼吸健康相关的调查问卷。

测量指标和主要结果:共测量了142例儿童的呼气流速。咖啡因组的呼气流速更好,大部分变量约为0.5 SD(即,FEV1;平均z评分,-1.00 vs -1.53;平均差异,0.54;95%置信区间[CI],0.14~0.94;P=0.008)。咖啡因组更少的儿童FVC值在5分位下(11% vs 28%;比值比,0.31;95% CI,0.12~0.77;P=0.012)。在校正了支气管肺发育不良时,组间呼气流速的差异消失。

结论:新生儿时期,咖啡因治疗改善童年中期呼气流速,这可能是通过改善新生儿时期呼吸健康实现的。这些患者在成年期进行随访肺功能检测至关重要。未来不太可能进行关于新生儿咖啡因的安慰剂对照随机试验。临床试验在www.clinicaltrials.gov注册(NCT00182312)。

原始出处:
Doyle LW,et al.Neonatal Caffeine Treatment and Respiratory Function at 11 Years in Children under 1,251 g at Birth.Am J Respir Crit Care Med. 2017 Nov 15;196(10):1318-1324.

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