JCLA:乳酸水平是否可以作为早产儿动脉导管未闭的标志?

2019-06-03 不详 网络

血清乳酸水平可提供细胞水平代谢能力的信息。此外,乳酸可反映组织的灌注和氧合状态。本研究的目的是确定高乳酸水平作为血流动力学显著性动脉导管未闭(hsPDA)的标志物的有效性,这可能导致组织灌注缺陷。 本研究纳入胎龄≤32周、出生体重≤1500克的早产儿。在超声心动图评估前48 ~ 72小时测定产后乳酸水平。将符合条件的婴儿分为hsPDA组和无hsPDA组。乳酸截断值为乳酸>4 mmol/

血清乳酸水平可提供细胞水平代谢能力的信息。此外,乳酸可反映组织的灌注和氧合状态。本研究的目的是确定高乳酸水平作为血流动力学显著性动脉导管未闭(hsPDA)的标志物的有效性,这可能导致组织灌注缺陷。

本研究纳入胎龄≤32周、出生体重≤1500克的早产儿。在超声心动图评估前48 ~ 72小时测定产后乳酸水平。将符合条件的婴儿分为hsPDA组和无hsPDA组。乳酸截断值为乳酸>4 mmol/L,确定为高乳酸水平。将婴儿按乳酸水平分为两组,第一组:乳酸水平>4 mmol/L,第二组:乳酸水平≤4 mmol/L。比较血流动力学PDA和乳酸水平。

本研究共纳入119例胎龄≤32周、出生体重≤1500克的患者。超声心动图hsPDA 50例,及无PDA 69例。12(24%)hsPDA患者和22(31.9%)hsPDA患者的乳酸水平为4 mmol/L (P = 0.392)hsPDA的存在与乳酸水平无相关性(P = 0.35)

研究表明,高乳酸水平是多因素的,通常表明组织灌注受损。有许多因素可以导致早产儿组织灌注受损。在本研究中,首次显示乳酸水平没有显著增加血流动力学PDA。这可能是由于存在血流动力学PDA的外周组织灌注没有恶化到足以导致厌氧代谢增加的程度。

原始出处:

Nilüfer Okur,  Cüneyt Tayman, Can lactate levels be used as a marker of patent ductus arteriosus in preterm babies?

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    2019-06-15 sunlong28

    学习了~~~

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    2019-06-03 orangesking

    看看

    0