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首页> 外文期刊>Current opinion in anaesthesiology >Cardiac output derived from arterial pressure waveform.
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Cardiac output derived from arterial pressure waveform.

机译：从动脉压力波形得出的心输出量。

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PURPOSE OF REVIEW: Cardiac output (CO) and other flow-based hemodynamic variables have become increasingly important to guide treatment of patients undergoing major surgery with expected fluid shifts in the operating room as well as critically ill ICU patients. Established techniques such as pulmonary artery thermodilution, however, might not be justified in all of these patients. As arterial access is commonly available, less-invasive arterial pressure waveform-based CO devices are becoming more and more popular. RECENT FINDINGS: Many studies dealing with arterial pressure waveform-based CO have emerged in recent years providing additional information with regard to accuracy of the different commercially available devices. Furthermore, methods of comparative CO studies have been recently brought into question. SUMMARY: Although there are differences in invasiveness and the need for external calibration, all available devices provide parameters for enhanced hemodynamic monitoring. Initial validation studies of the more established techniques such as the pulse contour cardiac output (PiCCO) or LiDCO were recently met with less enthusiasm, whereas the initially disappointing validation studies of the FloTrac/Vigileo device had encouraging results after software updates. The pressure recording analytical method (PRAM) technique has not so far been sufficiently evaluated to be able to come to a conclusion. Further investigation is required with regard to the ability of the arterial pressure waveform-based methods to guide goal-directed therapy.
机译：审查的目的：心输出量（CO）和其他基于流量的血流动力学变量已变得越来越重要，对指导接受手术室预期液体移位的重度外科手术患者以及重症ICU患者的治疗具有重要意义。但是，在所有这些患者中，诸如肺动脉热稀释之类的既定技术可能并不合理。由于动脉通路是普遍可用的，基于微创的动脉压波形的CO设备正变得越来越流行。最近的发现：近年来出现了许多有关基于动脉压波形的CO的研究，这些研究提供了有关不同市售设备精度的更多信息。此外，最近对CO比较研究的方法提出了质疑。简介：尽管侵入性和对外部校准的需求存在差异，但是所有可用的设备都提供了用于增强血液动力学监测的参数。最近，人们对较成熟的技术（例如脉搏轮廓心输出量（PiCCO）或LiDCO）进行了初步的验证研究，但热情较低，而FloTrac / Vigileo设备的最初令人失望的验证研究在软件更新后获得了令人鼓舞的结果。到目前为止，尚未对压力记录分析方法（PRAM）技术进行足够的评估以得出结论。关于基于动脉压波形的方法指导目标定向治疗的能力，需要进一步研究。

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