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首页> 外文期刊>Current opinion in anaesthesiology >Using ventilation-induced plethysmographic variations to optimize patient fluid status.
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Using ventilation-induced plethysmographic variations to optimize patient fluid status.

机译：使用通风引起的体积描记法变化来优化患者体液状态。

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摘要

PURPOSE OF REVIEW: Hypovolemia is one of the most frequent causes of arterial hypotension in the operating room. Pulse oximeter plethysmographic waveform, obtained using a noninvasive and widely available device, has recently shown its potential interest in predicting fluid responsiveness in mechanically ventilated patients under mechanical ventilation. This review highlights new applications of this routine monitoring. RECENT FINDINGS: Respiratory variations in the plethysmographic waveform amplitude have been correlated with respiratory variations in arterial pulse pressure and can predict fluid responsiveness in mechanically ventilated patients under general anesthesia. Until recently, pulse oximeter plethysmographic waveform had to be recorded and analyzed off line using software algorithms. Bringing this new index into the clinical field would require devices allowing for automated and continuous real time calculation. Such devices will have potential to guide fluid optimization in the operating room. SUMMARY: Automatic detection of respiratory variations in pulse oximetry plethysmographic waveform amplitude can predict fluid responsiveness in the operating room in patients under mechanical ventilation and has potential for fluid optimization in this setting.
机译：审查目的：血容量不足是手术室中动脉低血压的最常见原因之一。使用无创且可广泛使用的设备获得的脉搏血氧饱和度描记器波形图最近显示了其在预测机械通气情况下机械通气患者的液体反应性方面的潜在兴趣。这篇综述重点介绍了这种常规监测的新应用。最近的发现：容积描记波形幅度的呼吸变化与动脉脉压的呼吸变化相关，并且可以预测在全身麻醉下机械通气患者的液体反应性。直到最近，必须使用软件算法离线记录脉搏血氧饱和度描记器波形并进行分析。将此新指标引入临床领域将需要允许自动和连续实时计算的设备。这样的设备将有潜力指导手术室中的流体优化。摘要：脉搏血氧饱和度描记法波形幅度的呼吸变化自动检测可以预测机械通气患者手术室中的液体反应性，并且在这种情况下具有优化液体的潜力。

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