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首页> 外文会议>Annual International Conference of the IEEE Engineering in Medicine and Biology Society >Empirical Mode Decomposition of Respiratory Inductive Plethysmographic signals for stroke volume variations monitoring: respiratory protocol and comparison with impedance cardiography
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Empirical Mode Decomposition of Respiratory Inductive Plethysmographic signals for stroke volume variations monitoring: respiratory protocol and comparison with impedance cardiography

机译：中风体积变化监测呼吸诱导体积分解信号的经验模式分解：呼吸协议与阻抗心脏造影的比较

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We investigate Respiratory Inductive Plethysmography (RIP) to estimate cardiac activity from thoracic volume variations and study cardio-respiratory interactions. The objective of the present study is to evaluate the ability of RIP to monitor stroke volume (SV) variations, with reference to impedance cardiography (IMP). Five healthy volunteers in seated and supine positions were asked to blow into a manometer in order to induce significant SV decreases. Time-scale analysis was applied on calibrated RIP signals to extract cardiac volume signals. Averaged SV values, in quasistationary states at rest and during the respiratory maneuvers, were then estimated from these cardiac signals and from IMP signals simultaneously acquired. SV variations between rest and maneuvers were finally evaluated for both techniques. We show that SV values as well as SV variations are correlated between RIP and IMP estimations, suggesting that RIP could be used for SV variations monitoring.
机译：我们调查呼吸诱导体积描记术（RIP）以估计胸部体积变化的心脏活性，并研究心脏呼吸相互作用。本研究的目的是参考阻抗心脏造影（IMP）评估RIP以监测行程体积（SV）变化的能力。坐着的五个健康的志愿者被要求吹入压力计以诱导显着的SV减少。在校准的RIP信号上应用时间尺度分析以提取心脏体积信号。然后，在休息状态和呼吸动作期间的额定状态下平均SV值，然后从这些心脏信号和同时获取的IMP信号估计。最终对两种技术进行了休息和机动之间的SV变化。我们表明RIP和IMP估计之间的SV值以及SV变化相关，表明RIP可用于SV变异监视。

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