Estimating regions of air trapping from electrical impedance tomography data.
Estimating regions of air trapping from electrical impedance tomography data.
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DOI:
10.1088/1361-6579/aac295
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发表时间:
2018-05-31
影响因子:
3.2
通讯作者:
DeBoer E
中科院分区:
文献类型:
--
作者:
Mueller JL;Muller P;Mellenthin M;Murthy R;Capps M;Alsaker M;Deterding R;Sagel SD;DeBoer E
Electrical impedance tomography (EIT) has been shown as a viable non-invasive, bedside imaging modality to monitor lung function.This paper introduces a method for identifying regions of air trapping from EIT data collected during tidal breathing and breath-holding maneuvers. Ventilation-perfusion index maps are computed from dynamic EIT images. These maps are then used to identify regions of air trapping in the area of the lung as regions that are poorly ventilated but well perfused throughout the breathing and cardiac cycles. These EIT-identified regions are then compared with independently identified regions of low attenuation, or air trapping, on chest CT. Results of this method are demonstrated in two children with cystic fibrosis and on a healthy control subject. In both CF children, the EIT-identified regions of air trapping matched the regions indicated from the chest CT. The EIT-based method is only validated with CT scans within 4 cm of the chest cross-section defined by the electrode plane. The results indicate the potential use of EIT-derived ventilation-perfusion index maps as a non-invasive method for identifying regions of air trapping.
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影响因子:
14.2
作者:
DeBoer, Emily M.;Spielberg, David R.;Brody, Alan S.
通讯作者:
Brody, Alan S.
影响因子:
15.1
作者:
Kneyber, Martin C. J.;van Heerde, Marc;Markhors, Dick G.
通讯作者:
Markhors, Dick G.
影响因子:
1.7
作者:
Lehmann, Sylvia;Tenbrock, Klaus;Leonhardt, Steffen
通讯作者:
Leonhardt, Steffen
DOI:
10.3934/ipi.2014.8.1013
发表时间:
2014-11-01
期刊:
Inverse problems and imaging (Springfield, Mo.)
影响因子:
--
作者:
Dodd M;Mueller JL
通讯作者:
Mueller JL
影响因子:
4.6
作者:
GUARDO, R;BOULAY, C;BERTRAND, M
通讯作者:
BERTRAND, M