Continuous cardiac output and left atrial pressure monitoring by pulmonary artery pressure waveform analysis.
Continuous cardiac output and left atrial pressure monitoring by pulmonary artery pressure waveform analysis.
复制标题
通过肺动脉压力波形分析进行连续心输出量和左心房压力监测。
DOI:
10.1109/iembs.2006.260488
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发表时间:
2006
期刊:
影响因子:
--
通讯作者:
Mukkamala,Ramakrishna
中科院分区:
文献类型:
--
作者:
Lu,Zhenwei;Mukkamala,Ramakrishna
We introduce a novel technique for continuous (i.e., automatic) monitoring of cardiac output (CO) and left atrial pressure (LAP) by mathematical analysis of a pulmonary artery pressure (PAP) waveform. To obtain an initial evaluation of the technique, we applied it to PAP waveforms obtained from nine critically ill patients and compared the resulting CO and LAP estimates with standard operator- dependent thermodilution and pulmonary capillary wedge pressure measurements, respectively. We report that the technique achieved an overall CO error of 17.2% and an overall LAP error of 15.8%. With further testing, the technique may ultimately be employed so as to permit, for the first time, continuous CO and LAP monitoring in critically ill patients
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