Perrino A C, Fleming J, LaMantia K R
Yale University School of Medicine, Department of Anesthesiology, New Haven, Connecticut 06510.
Anesth Analg. 1990 Dec;71(6):651-7. doi: 10.1213/00000539-199012000-00013.
Cardiac output monitoring by transesophageal Doppler ultrasound has not gained wide clinical acceptance. A recently developed transesophageal Doppler device, Accucom 2, features technological advances aimed to reduce the error of this approach to the monitoring of cardiac output. To determine if Accucom 2 enables more accurate cardiac output monitoring, a prospective investigation was undertaken. Analyses of 923 simultaneous measurements of transesophageal Doppler and thermodilution cardiac output in 47 anesthetized patients were compared. Results using Accucom 2 were highly correlated with the results obtained with thermodilution (R = 0.91) and provided significantly greater accuracy in comparison with a previously developed Doppler cardiac output monitor, Accucom 1. Technological advances in transesophageal Doppler ultrasound hold promise for clinically useful noninvasive monitoring of cardiac output.
经食管多普勒超声监测心输出量尚未得到广泛的临床认可。最近开发的一种经食管多普勒设备Accucom 2，具有旨在减少这种心输出量监测方法误差的技术进步。为了确定Accucom 2是否能实现更准确的心输出量监测，进行了一项前瞻性研究。对47例麻醉患者经食管多普勒和热稀释法心输出量的923次同步测量结果进行了分析比较。使用Accucom 2的结果与热稀释法获得的结果高度相关（R = 0.91），并且与先前开发的多普勒心输出量监测仪Accucom 1相比，准确性显著更高。经食管多普勒超声的技术进步有望实现临床上有用的无创心输出量监测。
