Eickhoff J H, Wimberley P D
Acta Paediatr Scand. 1982 May;71(3):365-8. doi: 10.1111/j.1651-2227.1982.tb09435.x.
The possible artefacts in transcutaneous oxygen tension (tcPO2) induced by fluctuations in arterial blood pressure were investigated in ten newborn babies. We mounted one tcPO2 electrode on the foot and another on the chest, and the local arterial blood pressure under the foot electrode was reduced 0.6-2.0 kPa (9-15 mmHg) by elevating the foot 11-19 cm above the heart level. In five mature newborns the tcPO2 of the foot decreased significantly (p = 0.015) during elevation by a mean valve of 0.029 kPa (0.22 mmHg) per mmHg decrease in mean arterial blood pressure. In five premature newborns the artefact was insignificant (p = 0.62). We conclude therefore that, in contrast to adults, the artefacts induced by minor fluctuations in arterial blood pressure in newborns are hardly of clinical importance.
在十名新生儿中研究了动脉血压波动引起的经皮氧分压（tcPO2）可能出现的伪像。我们在足部安装了一个tcPO2电极，在胸部安装了另一个电极，并将足部电极下方的局部动脉血压通过将足部抬高至高于心脏水平11 - 19厘米而降低0.6 - 2.0千帕（9 - 15毫米汞柱）。在五名足月儿中，足部tcPO2在抬高过程中显著下降（p = 0.015），平均动脉血压每降低1毫米汞柱，tcPO2平均下降0.029千帕（0.22毫米汞柱）。在五名早产儿中，伪像不显著（p = 0.62）。因此我们得出结论，与成年人不同，新生儿动脉血压的微小波动引起的伪像几乎不具有临床重要性。
