Principles of electrical impedance tomography and its clinical application

被引：167

作者：

Bodenstein, Marc ^{[1
]}

David, Matthias ^{[1
]}

Markstaller, Klaus ^{[1
]}

机构：

[1] Johannes Gutenberg Univ Mainz, Dept Anesthesiol, Mainz, Germany

来源：

CRITICAL CARE MEDICINE | 2009年 / 37卷 / 02期

关键词：

diagnostic imaging; electrical impedance; tomography; respiratory therapy; acute respiratory distress syndrome; acute lung injury; REGIONAL LUNG VENTILATION; ACUTE RESPIRATORY-FAILURE; END-EXPIRATORY-PRESSURE; FREQUENCY OSCILLATORY VENTILATION; APPLIED POTENTIAL TOMOGRAPHY; CARDIAC-RELATED CHANGES; NEONATAL LUNGS; PULMONARY PERFUSION; MULTIFREQUENCY EIT; FUNCTIONAL EIT;

D O I：

10.1097/CCM.0b013e3181958d2f

中图分类号：

R4 [临床医学];

学科分类号：

1002 ; 100602 ;

摘要：

Objective: This review outlines the basic principle, in addition to validated and upcoming clinical use of electrical impedance tomography (EIT). EIT generates functional tomograms of the thorax for detection of changes in regional lung aeration. These images allow an intraindividual comparison of changes in regional lung function. Specifically, EIT aims to optimize ventilation therapy in patients with acute lung failure. Data Sources. PubMed: National Library of Medicine and the National Institutes of Health. Study Selection: Studies with the key words "electrical impedance tomography" since 1983. Data Extraction: Qualitative and quantitative results of the studies. Data Synthesis: We summarize basic principles of the technique and subsequent analyzing methods, and give an overview of clinical and scientific questions that can be addressed by EIT. Conclusion: Potential applications in the future as well as limitations of EIT technology are described. In summary, EIT is a promising functional tomography technology on the verge of its clinical application. (Crit Care Med 2009; 37:713-724)

引用

页码：713 / 724

页数：12

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