新生儿右心室输出测量的观察者间变异性:一项观察性研究
Angela Alfarano1, Roberto Marzollo2, Maria Ilaria Bosio2
1Neonatal Intensive Care Unit, Children's Hospital, ASST Spedali Civili di Brescia, Brescia, Italy. angela.alfarano@asst-spedalicivili.it.
The international journal of cardiovascular imaging
|February 12, 2024
概括
肺峰流 (PF) 测量显示新生儿的观察者间变化很低,与右心室输出 (RVO) 不同. 在新生儿评估中,PF可以作为RVO的可靠替代品.
科学领域:
- 新生儿心脏病学 新生儿心脏病学
- 儿科心脏回声学 儿科心脏回声学
背景情况:
- 新生儿医生进行心声学 (NPE) 对于评估新生儿的全身血流 (SBF) 是至关重要的.
- 右心室输出 (RVO) 准确地估计了SBF,但对新生儿的观察者间变异性数据有限.
- 肺峰流 (PF) 是低SBF的更简单的查工具,没有先前的观察者间变异性研究.
研究的目的:
- 为了确定新生儿心声学中RVO和PF测量的观察者间变异性.
主要方法:
- 一项前性观察性研究,涉及33名在NICU的满期和早产婴儿.
- 两名新生儿科医生进行了盲目的心声图检查.
- 离线分析评估了RVO和PF的观察者间变异性.
主要成果:
- 在RVO测量 (平均差异为22.1mL/kg/min,p=0.005) 中发现了显著的观察者间变异,受肺径的影响.
- 对于PF测量的观察者之间的平均差异在统计学上并不显著.
- 在PF中,观察者之间的差异性很低.
结论:
- 新生儿的RVO测量显示出显著的观察者间变化.
- PF测量显示了观测者之间的最小变化,表明其作为RVO的替代品的潜力.
- 在紧急情况下或心声回声窗口较差的情况下,PF可能对评估新生儿SBF有价值.
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