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首页> 外文期刊>Jornal de Pediatria >Interference of heart and transcutaneous oxygen monitoring in the measurement of bioelectrical impedance analysis in preterm newborns a?? a??a??
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Interference of heart and transcutaneous oxygen monitoring in the measurement of bioelectrical impedance analysis in preterm newborns a?? a??a??

机译：心脏和经皮氧气监测对早产儿生物电阻抗分析测量的干扰一个??一个??

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Objective: To verify if the connection of electrodes for heart and transcutaneous oxygen monitoring interfere with the measurement of electrical bioimpedance in preterm newborns. Methods: This was a prospective, blinded, controlled, cross-sectional, crossover study that assessed and compared paired measures of resistance (R) and reactance (Xc) by BIA, obtained with and without monitoring wires attached to the preterm newborn. The measurements were performed in immediate sequence, after randomization to the presence or absence of electrodes. The sample size calculated was 114 measurements or tests with monitoring wires and 114 without monitoring wires, considering for a difference between the averages of 0.1 ohms, with an alpha error of 10% and beta error of 20%, with significance <0.05. Results: No differences were observed between the R (677.37 ?± 196.07 vs. 677.46 ?± 194.86) and Xc (31.15 ?± 9.36 vs. 31.01 ?± 9.56) values obtained with and without monitoring wires, respectively, with good correlation between them (R: 0.997 and Xc: 0.968). Conclusion: The presence of heart and/or transcutaneous oxygen monitoring wires connected to the preterm newborn did not affect the values of R or Xc measured by BIA, allowing them to be carried out in this population without risks.
机译：目的：验证用于心脏和经皮氧气监测的电极连接是否会干扰早产新生儿电生物阻抗的测量。方法：这是一项前瞻性，双盲，对照，交叉，交叉研究，评估和比较了BIA在有和没有监测早产新生儿的电线的情况下获得的成对电阻（R）和电抗（Xc）的配对量度。在随机分配到电极存在与否后，立即进行测量。考虑到平均值之间的差异为0.1欧姆，α误差为10％，β误差为20％，计算出的样本量是使用监控线进行的114次测量或测试，以及没有监控线的114次进行的测试，显着性<0.05。结果：在有和没有监测导线的情况下，R值（677.37？±196.07与677.46？±194.86）和Xc（31.15？±9.36与31.01？±9.56）之间均未观察到差异，它们之间具有良好的相关性（R：0.997，Xc：0.968）。结论：与早产新生儿连接的心脏和/或经皮氧气监测线的存在不会影响BIA测量的R或Xc值，因此可以在该人群中进行风险监测。

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