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2017 ; 1
(1
): 20
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Can portable tomosynthesis improve the diagnostic value of bedside chest X-ray in
the intensive care unit? A proof of concept study
#MMPMID29708195
Cant J
; Snoeckx A
; Behiels G
; Parizel PM
; Sijbers J
Eur Radiol Exp
2017[]; 1
(1
): 20
PMID29708195
show ga
Portable bedside chest X-ray (CXR) is an important and frequently used tool in
the intensive care unit (ICU). Unfortunately, the diagnostic value of portable
CXR is often low due to technical limitations and suboptimal patient positioning.
Additionally, abnormalities in the chest may be hidden on the projection image by
overlapping anatomy and devices such as endotracheal tubes, lines and catheters.
Digital tomosynthesis (DTS) can solve the problem of anatomical overlap. In DTS,
several low-dose X-ray images from different angles are acquired and subsequently
used by a reconstruction algorithm to compute section images along planes
parallel to the detector. However, a portable device to be used for portable
bedside chest DTS is not on the market yet. In this work, we discuss
modifications to a portable X-ray device to enable portable DTS and illustrate
the potential of portable DTS to improve the diagnostic value of bedside CXR in
the ICU. A simulation, based on computed tomography scans, is presented. Our
experiments comparing portable DTS with conventional bedside CXR showed a
substantially improved detection of pneumothorax and other abnormalities.