Electrical impedance tomography - Ready for routine clinical use for mechanically ventilated patients?

被引:7
|
作者
Hinz, J. [1 ]
Hahn, G. [1 ]
Quintel, M. [1 ]
机构
[1] Univ Gottingen, Zentrum Anaesthesiol Rettungs & Intens Med, D-37099 Gottingen, Germany
来源
ANAESTHESIST | 2008年 / 57卷 / 01期
关键词
electrical impedance tomography; lung failure; monitoring;
D O I
10.1007/s00101-007-1273-y
中图分类号
R614 [麻醉学];
学科分类号
100217 ;
摘要
Electrical impedance tomography (EIT) is a non-invasive, radiation-free functional imaging technique, which offers the possibility of continuous bedside measurement of regional lung ventilation. The principle of EIT is based on the input of alternating current and voltage measurement via surface electrodes placed around the thorax, which measure changes of electrical impedance parallel to changes in aeration within the lungs. This enables the measurement of regional ventilation. Because of the rapid time resolution of this technique, it can be used for the measurement of fast physiological effects. For more than 20 years EIT has been intensively used for research purposes, but has not yet been used for the monitoring of regional lung function in the routine clinical setting. This review describes the status of EIT in the clinical routine, its possibilities and limitations.
引用
收藏
页码:61 / 69
页数:9
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